Home

D4.2.2

1. height P neigng 5 P esca Pen Pressure2 P mount e Influence dependency properties Sketch SketchGuantity Amount2 SketchGuantity Flow Remarks Figure 9 The Causal Model editor 4 4 2 Add a new quantity e Press the button Add quantity to add a new quantity to the Causal Model Editor as shown in figure 9 23 33 Project No 004074 NATURNET REDIME D4 2 2 The Add a new sketch Quantity screen will appear that prompts for a name of this quantity Enter a name for the new quantity Add remarks if desired Press the button Apply changes to finish the quantity and save it to the Causal Model Editor The quantity is added to the Causal Model Editor Modify a quantity Select the quantity to modify by clicking once on the icon in the editor with the mouse Select the Properties option in the Edit menu or double click on the icon The Sketch Quantity properties screen appears Edit the name of the quantity Also edit the remarks if desired Press the button Apply changes to finish the modification of the quantity and save it to the Causal Model Editor Delete a quantity Select the quantity to delete by clicking on it once in the editor Press the Delete button on the left or the Del key on your keyboard to delete the quantity The quantity is now deleted from the Causal Model Add a new Causal
2. 2 Aad Modul v SCORATIO de UON ose esee o booa edu v pe t bes tse np 26 LE MCLEE SCCNATIO TETUER 26 4 8 STATE TRANSITION GRAPELE DITOR ee oU 28 46 1 Working with State Transition E pA ees 26 UO e ctu oct codicc dpud ME DUE UE 29 40 Add delete and modify details of a State tetas rnt ttum eva ded EA EA e SOUS USERS UNE UR 29 ror MM 30 402 DIGI a tet teme m a 30 BOO E toI TD bec eed idest Be Cv E Ra ds adt 30 4 8 7 Adda new Transition between States e ote us Eo Rt oet Tecos nc ea ot 30 LSS Mody GTTGNSIION Detween uicti ettet pee e ib Rc eR eve ta i nsu ted euet beso 31 BOO Delete a dransitionm DetWweeniSiatex see eem e aveo oo AA 31 4 8 10 Eror QUE Warn ne MESSO ES eed servie a tie paced xil lia aac t heed 31 4 6 11 Keyboard MOUSE 31 32 REFERENCES T adasia 33 4 33 Project No 004074 NATURNET REDIME D4 2 2 1 INTRODUCTION This deliverable is an extension of the D4 2 1 User Manual for Single User Version of Qualitative Reasoning QR Workbench 1 It describes the additions to the QR Workbench to allow collaborative work There are three important additions OWL import and export and model repository support multiple model support and
3. e Select the concept that you want to modify e Select the Properties option in the Edit menu or double click on the icon of the selected concept The Concept properties screen will open 18 33 Project No 004074 NATURNET REDIME D4 2 2 e Edit the name of the concept if desired e Also edit the remarks if desired e Press the button Apply changes to finish a modification of the concept and save it to the Concept Map Editor 4 2 4 Delete a Concept e Select the concept that you want to delete e Press the Delete button on the left or the Del key on your keyboard to delete the concept The concept is now deleted from the Concept Map Editor 4 2 5 Add a new Relation between Concepts e Select two concepts between which you want to define a relation e Press the Add Relation button The Add a new relation screen appears in which you can define the relation between the two concepts Fill in the name of the new Add remarks if desired To change the direction of the relation press the Switch arguments button To complete adding a new relation press the Apply Changes button The relation will appear in the Concept Map Editor Note It is possible to define multiple relations between two concepts 4 2 6 Modify a relation between concepts e Select the relation you want to modify e Press Enter on the keyboard or double click on the relation The Relation propertie
4. Project no Project acronym Project title Instrument Thematic Priority 004074 NATURNET REDIME New Education and Decision Support Model for Active Behaviour in Sustainable Development Based on Innovative Web Services and Qualitative Reasoning SPECIFIC TARGETED RESEARCH PROJECT SUSTDEV 2004 3 VIII 2 e D4 2 2 User Manual for Collaborative QR model building and simulation workbench Due date of deliverable 01 09 2006 Actual submission date 12 09 2006 Start date of project 1 March 2005 Duration 30 months Organisation name of lead contractor for this deliverable UvA Revision Final Project co funded by the European Commission within the Sixth Framework Programme 2002 2006 Dissemination Level PU Public X PP Restricted to other programme participants including the Commission RE Restricted to a group specified by the consortium including the Commission CO Confidential only for members of the consortium including the Commission Services Authors Elinor Bakker Anders Bouwer Jochem Liem Bert Bredeweg Project No 004074 NATURNET REDIME D4 2 2 Abstract This document is a user manual giving a task oriented description of the new functionality implemented in the collaborative version of the Garp3 model building and simulation workbench based on Qualitative Reasoning This new functionality consists of the following main features 1 OWL import an
5. 4 4 CAUSAL MODEL EDITOR E EE EE 23 Project No 004074 NATURNET REDIME D4 2 2 dodo lt WOPKING WIN Causa MICO Sasi 2 qus Adla New cem en mtis teda Dd 23 AAS ete oed ed ea d MI M E M MM E 24 Zo acest e eeu amu UNE que eos EM dutem cie t ees 24 duo Dependency uud cane uidet S E ERI OUR Mis Un eU chus us te 24 AAO ModdfyvaCadusal Dependentytscsaneesnm AIS 24 AAD Delete Cansa Den nde V aciei nae o PI dut ted ac ben b UN A a Ute MEE S 24 4 5 PROCESS 23 dod Working wHl Process adeste aieo ee bete maestra ia bett o 4 2 2 Adda NOW e ir oe tea poe oot lu ioa suum Ll cocci desde ud ter nq 23 ZO Modi del OT 26 dO FOCONS de 26 4 6 ACTIONS AND EXTERNAL INEEUENGES UE IM UE 26 46 1 Working with Action External Influence definitions esses eene nnns 26 4 6 2 Adda new Action External Influence definition esses eene nnns 26 4 6 3 Modify an Action External Influence definition 26 4 6 4 Delete an Action External Influence definition 27 4 7 SCBNABIO IEE S ia 27 4 7 1 Working with Scenario 2 do JAdddbWewScenurio denitof odes iubet iste
6. Entity ls 15 a Substance Physical object is Assume leakage i Oil Contains z 15 a Fill agent For lsa 9 Right container To p RE Sketch Object properties Sketch Pipe Part of IRi i an o Name Right container Left outlet Type Partof C Undefined Entity C Agent Located al Connected to C Assumption Remarks Input terminal E Bottom left Figure 8 The Structural Model editor 4 3 2 Add a new Undefined Concept Entity Agent or Assumption To add a new structure object press one of the four buttons on the left see figure 8 The top button will add an undefined object The second button will add an entity The third button will add an agent The last button will add an assumption A screen will open prompting you to supply a name for your new structure object In this screen you can still change the kind of structure object that you want to create Type a name for the new structure object Change if desired the type of structure object Add remarks if desired Press Apply Changes to definitely add your new structure object The structure object will appear in the Structure Editor 4 3 3 4 3 4 Modify an Undefined Concept Entity Agent or Assumption Select the structure object modify Press the key on your keyboard or double click with your mouse on the selected structure object The Sketch Object properties screen will appe
7. Press the Delete button on the keyboard or select the Delete option in the Edit menu The state will be removed from the State Graph Editor 4 8 7 Add a new Transition between States When at least two states are created it is possible to define a transition between them e Select the two states between which you want to define a transition e Press the button Add transition The Add a new transition screen will appear which will prompt you only about the direction of the transition 30 33 Project No 004074 NATURNET REDIME D4 2 2 e Press the Switch arguments button to change the direction of the transition e Press the Save Changes button to create the transition The transition will be represented in the State Graph Editor by a black directed arrow 4 8 8 Modify a Transition between States Transitions are represented by black directed arrows between states e Select the transition to modify by clicking on the arrow that represents the intended transition e Press the Enter key on the keyboard or double click on the selected transition The transition properties screen will appear which enables you to change the direction of the transition e Press the Switch arguments button to change the direction of the transition e Press the Save Changes button to create the transition 4 8 9 Delete a Transition between States e Select the transition to delete by clicking on the
8. characters and no numbers o Change the name and try again 4 2 9 Keyboard and Mouse shortcuts Del Delete a selected concept or relation Enter Properties of a selected concept or relation Ctrl S Save model to disk Ctrl C Add concept Ctrl Add relation 4 3 Structure Editor Structural models describe the structure of a system in terms of entities agents and assumptions It is also possible to define other structure elements if needed in the Structural Model Editor Between structural objects there are structural relations like contains 1 and part of which define how the structure objects are related 4 3 1 Working with Structural Models The Structure Editor looks and feels similar to the Concept Map editor But it focuses on a lower level of detail and thus includes more structure object classes which correspond to structure elements of the real qualitative modelling task There are four classes of structure objects 1 The undefined concept which can be assigned to one of the other types later 2 The entity which represents an element of the system you want to model 3 The agent which represents an external element which influences the system that you want to model 4 The assumption which represents an assumption about the system that you are modelling 20 33 Project No 004074 NATURNET REDIME D4 2 2 Edit A e Structure Editor Sketch mE E Elements
9. loading OWL files When exporting a model file to an OWL file the OWL file will be saved to disk while the model file stays open in Garp3 so you can continue editing the model When importing an OWL file in Garp3 it is automatically converted to a model file which can be edited and inspected which is called New model changed To keep the imported model it should be saved to disk 2 1 2 Export a model as an OWL file e Open model that you wish to save as an OWL file e Press the save current model to new file button the Garp3 main menu The screen save this model will open which prompts for a file name for your file Select the Save as Type field Use the pull down menu to select the owl option Change the directory to where you want to place the owl file if desired Change the file name to the name you wish including the extension which you need to change to owl e Press the Save button to export the model file to an OWL file A screen appears Please wait exporting to OWL and will disappear in a couple of seconds dependent on the complexity of your model and the speed of your computer The model is now saved as an owl file in the directory that you specified Note The model that you were working on has not changed a copy of that model is saved in OWL format to your hard disk 6 33 Project No 004074 NATURNET REDIME D4 2 2 X 1 a gt Empty model Sex Select Garp3
10. model E ajx Look in 73 OWL Models HE E mltR sEarEcalagicalPodellingJunez e owl RstarEcologicalModellingMay2006 owl Mu Computer File name RstarE cologicalM odelling une2006 Mare Files of type ew Flaces Open as read only E Figure 1 Importing an OWL file into Garp3 2 1 3 Import an OWL file containing a model into Garp3 2 2 Press the Open model from button in the Garp3 main menu The screen Select a Garp3 model will open which allows you to select a file as shown in figure 1 Change the directory to the directory which contains the OWL file that you want to import Select the Files of Type field Use the pull down menu to select the owl option Select the file you wish to import Press the Open button to import the model file to a normal Garp3 model file hpg A screen appears Please wait importing OWL and will disappear in a couple of seconds dependent on the complexity of the model and the speed of your computer The file is now loaded into Garp3 Note The Garp3 screen name for the loaded model is New model changed you have to save the model first with save current model to new file in the Garp3 main menu to give it another name Model repository The model repository is a place on the web where qualitative models can be uploaded and downloaded It also supplies functionality
11. of Garp3 With a maximum of four several models can be open at the same time and each opened model has its own tab on which its name is displayed You can switch between the models by clicking on the tabs ff TwoTankProcess s02 JL hgp 3 0 4 3 Abaut Figure 6 Multiple models in Garp3 3 1 1 Working with multiple models When a model is already open in Garp3 it is possible to load another model next to it by loading the model The model appears on a new tab in Garp3 as shown in figure 5 When clicking on the tab the newly loaded model becomes active and by switching between tabs you also switch between models To close a model tab the blue close model button in the upper right of the screen can be used 3 1 2 Switching screens With multiple models open at the same time it may occur that you open editors from both models which create separate screens next to the Garp3 main screen The focus on the models switches with the focus on the editors This means that when you click on an editor screen to make it active the corresponding model becomes active in the Garp3 screen although you did not make an active switch between tabs 12 33 Project No 004074 NATURNET REDIME D4 2 2 3 2 Model merging The multiple model support in the collaborative version of the Garp3 workbench allows merging of models by copying parts of one model to the other It is possible to copy parts of hierarchies and definitions of entities ag
12. 271 Working With Concept 18 BD Adda new CONCEP senderos ettet audes Lost 18 4 9 Moal ya d qutt 18 ADE 0 19 ADS Add anew Relation between ONCEDIS 19 42 00 Modify a Pelarion between CONC EDIS dodici sie OR ER a apad et a ta RES 19 ALT J Deletearelaion between COlCODls s soe i al e e o DA poa esie ke OR v RS esa i REM 19 do vLrrordchdWarningdMessadeesraussstuentdessesdtuxddissueiutedet 19 BDO JKeovyboard Mouse SHOTICUUS eedem t sioe o ran er xe ea veste 20 4 3 STRUCTURE EDITOR opidi pent N tmi Me te iue etu 20 UO Ss 20 4 3 2 Adda new Undefined Concept Entity Agent or 5 eene nnns 21 4 3 3 Modify an Undefined Concept Entity Agent or Assumption eene eene 21 4 3 4 Delete an Undefined Concept Entity Agent or Assumption eene eene nnns 21 4 3 5 Adda new Structural Relation between Structure eene eee 22 4 3 6 Modify a Structural Relation between Structure Objects eene eene nnns 22 4 3 7 Delete a Structural Relation between Structure Objects esses eene eene eee 22 Zoo IJrrordhd Wasing a ta PM 22 and MIOUSC SHOTICULS d enon e a 22
13. Dependency Select two quantities between which you want to define a causal dependency Press one of the causal dependency buttons positive influence negative influence positive proportionality or negative proportionality A screen appears in which you can define the causal dependency between the two quantities Add remarks if desired To change the direction of the structural relation press the Switch arguments button To choose between the different causal dependencies click the appropriate radio button To complete adding a new causal dependency press the Apply Changes button The causal dependency will appear in the Causal Model Editor Note It is possible to define multiple causal dependencies between two quantities 4 4 6 Modify a Causal Dependency Select the causal dependency to modify Press the Enter key on the keyboard or use the Properties function in the pull down menu The Causal dependency properties screen appears in which it is possible to edit the causal dependency Change the type of the causal dependency Also change the direction of the causal dependency by pressing the Switch Arguments button To complete modifying the causal dependency press the Apply Changes button Delete a Causal Dependency Select the causal dependency to delete Press the Delete button on the right or use the Delete function in the Edit menu The causal dependency will be deleted from t
14. ME D4 2 2 Entities Which entities are involved in the scenario and how do they relate to each other Agents if any Which agents are involved in the scenario and how do they relate to the entities and their connected quantities involved in the scenario Quantities What quantities are attached to the entities Initial values amp inequality statements Whatare the initial values of the quantities involved in the scenario and are there any inequality statements between quantities or quantity values Assumptions e Which assumptions hold in the scenario and why 4 7 3 Modify Scenario definition e Select from the list the scenario definition to modify The data for the selected process will be filled in the tabs e Edit the selected scenario definition like when adding a new scenario definition see 4 7 2 4 7 4 Delete Scenario definition e Select from the list the scenario definition to delete from the editor e Press the button Delete selected scenario definition The scenario definition will be deleted from the editor 4 8 State transition graph editor When running simulations with the Garp3 workbench behaviour is represented by a connected state graph This graph consists of states which describe a specific state of the system and connections between states which describe transitions from one state to another The State Transition Graph Editor serves to make preliminary predictions about the behaviour
15. To modify an existing inequality statement select the field quantity inequality operator or value to edit e Change the inequality type if desired gt gt lt lt e Press the Save Changes button when you are ready or want to modify another inequality statement 4 8 4 Copy a State To create transitions between states it is easier to create a copy of the source state to create the target state In this way all the quantities and values of the source state are already included in the target state e Select the state to copy e Press the Copy state button on the right A screen appears in which it is possible to edit the copied state The state ID is automatically set This name can be changed but the same name cannot be used more than once e Modify the state details in such a way as necessary e Press the Save Changes button when you are ready The copied state will appear in the State Graph Editor 4 8 5 Modify a State e Select in the State Graph Editor the state to modify e Press the Enter key on the keyboard or double click on the selected state The Sketch state Properties screen will open Here you can modify the remarks and inequality statements see section 4 8 3 of the state e Press the Save Changes button when you are ready The altered state will be visible in the state graph editor screen 4 8 6 Delete a State e Select in the State Graph Editor the state to delete e
16. ace definitions Open the quantity space definition editor of the source model e Select one quantity space which you want to copy e Press the Ctrl c combination on your keyboard The selected quantity space is now saved in a temporal copy buffer which is going to be read when you want to paste it e Open the quantity space definition editor of the target model e Press the Ctrl v combination on your keyboard The copied quantity space will now appear in the quantity space definition editor of the target model 3 2 13 Copy Quantity definitions e Open the quantity definition editor of the source model e Select one quantity which you want to copy e Press the Cirl c combination on your keyboard or use the Copy option in the Edit menu The selected quantity is now saved in a temporal copy buffer which is going to be read when you want to paste it 15 33 Project No 004074 NATURNET REDIME D4 2 2 e Open the quantity definition editor of the target model e Press the Ctrl v combination on your keyboard or use the Paste option in the Edit menu The copied quantity will now appear in the quantity definition editor of the target model Note When copying a quantity with one or several allowed quantity spaces these quantity spaces are also copied 3 2 14 Copy Model Fragment definitions e Open the model fragments screen of the source model e Select one or multiple model fragment which you want to copy e Pre
17. ar Type a new name for the structure object Change the type of structure object Add remarks if desired Press Apply Changes to save the changes Delete an Undefined Concept Entity Agent or Assumption Select the structure object to delete 21 33 Project No 004074 NATURNET REDIME D4 2 2 e Press the Delete button on the left or the Delete key he keyboard The structure object will be deleted from the Structure Editor 4 3 5 Add a new Structural Relation between Structure Objects e Select two structural objects between which to define a structural relation e Press the Add Sketch Structural Relation button The Add a new sketch Structural Relation screen appears in which you can define the structural relation between the two concepts Select an existing relation from the list or add a new name if desired Add remarks if desired To change the direction of the structural relation press the Switch arguments button To complete adding a new relation press the Apply Changes button The structural relation will appear in the Structure Editor Note It is possible to define multiple structural relations between two structure objects 4 3 6 Modify a Structural Relation between Structure Objects e Select the structural relation to modify e Press Enter on the keyboard or double click on the structural relation The Sketch Structural Relation properties screen will appea
18. arrow that represents the intended transition e Press the Delete button or select the Delete option in the Edit menu The transition will be removed from the State Graph Editor 4 8 10 Error and Warning Messages The error and warning messages which you may encounter during working with the State Graph Editor are listed below with an explanation why they occur and how to remedy the problem Please confirm change e A sketch transition in this sketch will also be deleted because one of its arguments is no longer part of the Sketch You have chosen to delete a state that is connected with a transition to another state As a result one or several transitions will be deleted that perhaps you do not want to delete o Press Cancel Changes to cancel deleting the state o Press Apply changes to delete the state and the transitions mentioned in the pop up screen 4 8 11 Keyboard and Mouse shortcuts Del Delete a selected structural object or relation Enter Properties of a selected structural object or relation Ctrl S Save model to disk Shift S Add State Ctrl C Copy State Ctrl T Add Transition 31 33 Project No 004074 NATURNET REDIME D4 2 2 5 CONCLUSION This document contains the instructions for users of the collaborative version of the Garp3 workbench The collaborative version has three added features of which the functionality and usage is described 1 OWL import and e
19. ay contain no special characters and no numbers o Change the name and try again 4 3 9 Keyboard and Mouse shortcuts e Del Delete a selected structural object or relation e Enter Properties of a selected structural object or relation 22 93 Project No 004074 NATURNET REDIME D4 2 2 Ctrl S Save model to disk Ctrl Add Sketch Concept undefined concept Ctrl Add Sketch Entity Ctrl Add Sketch Agent Ctrl Add Sketch Assumption Ctrl R Add Sketch Structural Relation 44 Causal Model Editor A causal model is a graph which describes the causal dependencies between quantities of structure objects The Causal Model Editor descends to yet another level of detail in comparison to the Structure Editor and describes how quantities in the system influence each other 4 4 1 Working with Causal Models In the Causal Model Editor modellers can specify quantities and the causal dependencies between them Causal dependencies have a source quantity and a target quantity and the arrow between them means that the source quantity influences the target quantity directly or indirectly in some way There are two classes of causal dependencies which both have a positive and a negative variety The Influence 1 and l is also called the direct influence and the Proportionality P and P is also called the indirect influence gt Causal Model Editor Sketch 9 x Edit Elements
20. ction External Influence definition button on the right e Enter a name for the new Action External Influence definition e Add remarks if necessary In the lower part of the screen a text field with multiple tabs is visible The tabs represent several aspects of the agent and need to be supplied with input Entities What entities are involved in and influenced by the Action External Influence Agent Which agent s are is involved in this Action External Influence Quantities Which quantities are involved in and influenced by the Action External Influence Start conditions Which conditions have to be met in order for the Action External Influence to start Effects What will the Action External Influence process do and which quantities will change in what way because of the Action External Influence Stop conditions When will the Action External Influence cease to be active and what will cause these stop conditions Assumptions Which assumptions are active when reasoning about the Action External Influence and why 4 6 3 Modify an Action External Influence definition e Select from the list the Action External Influence definition to modify The data for the selected process will be filled in the tabs 26 33 Project No 004074 NATURNET REDIME D4 2 2 e Edit the Action External Influence definition which is selected like when adding a new Action External Influence definition 4 6 4 Delete an Action External Influ
21. d export and the model repository support 2 multiple model support and model merging and 3 the Sketch environment The task descriptions follow the structure which was implemented in D4 2 1 1 Document history Version Status Date Author 0 1 Draft 16 08 2006 Bakker E 0 2 Draft 21 08 2006 Bakker E 0 3 Sketch finished 23 08 2006 Bakker E 0 4 With remarks from A Bouwer 29 08 2006 Bakker E 0 5 With remarks from J Liem 31 08 2006 Bakker E 0 6 With abstract conclusions and screenshots 04 09 2006 Bakker E final With remarks from B Bredeweg 12 09 2006 Bakker E 2 33 Project No 004074 NATURNET REDIME D4 2 2 Contents Is INEIRODUGLIIQON deii i retire ses seks do evan ete oiv obedece ep cesa 5 2 OWLSUPPORT AND MODEL REPOSITORY 6 2 4 us e 6 Zl Working SUDDOTI cite i o b RR RE 6 2 EXPO G modeb ds qi 6 2 1 3 Import an OWL file containing a model into 3 nns 7 2 2 MODEE REPOSITORY 7 2 2 1 Workine witht the model 8 222 ied 8 LAT REM PR 10 224 Download Odel ise d es ute ena 10 3 MULTIPLE MODEL SUPPORT AND MODEL MERGING e eee eee
22. e another The relations between concepts can be of any kind that is suitable to the situation An example of related concepts can be that a Tree gt uses gt Resources in which Tree and Resources are concepts and uses describes how the two concepts are related 4 2 1 Working with Concept Maps To start working with the Concept Map Editor press the button Concept Map in the Sketch environment of the About this Model screen Two screens will open heremarks editor in which you can add delete and modify your remarks he Concept Map Editor in which you can create a concept map of the domain which is the context of the system or subject of your model Concept Map Editor Sketch ioj Edit Elements on U tube Conaists of 52 Amount Has quantity Has quantity amp Height Has quantity Pressure S Pipe C Outlet Has Connected Consists of GP amp Right container 4 Left container Has gt Righthandside 2 Location lt Lefthandside Has quantity gt Bottom Figure 7 The Concept Map editor 4 2 2 Add a new Concept e Press the button Add concept to add a new concept to the Concept Map Editor see figure 7 The Add a new Concept screen will appear that prompts for a name of this concept e Enter a name for the new concept e Add remarks if desired e Press the button Apply changes to finish a concept and save it to the Concept Map Editor 4 2 3 Modify a Concept
23. e eee eee esee een osos ee esee een ss sese eeeae 12 2 1 NUD TIPE MODEL SUPPORT 4 neos p e p d 12 Du WOrK EWC MU PE MOLA eat e E e a RR teu eie oet eei ua et tuse audis 12 12 3 2 MODE SIS el CN E 13 3 2 1 Working with the model merging functionality 13 n 2 07 13 3 2 3 Copying elements to models containing similar elements esses eene eene nnns 13 od COPYING NICTATCHICALSITUCIUTCS eu M 13 COPINE Model ETOPIOHDS dera Ea 14 B20 Taror ONG Warming 0530968 tate usen etes eee Vi e as 14 SV RTT MEET 14 UT MEE OPV AVEN ACON S ET m ma 14 O20 NCOP Y ASSUMPTION 15 3 2 10 15 3 2 11 COPY Attribute 15 3 2 12 Onani lY Space de Ulli A A 15 3 2 13 COPY 8770174788212 ERR TN 15 3 2 14 Copy Model EFA GICAL deniiliONSs assessed ae E n ar eo apr rep iudi died co erc 16 3 2 15 CODY AScenartoxXeUlfiOng gu aote eoa basti en be bx visendi hut ame pst 16 de SKEL H ee P 17 4 WORKING WITHTHE SKETCH ENVIRONMENT necesse ente eet ERR 17 411 Adding modifying and deleting 17 Ahes leu e de EENE A 17 Demode a A E N 17 4 2 CONCEPTMA 18 4
24. ence definition e Select from the list the Action External Influence definition to delete from the Action External Influence editor e Press the button Delete selected Action External Influence The Action External Influence definition will be deleted from the editor 4 7 Scenario definitions Before beginning a simulation a scenario has to be created A scenario describes the begin state of the system before the beginning of a simulation 4 7 1 Working with Scenario definitions Like the process the scenario has several aspects that need to be filled in to get a complete view on the situation gar Scenario definitions Sketch c x Scenario definitions Letthigher Righthigher Name Lefthigher Remarks Liquid flow from left to right Entities Agents if any Quantities Initial Values Injequality Statements Assumptions Amount gt Amount Figure 11 The Scenarios definitions editor 4 7 2 Add a new Scenario definition e Add a new scenario definition by pressing the Add scenario definition button on the right The Scenario definitions screen appears see figure 11 e Enter a name for the new scenario definition e Add remarks if necessary In the lower part of the screen a text field with multiple tabs is visible The tabs represent several aspects of the scenario and need to be supplied with input Only the agents tab is optional 27 133 Project No 004074 NATURNET REDI
25. ents assumptions configurations attributes quantity spaces quantities model fragments and scenarios 3 2 1 Working with the model merging functionality Copying and pasting should work intuitively for users and in most cases only requires you to select the elements you wish to copy and use ctrl c and ctrl v to actually copy the elements But when looking at the single user workbench of Garp3 some choices had to be made about how the model merging functionality was to be implemented Firstly some building block editors allow multiple selections of objects and others allow only the selection of one element at a time Secondly there is the issue that some building blocks are defined in a hierarchy and that copying parts of a hierarchy raises questions about how to represent the copied model ingredients in the target hierarchy As a third issue it is possible that models which aim to represent similar systems might also implement identically named model ingredients but perhaps with different values included Something must be altered when copying such elements for Garp3 does not allow identically named elements The consequences of these three factors for the results of copy and paste operations will be described briefly in the following sections 3 2 2 Making selections Due to the nature of the original definitions editors scenarios it is only possible to select and copy one element at a time when copying configurations attributes quantity
26. ents can be added between quantities and quantities and values Add an In equality Statement between a quantity and a value e Press the Add Sketch Inequality button A new quantity and a new value will appear Choose one of the quantities from the list or type the name of a new one Choose one of the inequality types Choose one of the values from the list or type the name of a new value Press the Save Changes button when ready to add another in equality statement Add an In equality Statement between two quantities e Press the Add Sketch Inequality button A new quantity and a new value will appear 29 33 Project No 004074 NATURNET REDIME D4 2 2 Choose one of the quantities from the list or type the name of a new one Choose one of the inequality types gt gt lt lt Select the field above Values on the right Select another quantity from the quantity listbox that you wish to create an in equality to e Press the Save Changes button if you are ready or want to add another in equality statement Copy an In equality Statement When other inequality statements exist it is possible to make a copy of one of them e Select the inequality statement to copy e Press the Copy Selected Sketch Inequality button A copy of the original inequality statement will be added to the list of in equality statements with the addition copy to its name Modify an In equality Statement e
27. enu The copied entities will now appear in the entity definition editor of the target model Note see section 3 2 3 for more information about copying and pasting in hierarchical structures 3 2 8 Copy Agent definitions e Open the agent definition editor of the source model e Select one or multiple agents which you want to copy e Press the Ctrl c combination on your keyboard or use the Copy option in the Edit menu The selected agents are now saved in a temporal copy buffer which is going to be read when you want to paste them e Open the agent definitions editor of the target model e Optional select the agent to which you want to attach the copied agents e Press the Ctrl v combination on your keyboard or use the Paste option in the Edit menu The copied agents will now appear in the agent definition editor of the target model Note see section 3 2 3 for more information about copying and pasting in hierarchical structures 14 33 Project No 004074 NATURNET REDIME D4 2 2 3 2 9 Copy Assumption definitions e Open the assumption definition editor of the source model e Select one or multiple assumptions which you want to copy e Press the Cirl c combination on your keyboard or use the Copy option in the Edit menu The selected assumptions are now saved in a temporal copy buffer which is going to be read when you want to paste them e Open the assumption definitions editor of the target model e Optio
28. ex Tas Qualitative Reasoning Model Repository Top Downloads Upload qualitative reasoning model in OWL format Upload Model Upload Model aixi Look ir wL Models m Ee i RstarEcologicalModellingIJune2006 avul RstarEcologicalModellingMay2006 Qualitative Model OWL File Computer el Network File name une200B owl Places Files of type Files Cancel E Figure 2 Uploading a model to the model repository 2 2 2 Upload a model e Press Click the URL on the left in the sub menu A new page appears with the buttons Browse and Upload model e Press the Browse button e Select the OWL file that you wish to upload in the File Upload screen as shown in figure 2 The path to the file will appear in the box on the left of the Browse button e Press the Upload model button A message will appear in a new screen that displays the message that your model has been uploaded 8 33 Project No 004074 NATURNET REDIME D4 2 2 Note The screen also displays the message The model will be indexed in due course which means that your model might not be visible yet in the model repository It could take 24 hours before your model is indexed Qualitative Reasoning amp Modelling Home Documentation Software Models Community FAQ Glossary Links About Repository Index Top Rated Qualitative Reasoning Mode
29. ffect 3 2 4 Copying hierarchical structures Entities Agents and Assumptions are ordered into a hierarchical structure which also enables the selection of multiple elements Model Fragments are also ordered hierarchically but because they are ingredients which can also contain other ingredients a different rule for copying applies It is not obvious what happens when nodes in a hierarchical chain are copied to another hierarchical structure which is ordered differently The choice is made to deal with these hierarchical issues in the following way 13 33 Project No 004074 NATURNET REDIME D4 2 2 1 When an ingredient with a specific parent is copied to a target hierarchy which also contains this specific parent the ingredient is also placed as a child of this parent in the target hierarchy 2 hierarchy it is possible to select an ingredient at the end of a hierarchical chain together with an ingredient at the beginning of that chain In this case both ingredients will be placed under the start node unless rule 1 applies for any of the two ingredients 3 When copying part of a hierarchical chain which consists of one or multiple connected hierarchical relations and perhaps also one or several ingredients which are not connected the result will be that the copied ingredients which are connected are placed into the target hierarchy in their original structure 4 Itis also possible to place one or multiple copied ingredients direc
30. ffects What will the process do and which quantities will change in what way because of the process Stop conditions 25 33 Project No 004074 NATURNET REDIME D4 2 2 When will the process cease to be active and what will cause these stop conditions Assumptions Which assumptions are active when reasoning about this process and why 4 5 3 Modify a Process definition e Select from the list the process definition to modify The data for the selected process will be filled in the tabs e Edit the process definition which is selected like when adding a new process definition see 4 5 2 4 5 4 Delete a Process definition e Select from the list the process definition to delete from the editor e Press the button Delete selected process definition The selected Process Definition will be deleted from the editor 4 6 Actions and External Influences Actions and External Influences are those factors physical objects and processes that are outside of the system being modelled They can influence the system in the same way as processes inside of the system but are described in a separate editor to keep the representation conceptually distinct 4 6 1 Working with Action External Influence definitions The Agent definitions editor is meant to create definitions of the external processes that influence the system 4 6 2 Add a new Action External Influence definition e Add a new action definition by pressing the Add A
31. he Causal Model Editor 24 33 Project No 004074 NATURNET REDIME D4 2 2 4 5 Process definitions Processes are generally the main source of changes in a system Hence it is important to specify which parts of the system they affect and when they apply 4 5 1 Working with Process definitions In the Process Definitions Editor you will be asked to supply several aspects of the processes that are important in the modelled system The Process Definitions Editor does not show a graph like the previously described editor screens but is text based e Process definitions Sketch Process definitions Liquid flow Liquid flow Remarks Flow of liquid from container to container2 Entities Quantities Start Conditions Effects Stop Conditions Assumptions pressure pressure gt Zero Figure 10 The Process definitions editor 4 5 2 Add a new Process definition Press the Add Process definition button on the right see figure 10 Enter a name for the new process definition Add remarks if necessary In the lower part of the screen a text field with multiple tabs is visible The tabs represent several aspects of the process and need to be supplied with input Entities Which entities are involved in the process Quantities Which quantities of the previously entered entities are involved in the process Start conditions Which conditions have to be met in order for the process to start E
32. in with a general idea of what to implement into the model and to have a more detailed idea of the model contents after sketching Working with the sketch environment helps modellers to explicate ideas about the system and intended model and to exchange these ideas with other model builders This document is a user manual and concerns the added collaborative functionality to the Garp3 workbench It maintains the structure chosen in D4 2 1 1 and describes the functionality in a task oriented way 5 33 Project No 004074 NATURNET REDIME D4 2 2 2 OWL IMPORT EXPORT AND MODEL REPOSITORY To support model sharing between model builders a model repository has been designed In this repository model files can be uploaded and downloaded and it implements search functionality to find models in which specific concepts are used To enable these facilities the QR vocabulary was formalised in an OWL ontology for qualitative models in Garp3 2 From this a file format was developed that made it possible to implement functionality to export Garp3 model files as OWL files and import such files into Garp3 2 1 OWL Support The OWL support in Garp3 is located in the file operations section While saving and loading files the OWL file type can be chosen 2 1 1 Working with OWL Saving and loading OWL files works in the same way as working with Garp3 model files The only exceptions to the original functionality are found in the results of saving and
33. l Repository Top Downloads Ingredients Reduced Ingredients Valid Models Upload Model Entities Entities e population vs2bla owl e R star vs 10 0wl eA A e Abiotic resource Abiotic resource e Amphibians Amphibians e Animal Animal Birds Carnivore Collection Energy resource e Birds Environment e Carnivore e Collection General abiotic resource Grass Grass and palms e Energy resource Habitat e Environment Herbivore Insects e Frog Joint leas e General abiotic resource Living organism e Grass Living organism collection e Grass and palms Mineral resource e Habitat Owl Plant e Herbivore Population e Insects Resource e Joint leas Seed bank Snake Specific abiotic resource Spinal cords Water resource e Living organism Living organism collection Mineral resource Agents Blup Assumptions e Plant e Full correspondence Population available resource and Resource production per capita e Full correspondence biomass to gross production Figure 3 The model repository showing the models that contain the entity Population and model ingredients in those models Qualitative Reasoning amp Modelling Home Documentation Software Models Community FAQ 3lossary Links About Repository Index Top Rated Qualitative Reasoning Model Repository Lact ee All Ingredients Reduced Ingredients Valid Models Upload Model Entities Entities e R star vs 10 0wl eA eA e Animal e Carnivo
34. model merging and the sketch environment The OWL support allows the user to export the models to an OWL format Also it enables users to import downloaded OWL model files back into the Garp3 workbench to work on it or run simulations The model repository is a website where model builders can upload and download models in the OWL format OWL is preferred since it is an open semantic format and enables searching through the model content The OWL import and export and the model repository facilitate collaborative working on qualitative models in Garp3 by supporting the exchange of models and model parts between model builders Other features implemented to enable collaborative work with the Garp3 workbench are the multiple model support and the model merging functionality These features allow users to edit several models in the same Garp3 screen simultaneously Also model ingredients can be copied from one model to another model which enables reusability and integration of multiple models As a last feature a new environment is added under the metadata section of Garp3 This environment is called the Sketch environment because it enables users to begin sketching the structure of the model that needs to be implemented using a series of dedicated editors The sketch editors begin at a low level of detail and a high level of abstraction and end with a high level of detail and a lower level of abstraction Thus it is possible for modellers to beg
35. nal select the assumption to which you want to attach the copied assumptions e Press the Ctrl v combination on your keyboard or use the Paste option in the Edit menu The copied assumptions will now appear in the assumption definition editor of the target model Note see section 3 2 3 for more information about copying and pasting in hierarchical structures 3 2 10 Copy Configuration definitions e Open the configuration definition editor of the source model e Select one configuration which you want to copy e Press the Cirl c combination on your keyboard The selected configuration is now saved in a temporal copy buffer which is going to be read when you want to paste it e Open the configuration definition editor of the target model e Press the Ctrl v combination on your keyboard The copied configuration will now appear in the configuration definition editor of the target model 3 2 11 Copy Attribute definitions e Open the attribute definition editor of the source model e Select one attribute which you want to copy e Press the Ctrl c combination on your keyboard The selected attribute is now saved in a temporal copy buffer which is going to be read when you want to paste it e Open the attribute definition editor of the target model e Press the Ctrl v combination on your keyboard The copied attribute will now appear in the attribute definition editor of the target model 3 2 12 Copy Quantity Sp
36. of your model with a specific scenario as input 4 8 1 Working with State Transition Graphs The State Transition Graph editor is a visual editor that allows you to create transition state graphs and to supply the values and inequality statements of the quantities included in specific states 28 33 Project No 004074 NATURNET REDIME D4 2 2 gt SketchState properties Sketch State Transition Graph Editor Sketch i Edit Elements State ID Value and injequality statements Height lt Container top Height Height2 Height2 lt Container2 top Height lt Containeri top Quantities Values Remarks Figure 12 The State Transition Graph editor 4 8 2 Add a new State e Press the Add state button The Add a new state screen appears e When adding a new state it automatically receives a state ID This name can be changed but the same name cannot be used more than once e Add the values and inequality statements of the state see section 4 8 3 and figure 12 e Add remarks if necessary e Press the Save Changes button to save the state When you close the state editor the state will be added to the state graph 4 8 3 Add delete and modify details of a State In the Add a new state and the Sketch State properties screens it is possible to create new value and in equality statements which describe important aspects of a state In equality statem
37. ors the model builder works gradually from a high level of abstraction towards a low level of abstraction which means a higher level of detail where much of what the actual model must contain becomes explicitly known 41 Working with the Sketch environment The Sketch environment is available in the About this model screen which is accessible by pressing the About this model and Sketch button in the Build Tasks section of the Garp3 main Screen e Press the About this model and Sketch button in the Build tasks section of the Garp3 main screen The Sketch operations are available after the fifth button in the tool bar and are represented by black and white icons with clouds Note The sketch environment is developed to support a structured approach in thinking about models It is recommended to begin with the Concept Map editor on the left and gradually ascent towards higher levels of detail by going through the different perspectives until you reach the State Transition Graph editor is reached 4 1 1 Adding modifying and deleting remarks Every sketch editor has a field in the About this model screen in which remarks about the work in that graph or editor can be written The remarks fields work like a simple text editor and allow for adding deleting and modifying text When changes are made in the remarks fields these can be saved by pressing the Save Changes button 4 1 2 Print graph to file The Concep
38. r which allows editing the properties of the structural relation you selected Change the name Add remarks if desired To change the direction of the structural relation press the Switch arguments button Press the Apply Changes when you are done 4 3 7 Delete a Structural Relation between Structure Objects e Select the structural relation to delete e Press the Delete button on the left or the Del key on thekeyboard The structural relation is now deleted from the Structure Editor 4 3 8 Error and Warning Messages The error and warning messages which you may encounter during working with the Structure Editor are listed below with an explanation why they occur and how to remedy the problem Please confirm change A sketch structural relation in this sketch will also be deleted because one of its arguments is no longer part of the sketch A structural object connected with a structural relation is chosen for deletion As a result one or several structural relations will be deleted o Press Cancel Changes to cancel the operation o Press Apply changes to delete the structural object and the structural relations mentioned in the pop up screen Conflict This action is impossible please check the following feedback e Invalid name given No name or an invalid name has been entered for a structural object or structural relation Note that a name for any structure element in Garp3 m
39. re e Animal e Environment e Herbivore e Plant e Population e Seed bank e Carnivore Agents Assumptions e Full correspondence available resource and production per capita e Full correspondence biomass to gross production e Not active e Seed bank exists e Simplying assumption e Environment e Herbivore Configurations e Consumes e Lives in Attributes Quantities Biomass Consumption rate Mort gross Mort per capita Net growth Prod gross Prod per capita Resource available Resource inflow Seed bank Waste rate e Plant e Population e Seed bank 9 33 Project No 004074 NATURNET REDIME D4 2 2 Figure 4 The model repository showing the models which contain Population Plant and Carnivore and model ingredients in those models 2 2 3 Find a model The All ingredients list shows all the model ingredients in all the available models in the repository When searching for a model we begin in this list You can select ingredients in this list by clicking on them with your mouse which will result into the Reduced ingredients list showing a list of all the ingredients in all the models that include that particular ingredient see figure 3 and 4 To make searching easier and more insightful it is possible to open and close separate lists of ingredients by clicking on the ingredient names e Select an ingredient in the All ingredients list The ingredient will now colo
40. s screen appears in which you can edit the relation you selected change the name of the relation Alsmgimodify the remarks about the relation Press the Switch arguments button if you want to change the direction of the relation Press the Apply Changes button when you are done 4 2 7 Delete a relation between concepts e Select the relation to delete e Press the Delete button on the left or the Del button on the keyboard to delete the relation The relation is now deleted from the Concept Map 4 2 8 Error and Warning Messages The error and warning messages which may be encountered while working with the Concept Map Editor are listed below with an explanation why they occur and how to remedy the problem Please confirm change e A sketch relation in this sketch will also be deleted because one of its arguments is no longer part of the sketch You have chosen to delete a concept that is connected with a relation As a result one or multiple relations will be deleted o Press Cancel Changes to cancel the operation o Press Apply changes if you want to delete the concept and the relations mentioned in the pop up screen Conflict This action is impossible please check the following feedback e Invalid name given 19 33 Project No 004074 NATURNET REDIME D4 2 2 You have entered no name or an invalid name for a concept or relation Note that a name of a concept or relation may contain no special
41. spaces quantities and When copying entities agent assumptions and model fragments it is possible to select multiple elements at the same time 3 2 3 Copying elements to models containing similar elements When copying entities agents assumptions and configurations the name is the only distinctive value of the elements Due to this fact it is impossible to copy an element when an element with the same name is already included in the target editor When copying quantity spaces attributes scenarios and model fragments it is possible that the content of an element is different from an element with the same name which is already included in the target editor This will cause a new element to be added to the target editor containing the content and name of the copied element with the added string different values When copying multiple elements from a definition editor which allows multiple selections to a target hierarchy that includes a namesake of one or several of the copied elements only the ones that have no namesake will be copied The exception to these rules is merging quantities When copying a quantity to another model which contains a quantity with the same name and a different quantity space the quantity space of the copied quantity is added to the allowed quantity spaces in the target model When copying a quantity to another model which contains a namesake which has the same allowed quantity space s the operation has no e
42. ss the Ctrl c combination on your keyboard The selected Model Fragments are now saved in a temporal copy buffer which is going to be read when you want to paste it e Open the model fragments screen of the target model e Press the Ctrl v combination on your keyboard The copied model fragment and its parents will now appear in the model fragments screen of the target model Note See section 3 2 4 for more information about why model fragments are copied and pasted like they are 3 2 15 Copy Scenario definitions e Open the scenarios screen of the source model e Select one scenario which you want to copy e Press the Ctrl c combination on your keyboard The selected Scenario is now saved in a temporal copy buffer which is going to be read when you want to paste it e Open the scenarios screen of the target model e Press the Ctrl v combination on your keyboard The copied scenario will now appear in the scenarios screen of the target model 16 33 Project No 004074 NATURNET REDIME D4 2 2 4 SKETCH oketch is developed to allow model builders to make their conceptual ideas explicit without being bound to the QR vocabulary and constraints 3 It provides an environment where several tools guide the model builder to take a structured approach in thinking about the modelling task at hand while being able to share these thoughts in an efficient and consistent way with peer modellers With 4 graphical and 3 text based edit
43. t Bredeweg Paulo Salles and Michael Neumann submitted for publication Remarks Metadata added by Jochem Liem on 12 09 2006 Rating Ma of Downloads Download RstarEcologicalModellingjune2006 owl You have already rated this model Figure 5 Downloading an OWL file from the Model repository 2 2 4 Download a model To download a model first find a model that you wish to download see section 2 2 3 When you are in the models own page which contains some metadata and a rating you can click on the link behind the download caption e Click on the download link A screen opens e Select the directory where you want to save the model e Press the Save button The model is now saved in the selected directory 10 33 Project No 004074 NATURNET REDIME D4 2 2 11 33 Project No 004074 NATURNET REDIME D4 2 2 3 MULTIPLE MODEL SUPPORT AND MODEL MERGING To support collaboration between model builders multiple model support has been introduced to the Garp3 workbench When several people simultaneously work on the same or a similar task this feature allows them to merge several models or reuse parts of what others already did This tool also makes it easier to use a model fragment library because it allows users to copy fragments from the library into their own model 3 1 Multiple model support The collaborative version of the Garp3 workbench allows the manipulation of multiple models in one running version
44. t Map Editor Structure Editor Causal Model Editor and the State Transition Graph Editor have the function to save the shown graph to a file This will result in an EPS file which contains a representation of the graph in vector graphics and can for example be useful when creating pictures for publications e Select the Save Diagram to EPS file option in the Edit menu e Select the directory and type the filename that you prefer and press the Save button in the Save Diagram to EPS file screen e The diagram is saved as an EPS file in the directory that is specified 4 1 3 Save model to disk At any time during the use of the Sketch environment the complete model including the latest changes can be saved to a file e Select the Save model to disk option in the Edit menu in the Concept Map Editor Structure Editor Causal Model Editor and the State Transition Graph Editor or Press the button Save changes to model in the Process Definitions screen the Agent Definitions screen or the Scenario Definitions screen f the model was not saved before you will be prompted to supply a filename and a location for your model before it will be saved 17 33 Project No 004074 NATURNET REDIME D4 2 2 4 2 Concept Map Editor Concept Maps are graphs describing the relations between concepts in a particular domain This task can help to gain insight into how concepts in a domain are structured and relate to on
45. tly under a node that is selected in the target hierarchy However when rule 1 applies the copied ingredients that belong to a namesake parent will be placed there despite of the selection Copied ingredients that do not belong to a parent in the target hierarchy will be assigned as children to their selected parent as intended 3 2 5 Copying Model Fragments An exception to the rules stated in 3 2 3 is copying Model Fragments Although Model Fragments are ordered into a hierarchical structure it is not allowed to copy an ingredient at the end of a hierarchical chain on its own Therefore when copying model fragments the parent fragments and all the imported model fragments are also copied Also if an imported fragment has parents or important fragments of is own these are also copied in the copy action 3 2 6 Error and Warning messages To be developed in Task 4 4 3 2 7 Copy Entity definitions e Open the entity definition editor of the source model e Select one or multiple entities which you want to copy e Press the Ctrl c combination on your keyboard or use the Copy option in the Edit menu The selected entities are now saved in a temporal copy buffer which will be read when you want to paste them e Open the entity definitions editor of the target model e Optional select the entity to which you want to attach the copied entities e Press the Ctrl v combination on your keyboard or use the Paste option in the Edit m
46. to search for a model based on the model ingredients which are included in the model The repository will be integrated with the QRM portal http ncs science uva nl QRM The development version of the model repository can be found at http staff science uva nl jliem Repository index php 7 133 Project No 004074 NATURNET REDIME D4 2 2 2 2 1 Working with the model repository When opening the model repository you enter the Repository index There are three other options on the left submenu which are top rated top downloads and upload model Top rated and top downloads show lists on the ratings and frequent downloads of models The repository index itself is ordered into three lists The first list All ingredients shows all the model ingredients in all the models that are in the repository The second list Reduced ingredients shows the exact same list but when the scope of your search will be narrowing down this list will only show the ingredients in the models that still match the search query The third list Valid models shows all the models that match your query By clicking with your mouse on a model in the Valid models list but also on the top rated and top downloads list a separate window will open with information about this model Qualitative Reasoning amp Modelling Home Documentation Software Models Community FAQ Glossary Links About Repository Ind
47. ur red in the All ingredients list and causes all the ingredients that are not in one or multiple models that contain your selected ingredient to fade out e You can now select another ingredient in the one of both lists to refine your search or deselect a selected red ingredient by clicking on it again e Inthe Valid models list on the right is a list of models that contain the ingredients that you selected e Click on a model name in the Valid models list to see its details on a separate page Qualitative Reasoning amp Modelling Home Documentation Software Models Community FAQ Glossary Links About Repository Index Top Rated Qualitative Reasoning Model Repository Top Downloads Model Information Upload Model l Title The R Star Model Author Tim Muttle Contributors Bert Bredeweg Keywords Plant resource system uncertainty Domain Ecology Model goals Show how qualitative reasoning helps to deal with uncertainty Target Audience Ecologists Model version 11 Model Limitations None Language English Bibliographic Show how qualitative reasoning helps to deal with uncertainty Citation License Abstract The model represents a plant resaurce system and was used to illustrate how the qualitative reasoning paradigm can be of help in dealing with uncertainty Details of the model are discussed in the paper Simulating an uncertain world using qualitative reasoning to model 4 plant resource system by Tim Nuttle Ber
48. xport and the model repository support These separate features are closely related in terms of usage and thus their functionality is therefore described in one chapter 2 Multiple model support and model merging These are also separate features but similar to the previous point they also are related in terms of usage and thus both included in one chapter 3 he Sketch environment The sketch environment features 7 editors 32 33 Project No 004074 NATURNET REDIME D4 2 2 6 REFERENCES 1 A Bouwer J Liem B Bredeweg User Manual for Single User Version of QR Workbench Naturenet Redime Project co funded by the European Comission within the Sixth Framework Programme 2002 2006 Project no 004074 Project Deliverable Report D4 2 1 J Liem B Bredeweg OWL and qualitatative reasoning models In 29th annual German Conference on Artificial Intelligence 2006 2006 Lecture Notes on Artificial Intelligence Springer 2006 To appear J Liem A Bouwer B Bredeweg D4 3 Collaborative QR model building and simulation workbench Naturenet Redime Project co funded by the European Comission within the Sixth Framework Programme 2002 2006 Project 004074 Project Deliverable Report D4 3 Bredeweg B Bouwer A and Liem J 2006 Hequirements analysis and re design for collaborative workbench Technical milestone report Naturnet Redime M4 2 project number 004074 University of Amsterdam 33 33

D4.2.2

Contents

Download Pdf Manuals

Related Search

Related Contents