User manual - Computer Science Department
Contents
1. http St gt lt Wwpe gt lt wikiproxy gt Figure 13 An example of the configuration xmI file Running Cedar Prerequisites Before you can run Cedar you have to make sure you meet all the prerequisites Microsoft Windows users 1 Download and install the JAVA runtime environment JRE version 1 4 or later into a directory of your choice We call this directory pathtojava from now on Set the JAVA HOME environmental variable to point to pathtojava Download Cedar from the Cedar website Install it into a directory of your choice e g c cedar from now on we refer to this as pathtocedar Once you have extracted the archive into pathtocedar you should have 3 batch files run cedar room bat run wikiproxy bat run cedar client bat and one directory sandbox inside pathtocedar Linux Mac users Mac users can probably skip the first three steps 1 Download and install the JAVA runtime environment JRE version 1 4 or later into a directory of your choice We call this directory pathtojava from now on Set the JAVA HOME environmental variable to point to pathtojava Install the TENEX C Shell tcsh Use apt get or whatever suits you best It can also be downloaded from tcsh org Download Cedar from the Cedar website Install it into a directory of your choice e g nome johann cedar from now on we refer to this as pathtocedar Extract the archive to a directory of your choice For examp2. 10 the server The user performed a POST editor to the wiki server and updated the content of a wikipage that he she had previously loaded and a The modified content contains links to wikipages that the user has not loaded yet b The user removed links to pages that the he she had previously loaded In this case the link is removed but the page still remains in the Overview as a stand alone page c The user added a link to a page he she has loaded and is currently a stand alone page A link is redrawn to the page and it becomes a part of the network again A remote group member loaded a page that the user has not loaded yet The pages in the overview can be linked together or they can be stand alone pages If a page is a stand alone page it is because it is not Supposed to connect link to any of the other pages or if all links to that page have been removed The page is never removed just the link Should the group decide to re add a link to the stand alone page the link is redrawn Group for Research on Usability and Prag ahann Welcome to our lab page GROUP is a research group atthe http i Zs ndex html Department of Computer Science eduy Brandeis University led by Professor f We research issues of convention and coordi h autonomous Al and adaptive groupware Y ology and methods for designing 4 represent line collaboration either asynchronous or sy this effort is to deve
3. More Actions ShowRawText_ Do Oo Aa O B f Pubiicchat Pad E I NOTIFICATION rick has joined Members i Zy e i Er A johannl Private chat rick hey hick johanni whats up 2ampjampjampsamp amp am pjamp am pjamp it style border no amp ampampampjampamp ampsampjamp amp gt Contact informat nll amp amp amp amp amp amp amp amp amp lt style border no amp ampjamp amp amp amp amp amp amp amp gt G R O U P lab l amp amp amp amp amp amp amp amp amp amp lt style border no _urrently working on Share a browser Last modified 10 08 2005 Author Johann Larusson johann cs brandeis edu Table of Contents lotr OC UICC O10 eons ades ce see naa teehee toes aid cate nate deel alia gland A acer nate dere alto NS ald cas 3 TEC ear eV ey nie aoa Mememerte meme mERene set Miner Ne Stitt een oRer ernie wren tnt ae E Ene ne 4 Cedar Hent OVT VIC Wicks Senses tetas ears esas sacar EEE a Shc eawaceeistens 5 Ts MSGi AAS Ci e E ET A A setnasas t Poeemate AO 6 A tee ce ices setae E E cates as Ga oes eee oe 8 DEON a E E ste nutcase E iat a tote 8 Ah NS AOU oeir Panead ners T EAEE E E ances yeanees E AETR eae 9 Edine Waki ae CS cinetsiseeihcrsdial Addi shadldaadaidibin hide te devatndatabtadusketeal Gn atlas 10 DOW CIVIC orre epee een tat seers AA 10 Controlling he Ov ery ew sass ysseisaaivacaausiseeiseveiiosdsa davies etaeeccaetnees 12 Configurations for the Cedar environMen cccccccccesesseeeecee
4. It makes it possible for the users to see the web page html wiki that they are working on from a browsers perspective and allows the users to access the world wide web to search for information Each user has a browser that he she can use This browser cannot be closed The browser is divided into two sections The upper section is the browser toolbar where the user can control the browser and the lower section is the rendering view where the page is displayed The toolbar provides the same basic functionality as other mainstream browsers 1 Go back To the previously visited pages 2 Go forward To the page you visited after the currently loaded page 3 Stop Stop the loading of a page helpful if it is taking too long and the server might me down or too slow 4 Go home Go to the browsers default homepage 5 Go press enter in the address box Visit the url that the user typed into the address box A user can also open a shared browser What that means is that you see the browser of another group member the page he is currently looking at but you cannot control his ner browser The view is read only but the browser looks the same and opens up in a new tab right next to your default browser To read how you can open up a shared browser and monitor other group members and their browser activities read the sub chapter on User manager The following picture shows the browser At the top is the toolbar that provides the controls for th
5. efficiently The Cedar Environment includes the following three software applications The Cedar room WikiProxy and The Cedar client The Cedar Environment Cedar room Cedar client 1 Cedar client 2 Cedar client N Figure I This figure illustrates how the Cedar environment is structured When you are participating in a group each group member has an instance of the Cedar client front end running Each of those clients needs to connect to a Cedar room and the room can run on one of the client machines or a separate machine The purpose of the Cedar room is to pass messages between all the clients so that they can communicate with one another and be truly a collaborative groupware solution You cannot run a Cedar client without a Cedar room Each group working together should only have one room running Think about the above picture as showing the setup for one group which has N many participants collaborating As mentioned previously Cedar acts as a wrapper around a wiki server allowing the participants to create and modify wiki pages To achieve this the group has to run another application alongside the room called the WikiProxy The WikiProxy is the communication layer between the wiki server that the group uses and the Cedar room and therefore all the Cedar clients The room manages all communication between the clients and the clients and the WikiProxy The WikiProxy messages are just a small number of the messages th
6. file and close the editor Open up a new command prompt and cd into the pathtocedar directory and run the following command run cedar client bat When you participate in the work session with your group and you are not running the Cedar room and the WikiProxy then you have to obtain the thymeurl from your group member that will run the room and proxy 17 Linux Mac users 1 Running the Cedar room Open up a terminal cd into the pathtocedar directory and run the following command sh run cedar room sh Look at the output from the run cedar room sh The second to last line says something like this MSG 1128655426458 Default URL is thyme room node id 127 0 0 1 in tri shell TrisystemShell e We are interested in ip address part of the thyme room node id 127 0 0 1 We will call this thymeurl YOU WILL HAVE TO REMEMBER THIS VALUE 2 Running the WikiProxy Open the run wikiproxy sh in your favorite editor e g VIM Find the following section Name or ip address of the computer running the Cedar room hostname johann Replace the value johann with the thymeurl You can also use the hostname of the computer if you know tt Save the run wikiproxy sh file open up a new terminal and cd into the pathtocedar directory and run the following command sh run wikiproxy sh 3 Running the Cedar client Open the run cedar client sh in your favorite edi
7. shows the dialog that appears if you select to create a new page through the Overview Configurations for the Cedar environment Before Cedar is started it needs to be configured correctly This needs to be done prior to starting the applications since they cannot deal with runtime configuration changes The configuration settings are stored in a XML file called configuration xml which is stored in the sandbox directoruy The file is generated automatically on first startup if it does not exist Each entry in the file is either of type woe WikiProxyEntry or linkpattern but they differ in attributes Figure 13 shows an example of the configuration file If the configuration xml file is created automatically on startup because it did not exist then default settings are used These default settings apply to MoinMoin wiki 13 Required settings for the WikiProxy representing the order position of this pattern No link patterns should have the same number that is an internal link or not Internal links are links that link to pages on the same wiki server patter The regular expression that describes the particular link Type Id Value Purpose wpe hostname A complete URL to the This is the url that the wiki server that the WikiProxy uses so that group will use it knows where to GET and POST pages wpe wikitype A value indicating the This is required wikitype that is on the because th
8. Cedar User manual CEDAR v 00072 johann a fF x Private browser Group for Research on Usability and Pragmatics BACK FORWARD STOP HOME co Untitled Wiki Search Titles Text Welcome to our lab page GROUP is a research group atthe http www9 cs brandeis edu cs ndex html Department of Computer Science at http www brand s edu Brandeis University led by Professor Richard Alterman We research issues of convention and coordination in groupware n autonomous Al and adaptive groupware We have developed teg ology and methods for designing a representational system of an q line collaboration either asynchronous or synchronous One part this effort is to develop a toolkit THYME amp ampjamp amp amp amp mMpjampjampampjamp Sage for building groupware applications at automatically produce complete transcripts and replay devices other part of the effort is to develop discourse analysis tools andt hniques for modeling the interactions of users their cognitive load nd the representational work they do A third part of the effort has een to develop adaptive components that leverage the design of th epresentational system for the purpose of reducing user work FrontPage RecentChanges FindPage HelpContents Currently we are developing an experimental platform called Ceda or asynchronous and synchronous collaborations for building wet tes Please see the CEDAR page for details Edit Show Changes Get Info
9. age in the browser How to create a new wiki page Method 1 Navigate to the page in your browser by typing in the url Because the page does not exist yet you will add a preferred name at the end of the wiki server url That will be the page name Hit the GET button on the editor toolbar That will load the page into the editor Once you are done hit the POST button and the page has been created Method 2 Right click somewhere on the Overview and select Create new document Type in the desired page name into the dialog box that appears The new page will be loaded into the editor Click POST on the editor toolbar when you are done making changes and the page has been created and will be loaded into the browser and the Overview will update itself Method 3 Edit the page How to edit an already existing wiki page that links to the new page you will create 19 Add a link in the current page to the page you will create Use the desired page name in the link e POST the changes How to update the content of a wiki page was editing The Overview will update itself creating a link to the new page e Double click the new page you want to create and it will load in the new page in the editor e POST the changes and the new page has been created How to start a private chat Two participants This means you and someone else Right click the participant in the user ma
10. at are being passed around in the room The dashed line isolates the room and clients from the proxy so illustrate that the majority of communication occurs below the line messages get passed from the room and to the proxy only when needed There is no user intervention required between the participants and the Cedar room and the WikiProxy You only need to make sure to start both applications before you start the clients The startup sequence should be 1 Cedar room 2 WikiProxy 3 Cedar clients Cedar client overview This chapter will give an overview of the Cedar client user interface The following subchapters will cover each part mentioned in this overview in more detail The Cedar client user interface contains 5 components that users can interact with These components are the following 1 User manager 2 Chat IM style 3 Browser web browser 4 Editor to edit wiki HTML pages 5 Overview OC o Group for Research on Usability and Pragmatics BACK FORWARD sTOP HOME co Welcome to our lab page 4 Editor nttp iceland cs brandeis edu Group GROUP is a research group atthe http www cs brandeis edu cs p m Untitled Wiki ndex html Department of Computer Science at http www bran Search Titles Text s edu Brandeis University led by Professor Richard Alterman We research issues of convention and coordination in groupware n autonomous Al and adaptive grou
11. d above Public Currently working or Share a browser Refresh Figure 3 The user manager with the pop up menu showing In figure 3 you can see the pop up menu showing after the username rick was right clicked When you select each of these functions they will open up a new tab containing the component at their correct locations For example if you select to start a private chat a new tab will appear in the chat area with the private chat contained in that chat tab The tab will be positioned right next to the public chat tab The same goes for the editor and the browser The following pictures show how the Cedar interface changes when these functions have been selected and how you can access the new items ee a Prvate char x johann i hey does this private chat work rick I guess so Figure 4 This figure demonstrates where a private chat window is placed CEDAR v 00072 johann Private browser Back FORWARD STOP Ae ht E co http fun google com wideis edujycs LoS bran Alterm an 1 groupware developed te system of an IWS One part play devices Ws tools and t Web Images Groups News Froogle LocalNew e design of th E ISeP wwor Google Search l m Feeling Lucky 1 called Ceda t building we Advertising Programs Business Solutions About Gr borderina tact informa 2005 Google Figure 5 This figure demonst
12. e browser and below it the page that the user is visiting is rendered Private browser BALE FORWARD i STOP HOME OO https win google com Google Figure amp This figure shows the basic layout of the browser 4 Editor The editor provided in Cedar is a basic text editor This is the component that the group members use to edit web pages The editor is very simple It divides into the editing pane users type in the wiki text into this pane and then at the bottom of the editing pane there is a small toolbar with two buttons Group for Research on Usability and Pragmatics Welcome to our lab page GROUP is aresearch group atthe http swawwecs brandeis edu cs ndex html Department of Computer Science at http Seana brane 6 du Brandeis University led by Professor Richard Alterman ampamp ampamp ampamp am piam pam pltistyle border na tamppi atl piam pampam p am piam piam piam pigti a R O U F labl am pampam pampam piam piam piam piam Eilt style border no GET POST Figure 9 This figure shows the editor in action It is possible to open up a shared editor similar to the shared browser In the shared editor you can watch the edits that a group member is making but you cannot interact with his editor it is read only The shared editor will open up in a new tab with the remote users username as the title right next to your default editor For
13. eeeeeeaeeeeseeeeeeeeaaaas 13 UIT OC CO AE disisian a a a a R 15 PHT CUISIUCS meneo o N E E E O E E L 15 Microsoft Windows USCIS ccck sto oesie EA E E E aust ace 15 Linux C US iS enesenn a G 15 Ronmie Decnyironneni yas A 16 Microsoft Windows USET S iusirirani a TA 16 Linux Mae USCIS ena ta E E E AS eset 18 HOW TOI aene a N OR 19 How to edit an already existing wiki page nnnnnnnnnssssoeeenssssssssseressssssseeereeoo 19 How to update the content of a wiki page I was editing eccecceccceseeeeeeeeeeees 19 How 10 Create a NEW WAKE Pa Ce itso si tah cee eee epee ata ned tat adeno 19 HOw O Start a private CNAs esset soso eda atest asta aden eee 20 How to Open pa Shared DrOWSEN aiurea NA 20 How to open op a Shared CitOr cc eecccccccsssseeccceceeeeeeceeaeeeecceeaaeeccceeeueneeeeeaas 20 How to get details about wiki pages in OVELVICW cceccccceceseeeeececeeeeeeeeeeeeas 20 How to rearrange the pages in MY OVETVICW cccccccccccceceeeeeeeseeeesceeeeeeeeeaaaas 20 How to create links between two pages in the Overview ccccccceeeseeeeeeeees 21 Introduction This document is a user manual for Cedar which is an experimental platform for asynchronous and synchronous collaborations for building websites Cedar is also an application wrapper around a Wiki website that provides additional collaborative tools e g Wikipedia Cedar is developed using the THYME and Sage toolkits that enable us to automa
14. ere are other end of the url different strategies specified In the required to GET and hostname Please see POST data to different the Allowed wiki types wiki types table for the appropriate value wpe linkpatterns usepatterns This Defines the _ basic determines if links settings for the link should be extracted or detection Links are not necessary for the Overview to work casesensitive Should link detection consider letter cases linkpattern A number type Whether a link Links are parsed from the content using RegularExpressions Changes made to the patterns result in different results displayed in the Overview Table I Required settings for Cedar Allowed Wiki types Wiki type Identifier to use in configuration xml MediaWiki Wikipedia wikipedia MoinMoin wiki moinmoin Table 2 This table summarizes the approved wiki types and the corresponding identifier that should be used in the configuration xmI file 14 lt xml version 1 0 encoding iso 6859 1 gt lt wikiproxy gt lt woe id hostname value http wew johannari net mywiki moin cai gt lt woe id wikitype value moinmoin gt lt woe id Linkpatterns usepatterns yes casesensitive yes gt lt Linkpattern id 6 type internal pattern Squot amp quot gt lt Linkpattern id 1 type external pattern http gt lt Linkpattern id type external pattern
15. his thymeurl YOU WILL HAVE TO REMEMBER THIS VALUE 2 Running the WikiProxy Open the run wikiproxy bat in your favorite editor Find the following section rem The path to the directory that contains Cedar the bat files and sandbox directory SET cedardir c cedar rem Name or ip address of the computer running the Cedar room SET hostname 129 64 46 62 16 Replace the cedardir value with your pathtocedar value like you did in the Cedar room Replace the value 129 64 46 62 with the thymeurl You can also use the hostname of the computer if you know it Save the run wikiproxy bat file open up a new command prompt and cd into the pathtocedar directory and run the following command run wikiproxy bat 3 Running the Cedar client Open the run cedar client bat in your favorite editor Find the following section rem The path to the directory that contains Cedar the bat files and sandbox directory SET cedardir c cedar rem Name or ip address of the computer running the Cedar room SET hostname 129 64 46 62 rem Username for the participating user SET username client Replace the values in cedardir and hostname like you did for the WikiProxy in the previous step Then change the username value client1 to the username you want to use while using the system This is what your group members will recognize you with so use something simple and good e g rick Save the
16. le home johann cedar we will refer to this a pathtocedar Once you have extracted the archive into pathtocedar you should have 3 shell script files run cedar room sh run 15 wikiproxy sh run cedar client sh and one directory sandbox inside pathtocedar 5 Mac users only Download the extra scripts for mac tar gz package from the Cedar website and overwrite the three script files from the original package with the three from the scripts for mac tar gz Assuming the settings have been correctly changed in the configuration xml file you have installed and configured all the prerequisites you can now run Cedar Running the environment Microsoft Windows users 1 Running the Cedar room Open the run cedar room bat file in your favorite editor e g Notepad Find the following section rem The path to the directory that contains Cedar the bat files and sandbox directory SET cedardir c cedar e f your pathtocedar differs from the cedardir value then change it so it matches your setup Save the run cedar room bat file open up a new command prompt and cd into the pathtocedar directory and run the following command run cedar room bat e The second to last line says something like this MSG 1128698553788 Default URL is thyme room node id 129 64 46 62 in tri shell TrisystemShell e We are interested in ip address part of the thyme room node id 129 64 46 62 We will call t
17. lop atoolkit THYME Sar Mp ampamp ampamp Sage for building gre at automatically produce complete transcript other part of the effort is to develop discours hniques Tar modeling the interactions of user hd the representational work they do A thirc een to develop adaptive components that lewe epresentational system forthe purpose of re Document CEDAR Full name http finan johannarinetimywiki moin cgi CEDARE OF asyhchronous and synchronous collabora tes Please see the CEDAR page for details CED Sam Pan pam pam pam pam pampam p am ampamp am pampam pamp ampi ampamp EF n l Eam pampam piam piam p am piam pampam Ga piam pampam pampam pai pam pamp Sam piam p am p am p am p am pamp am p am F Figure 10 The overview in action The yellow box shows how details for each page are displayed The overview uses an algorithm to place its cells one cell represents a wikipage at non overlapping positions in the windows If new pages are being 11 placed in the overview and the overview already contains pages then the algorithm is only applied to the new pages If the overview is being updated because of remote actions e g another group member loaded a page that other users have not loaded still the pages are drawn on the overview and the links but the algorithm is not applied That is because the change occurs because of foreign actions so it would be to interruptive if the overview would change drastical
18. ly The user can always arrange the documents as he she sees fit by clicking on the page and holding the mouse button down while dragging the page around Controlling the Overview It is possible to interact with the Overview in the following ways 1 Change the position of a page Click on the page and hold the mouse button down while you drag the page to the location you want 2 Show page details Hover over the page with your mouse to display detailed information about the page 3 Load wikipage in editor and browser Double click on a page in the Overview and the page will load in the editor and in the browser 4 Create a new wikipage Right click on the Overview and select Create new document That will open up a dialog window where you type in the page name and once you hit OK the page will be loaded in the editor and you can edit the page Once you POST the changes to the server the browser will reload with the new page and the Overview will add the new page to its data structure 5 Rearrange the pages Apply algorithm to all pages Right click the overview and select Arrange documents That will apply the algorithm to all the pages that have been loaded and it will strive to place all documents within the window where none overlap Figure 11 This figure shows the popup menu that appears if you right click the Overview 12 Create document X Name of new document DE Cancel Figure 12 This figure
19. more information on how to open up a shared editor read the User manager chapter Editing Wiki pages When you need to edit wiki pages you start by going to your browser and navigate to the page will be editing Once you have loaded the page into your browser you press the GET button on the editor toolbar That will fetch the content of the wikipage you selected and load it into the editor as shown in the figure above You then make your changes and when you are finished you press the POST button That will post the data changes to the wiki web server Once you hit POST the browser will refresh itself to show you the new version of the page Depending on the changes you made the Overview component might also update itself That is covered in the next chapter about the Overview 5 Overview The purpose of the Overview is to provide an overview of the project that the group is working on to visualize the scope of the project by showing the number of pages that have been created for the project and the connections between the pages That information is extracted from the content as the Overview parses the document content in search for information You can also see detailed information about each page by letting the mouse cursor hover over the page in the Overview The Overview updates its data structure if any of the following situations occur 1 The user performed a GET editor and fetched a wikipage from
20. nager that you which to have a private conversation with A new chat tab with the private chat will appear right next to the public chat tab More than two participants Select the participants that will be in the private chat by holding down the Control key and clicking on the usernames Then right click one of the users and select Private chat A new chat tab with the private chat will appear right next to the public chat tab How to open up a shared browser Select the user that has the browser you want to see by clicking on his username in the User Manager Right click the username and select Share a browser A new browser tab with the shared browser will appear right next to your browser tab How to open op a shared editor Select the user that has the editor you want to see by clicking on his username in the User Manager Right click the username and select Currently working on A new editor tab with the shared editor will appear right next to your editor tab How to get details about wiki pages in Overview Locate the page in the Overview Place your mouse cursor for a few seconds over the page and the details will be displayed in a hovering yellow window right next to the page How to rearrange the pages in my overview e Manually Click on a page and hold the mouse button down while dragging the page to the desired location Automatically Right click anywhere on the Overview to display the pop
21. pware We have developed te ology and methods for designing a representational system of an s Login e FrontPage RecentChanges e FindPage 3 Browser een to develop adaptive components that leverage the design of th a HelpContents e presentational system for the purpose of reducing user work m Crow N Currently we are developing an experimental platform called Ceda or asynchronous and synchronous collaborations for building we tes Please see the CEDAR page for details Edit il amp amp amp amp amp amp amp amp amp amp lt style border no Show Changes amp amp amp amp amp amp amp amp amp amp gt Contact informa n l amp amp amp amp amp amp amp amp amp lt style border no Get Info Show Raw Text Yi Do amp ampjampjamp ampjampjamp amp amp amp gt G R O U P lab More Actions SCI ae l 5 Overview Sam p amp amp amp amp amp amp am p am p lt style border no 4 GET Post Croin NOTIFICATION rick has joined Currently workingon __ J0anni whats up Share a browser lActive 1 User manager Refresh how is it goi Send Figure 2 The Cedar client interface The figure above displays a red number and name which relate to the list above Each one of these components interacts with one another and to other components in other clients connected to the same room That interaction is transparent to you the user The following sub chapters will cover each one of
22. rates where a shared browser is placed TERA Rt Rick is editing this page Figure 6 This figure shows where a shared editor is placed 2 Chat The purpose of the chat area is to provide group members with an easy way to communicate with one another By default all group members have a public chat window This window is opened on startup and it cannot be closed All group members can see the chat and can type to the public chat The chat also has a members area to the right This is so that we can list the members in each chat room Cedar does allow private chats This members list comes in handy when you have e g multiple private chats open and you want to know who is in what private chat To open up a private chat you interact with the user manager see the previous chapter The figure below shows the chat in action Public chat NOTIFICATION rick has joined rick hey johanni whats up rowist ot SSS Figure 7 The figure shows the chat in action lf you want to send a text message in either the public chat or a private chat you simply type the text into the input box at the bottom and press send The text will go to the chat room that you have selected visible at the time you send the message For example if you have a private chat tab selected and you press the send button the message you typed in will go to that private chat 3 Browser The browser provides users with access to the world wide web
23. the components in more detail explaining the purpose of the component and how you can interact with it 1 User manager The purpose of the user manager is first of all to list the users that are connected at the current moment to the same room so that all the participants in the group can see who are online and who are not Also the user manager provides each user with a set of functions to interact further with his her group members These functions include 1 Private chat Starting a private chat with one or more users The default chat provided for all users is public meaning that everyone can send and receive messages in the default chat 2 Currently working on See the editor of another group member 3 Share a browser See the browser of another group member To get access to these function you simply need to right click the remote user you wish to interact with All the function except the private chats are one to one The private chats can include N many group members If you would like to start a private chat with 2 other group members you can highlight them both by pressing and holding the Control key and selecting the desired users with the mouse by clicking on their user names To interact with only one group member you simply click his username so that he she is selected and then you right click the username Once you right click the desired username s you will see a pop up menu where you can select the three functions mentione
24. tically produce complete replayable transcripts of online user behavior The purpose of Cedar is to provide a groupware solution that supports research on coordination and sensemaking activities This document will describe the Cedar environment and how Cedar works the user interface and how to use Cedar The document will also cover the configuration settings that need to be adjusted before Cedar can be used Cedar is currently compatible with the following wiki types 1 MediaWiki Tested with Wikipedia www wikipedia org 2 MoinMoin Recommended http moinmoin wikiwikiweb de Cedar is actively being developed at the GROUP Group for Research on Usability and Pragmatic lab at the Department of Computer Science at Brandeis University in Waltham MA For more information about Cedar please contact Johann Larusson johann at cs brandeis edu The Cedar environment Cedar is what we call the front end the client that users use when they want to collaborate on building websites HTML or Wiki websites The Cedar client will be covered extensively later in this document However the term The Cedar Environment is equally important to consider since Cedar is in fact more than just the client The name might be confusing Cedar works within an environment that makes it possible to use it as a collaborative groupware solution It is important to familiarize with how the Cedar environment works in order to know how to use Cedar
25. tor Find the following section Name or ip address of the computer running the Cedar room hostname johann Username for the participating user username client1 Replace the value johann with the thymeurl like you did previously Then change the username value client1 to the username you want to use while using the system This is what your group members will recognize you with so use something simple and good e g rick Save the file and close the editor Open up a new terminal and cd 18 into the pathtocedar directory and run the following command sh run cedar client sh When you participate in the work session with your group and you are not running the Cedar room and the WikiProxy then you have to obtain the thymeurl from your groupmember that will run the room and proxy HOW TO list How to edit an already existing wiki page Method 1 e Navigate to the page in your browser by typing in the url Once the page has loaded hit the GET button in the editor toolbar The page will load in the editor and Overview Method 2 e Double click on the page you want to edit in the Overview That will fetch the page and load it into the editor and browser How to update the content of a wiki page was editing Once you have changed the content click the POST button on the editor toolbar That will send a message to the wiki server to update the page and load the newly modified p
26. up menu Select the Arrange documents and the layout 20 algorithm will try to rearrange the pages without overlap How to create links between two pages in the Overview Open the page that is supposed to link to another page by following the How to edit an already existing wiki page step in this guide Add a link to the other page in the editor Follow the How to update the content of a wiki page was editing step 21
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