CSW with GeoNetwork - NETMAR - Nansen Environmental and
Contents
1. cxuEe lt name gt main db lt name gt lt provider gt jeeves resources dbms DbmsPool lt provider gt lt config gt lt user gt myUsername lt user gt lt password gt myPassword lt password gt lt driver gt com mysql jdbc Driver lt driver gt lt url gt jdbc mysql localhost myDatabase lt url gt lt poolSize gt 10 lt poolSize gt lt config gt lt resource gt This config xml modification was tested in GeoNetwork 2 6 4 Please ensure Tomcat is shut down when making these changes Starting GeoNetwork 2 6 4 required for Jetty If you installed GeoNetwork using the embedded Jetty and successfully configured the database then you can start GeoNetwork On Windows click Start Server under Start gt Programs gt GeoNetwork opensource Or from the Windows command line by typing sh start geonetwork bat in geonetwork bin directory Under UNIX you can start GeoNetwork from the command line by typing sh start geonetwork sh in geonetwork bin directory Once started can take up to 1 minute you can access GeoNetwork in your web browser at e http localhost 8080 geonetwork Stopping GeoNetwork 2 6 4 required for Jetty If you installed GeoNetwork using the embedded Jetty you can stop GeoNetwork on Windows by clicking 2012 NETMAR Consortium 9 EC FP7 Project No 249024 NETMAR Deliverable D7 9 2 ICAN semantic interoperability cookbooks Part 3 Start Server under Start gt Programs gt Geo2. 1 Responses to NETMAR internal review 2 0 Comments from ICAN community 1 0 2011 December 23 2012 NETMAR Consortium 14 EC FP7 Project No 249024
3. NETMAR Deliverable D7 9 2 ICAN semantic interoperability cookbooks Part 3 lt gmd MD Metadatas lt gmd title gt lt gco CharacterString gt General Bathymetric Chart of the Oceans GEBCO 08 Grid lt gco CharacterString gt lt gmd title gt lt gmd MD Metadata gt lt csw SearchResultss lt csw GetRecordsResponse gt Acknowledgements This cookbook was written for the International Coastal Atlas community under the auspices of the NETMAR Open Service Network for Marine Environmental Data project NETMAR is partially funded by the European Commission under Theme ICT 2009 6 4 ICT for environmental services and climate change adaptation of the Information amp Communication Technologies FP7 Programme Thanks to Roy Lowry of the British Oceanographic Data Centre for supplying the baseline GEBCO metadata example which has been tuned for the NETMAR project This document has been reviewed by and incorporates comments from Peter Walker of Plymouth Marine Laboratory Torill Hamre of the Nansen Environmental and Remote Sensing Center and John Helly of the San Diego Supercomputer Center Thanks to the reviewers for their help in making the document clear and readable Further feedback on this document is welcomed and may be provided by contacting the author whose details are below Document Information Author Declan Dunne Coastal and Marine Research Centre Contact d dunne ucc ie Version 2 1 Date 2012 July 27 Revisions 2
4. for this profile with CQL optional Upon CSW client query requests such CSW catalogues return ISO 19115 or ISO 19119 metadata records implemented using an ISO 19139 XML schema encoding Also upon CSW client query requests the return of Dublin Core encoded metadata is supported by the ISO Metadata Application Profile of CSW The CSW specification defines the mappings between ISO 19115 19119 and Dublin Core CSW Servers A CSW server is software that implements a metadata catalogue with a CSW interface A CSW server may also implement ancillary metadata management functionality such as metadata editing tools harvesting and synchronisation of metadata between distributed catalogues group and user management etc Several CSW servers have been developed Commercial CSW servers include 1 ESRI ArcGIS Server http www esri com 2 Intergraph GeoMedia http www intergraph com 3 MapInfo Manager http www pbinsight com Opensource freeware CSW servers include 1 Constellation http constellation codehaus org 2 Degree http www deegree orq 3 GeoNetwork opensource http geonetwork opensource org 4 Gl cat http essi lab eu cgi bin twiki view Glcat GeoNetwork opensource is recommended and used by the NETMAR project as a CSW server It is open source supports ISO 19115 19119 and ISO 19139 supports the OGC CSW ISO Metadata Application Profile has a strong user community and is used by many government agencies ac
5. 8493d6bd95d93b7e04Fb868Fd568e lt gco CharacterString gt lt gmd fileIdentifier gt lt gmd MD Metadata gt lt csw GetRecordByIdResponse gt CSW GetRecords operation request This operation enables a client CSW application to search for metadata in the catalogue service This example tested against GeoNetwork 2 6 4 requests the CSW server to return full ISO 19139 metadata for any records which contain the word GEBCO_08 note the XML Filter below needs to be URL encoded before pasting into a web browser http netmar ucc ie geonetwork srv en csw SERVICE CSW amp REQUEST GetRecords amp VERSION 2 0 2 amp resultType results amp elementSetName full amp outputSchema http www isotc211 org 2005 gmd amp typeNames csw Record amp constraintLanguage FILTER amp constraint language version 1 1 0 amp constraint lt Filter xmlns http www opengis net ogc xmlns gml http www opengis net gml gt lt PropertyIsLike gt lt PropertyName gt any lt PropertyName gt lt Literal gt GEBCO 08 lt Literal gt lt PropertyIsLike gt lt Filter gt The example below contains the response with an extract of the one ISO 19139 metadata record that was discovered lt csw GetRecordsResponse gt lt csw SearchStatus timestamp 2012 07 26T17 07 29 gt lt csw SearchResults numberOfRecordsMatched 1 numberOfRecordsReturned 1 elementSet full nextRecord 0 gt 2012 NETMAR Consortium 13 EC FP7 Project No 249024
6. NETMAR Deliverable D7 9 2 ICAN semantic interoperability cookbooks Part 3 Bf Network International Coastal Atlas Network Cookbook Establishing a CSW metadata catalogue with GeoNetwork opensource Information Society and Media European Commission r e ee eeoeoee a SEVENTH FRAMEWORK r g aa PROGRAMME e 2012 NETMAR Consortium 1 EC FP7 Project No 249024 NETMAR Deliverable D7 9 2 ICAN semantic interoperability cookbooks Part 3 Table of Contents leiige le Ns o 1g Rapemenene eect nee neo er tee ere en eran eee err nearer eee a ee ore eee et 3 What is a metadata catalogue acct cacdecorece sec tesnteesietnscsiphunnialccadequbacttedsusiunct siete caged teetsistbeaueednsmeenimecant 3 MITEL TS OS VY ics E E E a ava aacaliu anes ecsudewmaatancatesatiniacaatse aduatuasaaeeeans 3 CSW Application PROT SS xo cssccctiancaneruetecevanccustectanceveisstiaberesascdtecuate vay atans giwbesueiiasa tauadaureiraueehioueerCiauedte 3 INES ETE E sat secretes pce eet E EN 4 Installing and configuring GeoNetwork 2 6 4 isco ccscessssscesinssisciscesezanctassdaavetancascunaveassisaanoaimeessacensianenans 5 Installing GeoNetwork 2 6A 2s acuesciacsccngsasesvincguesunuavadcaentaunadotchaninsd aaadavatuesdetacaaqucsiataniaameacttatedetunienae 5 Configuring the database for GEONetwork 2 6 4 0 eeeeecesesseeneeeeeeseeaeeeeeeceeceeceaeeaeeaeeeaeeaeeaeeeaees 6 Configure GeoNetwork for Tomcat Optional 0 cece eeeseses
7. Network opensource Or from the Windows command line by typing sh stop geonetwork bat in geonetwork bin directory Under UNIX you can stop GeoNetwork from the command line by typing sh stop geonetwork sh in geonetwork bin directory GeoNetwork 2 6 4 Administration Once GeoNetwork is up and running an important first time administration step is to change the default GeoNetwork administrator username password which is admin admin The first time you start GeoNetwork login as the administrator and select the Administration link in the tab bar Then reset the administrator password via the User management link For more information on all GeoNetwork 2 6 4 administration features please consult the GeoNetwork manual Adding metadata records in GeoNetwork 2 6 4 There are a number of ways to add metadata records to the GeoNetwork 2 6 4 database You must login with appropriate privileges to add metadata These methods are documented in the user manual A summary of these methods are outlined here 1 Creating a new metadata record with the GeoNetwork metadata editor You can choose this method by first selecting the Administration link in the tab bar and then clicking New metadata Next you need to select an appropriate metadata template The ISO 19139 templates for vector and raster data are preferred Once you select the template you can start editing metadata e g Figure 1 Note when setting up Ge
8. calhost Port 3306 Database myDatabase Username myUserame Password myPassword Figure 1 GeoNetwork GAST DBMS configuration Next we need to initialise this new database for GeoNetwork 2 6 4 by creating tables that are required by GeoNetwork Within the GAST click the Setup link in the left menu and then the Setup button within the main menu Figure 2 This will recreate and reinitialise GeoNetwork s internal tables note this will overwrite and reinitialise existing tables if the database has previously been setup with GAST GAST GeoNetwork s administrator survival tool Configuration Database setup R A Jetty DEMS Once you have configured your DBMS in the configuration dbms panel you have to use this f Management panel to create tables and fill them with initial data Import bY Export Metadata Syne i 11510139 Sseup Database Setup E sample data 3 Migration Old installation Figure 2 GeoNetwork GAST Database setup Note in GeoNetwork 2 6 4 the following error message may appear in a dialog box when setting up the MySQL database for the first time via the GAST tool Error Cyclic reference found relations categories settings languages sources isolanguages isolanguagesDec Regions RegionsDes Users Operations OperationsDes Groups GroupsDes UsersGroups CategorisesDes Metadata MetadataCateg Operat
9. dard A simple Filter encoding example is outlined in a later section of this document CSW Application Profiles While the common interfaces and operations of OGC catalogue services are well defined it is left up to the system developer to define a specific information model for the catalogue service implementation This includes mandatory and optional metadata elements to be incorporated in the catalogue supported query languages available search terms results etc Experience has shown there is no single solution for catalogue services that fits every user s needs Therefore 1 OpenGIS Catalogue Service http www opengeospatial org standards specifications catalog OpenGIS Filter Encoding http Avww opengeospatial org standards filter 3 ISO 19143 2010 Geographic information Filter encoding http Awww iso org iso iso_catalogue catalogue tc catalogue detail htm csnumber 42137 2012 NETMAR Consortium 3 EC FP7 Project No 249024 NETMAR Deliverable D7 9 2 ICAN semantic interoperability cookbooks Part 3 there is a need for application profiles OGC has developed these profiles against CSW version 2 0 2 1 ISO Metadata Application Profile version 1 0 0 2 ebRIM Profile version 1 0 1 3 OWL Application Profile version 0 3 Metadata catalogues that use ISO 19115 and ISO 19119 as its underlying information model should use the ISO Metadata Application Profile of CSW The Filter encoding query language is mandatory
10. e http www bodc ac uk r Point of contact H amp S Organisation British Oceanographic Data Centre Delivery point E Joseph Proudman Building name Position name P Director Delivery point E 6 Brownlow Street Role Custodian p City K Liverpool Figure 1 GeoNetwork opensource metadata editor 3 Batch uploading pre existing metadata from a server side directory You can choose this method by first selecting the Administration link in the tab bar and then clicking Batch Import Next you enter the full directory path located on the server s file system Once activated GeoNetwork will scan this directory and load all metadata records contained in the directory This is a useful method where a user can batch upload numerous pre existing metadata records in one go where these metadata records have typically been created by another tool or script 4 Harvesting pre existing metadata You can choose this method by first selecting the Administration link in the tab bar and then clicking Harvesting management Click Add to configure a new metadata harvesting task GeoNetwork is able to harvest from a number of remote sources 2012 NETMAR Consortium 11 EC FP7 Project No 249024 NETMAR Deliverable D7 9 2 ICAN semantic interoperability cookbooks Part 3 including another GeoNetwork node a CSW server a WebDAV se
11. eeeeceeseseeeeeeaeesessesseeseeeaceaneseetaceaseatees 8 Starting GeoNetwork 2 6 4 required for Jetty eee eeeeseseceeceecesesseeeaeeoesseeeeeseeeaceaseseeeaneentaeees 9 Stopping GeoNetwork 2 6 4 required for Jetty ee ceseseeeeecesceseeseeeaeeseceeseeeeeeaceaneseesaceaneeaees 9 GeoNetwork 2 6 4 Administration cccssicccesscvcescthesteacapsadanteean dd cngateenersiaenanhiaerntatatcauiaiedns 10 Adding metadata records in GeONetwork 2 6 4 ooo ee eccsseesesececeeseeeeseeeeeeceeseseseeceesaseaeseeneaneaeens 10 Examples of COW OPGlaAllONs jsaisixsssicsdccccassigceianessaasdd seats nadennsahbadddodeabiaaieuealeecieeamleldnataaaian 12 CSW GetRecordByld operation request cc csesseseesessseeceseeseceaseseeseneaeesesseseeeseeseceaseoeeeaceaneaes 12 CSW GetRecords operation requeSt seessieeeesisissieisrieisistrsririsissistststtersrsststnerereeesenseerststt 13 Acknowledgements ciiise EAE aE Na 14 D c ment Intormatio Meissie arinen aA AARE NE TAE a A ES 14 2012 NETMAR Consortium 2 EC FP7 Project No 249024 NETMAR Deliverable D7 9 2 ICAN semantic interoperability cookbooks Part 3 Introduction This document provides a tutorial for those who wish to understand CSW Catalog Services for the Web metadata catalogues with a focus on the ISO Metadata Application Profile of CSW It is aimed specifically at members of the International Coastal Atlas Network community and more generally at scientists data managers and system de
12. eoNetwork using the steps outlined in the previous sections then you have a third option to configure for Tomcat 3 Download the geonetwork war file from the GeoNetwork download website This file can be placed in the Tomcat s webapps directory where it will be automatically deployed by GeoNetwork However if you are configuring this deployment with a MySQL database then you still need to create a MySQL database You also need to install the GAST tool independently to initialise this MySQL database Once the database is setup you then need to modify the config xml_ file located in the _ webapps geonetwork WEB INF directory The default McKoiDB RDBMS database must be removed from config xml lt resource enabled true gt lt name gt main db lt name gt lt provider gt jeeves resources dbms DbmsPool lt provider gt lt config gt lt user gt BayACrsQ lt user gt lt password gt Qf7Po9T0 lt password gt 2012 NETMAR Consortium 8 EC FP7 Project No 249024 NETMAR Deliverable D7 9 2 ICAN semantic interoperability cookbooks Part 3 lt driver gt com mckoi JDBCDriver lt driver gt lt url gt jdbc mckoi localhost 9157 lt url gt lt poolSize gt 10 lt poolSize gt lt config gt lt activator class org fao geonet activators McKoiActivator gt lt configFile gt WEB INF db db conf lt configFile gt lt activator gt lt resource gt The following should be inserted in its place KEESOUCES SrHalolecd
13. ionAllowed 2012 NETMAR Consortium 7 EC FP7 Project No 249024 NETMAR Deliverable D7 9 2 ICAN semantic interoperability cookbooks Part 3 This error message can be ignored Please click OK in this dialog box and the GeoNetwork database setup will continue Configure GeoNetwork for Tomcat optional If you wish to deploy GeoNetwork on Apache Tomcat as opposed to the embedded Jetty then you have a number of options If you installed GeoNetwork using the steps outlined in the previous sections then you have two main options to configure for Tomcat 1 Leave the existing GeoNetwork installation in the geonetwork web geonetwork directory and point a Tomcat context file named geonetwork xml to this directory An example geonetwork xml file is lt Context docBase geonetwork web geonetwork privileged true antiResourceLocking false antiJARLocking false gt lt Context gt The context file is usually placed in the CATALINA_HOME conf Catalina localhost directory Make sure that the Tomcat user has the appropriate permissions to access the GeoNetwork installation directory An alternative option is to copy the installation from geonetwork web geonetwork to Tomcat s webapps directory Tomcat will then automatically pick up the GeoNetwork installation Make sure that the Tomcat user has the appropriate permissions to access this copied installation directory If you did not install G
14. m developers who wish to understand better explore and test the engineering details of CSW in more detail using examples Full details of these operations can be referenced in CSW 2 0 2 ISO Metadata Application Profile v1 0 0 CSW GetRecordByld operation request This operation enables a client CSW application to request one or more specific metadata records ISO 19 from the CSW server using their metadata identifiers mapped to the fileidentifier of an 139 document This example tested against GeoNetwork 2 6 4 requests a full ISO 19139 metadata record with an identifier of 64c8493d6bd95d93b7e04fb868fd568e http netmar ucc ie geonetwork srv en csw SERVICE CSWE amp REQUEST GetRecordBylId amp VERSION 2 0 2 amp elementSetName full amp outputSchema csw IsoRecord amp ID 64c8493d6bd95d93b7e04Fb868Fd568e 5 http ww w geonetwork opensource org manuals 2 6 4 eng developer xml_services metadata_xml_services html accessed 19 July 2012 6 http Avww geonetwork opensource org manuals 2 6 4 eng developer xml_services csw_services html accessed 19 July 2012 2012 NETMAR Consortium 12 EC FP7 Project No 249024 NETMAR Deliverable D7 9 2 ICAN semantic interoperability cookbooks Part 3 The example below contains the response with an extract of the requested ISO 19139 metadata record lt csw GetRecordByIdResponse gt lt gmd MD Metadatas lt gmd fileIdentifier gt lt gco CharacterString gt 64c
15. oNetwork you may wish to add the default metadata templates as they are not activated by default This can be done via Add templates under the Administration tab You can also create your own template via the metadata editor In this case when saving the new metadata template in the editor you choose Template from the Type dropdown list 2 Uploading pre existing metadata with the GeoNetwork metadata insert tool You can choose this method by first selecting the Administration link in the tab bar and then clicking Metadata insert You can choose to upload the XML file directly or else to paste the XML contents into a textbox This method is useful for uploading pre existing metadata created by other tools or scripts You can also choose to upload the XML as a metadata template by selecting Template from the Type dropdown list 2012 NETMAR Consortium 10 EC FP7 Project No 249024 NETMAR Deliverable D7 9 2 ICAN semantic interoperability cookbooks Part 3 Firefox EF GeoNetwork The portal to spatial data netmar ucc ie geonetwork srv en metadata edit id 95 e Default efault view Other actions ISO Minimum Cy Parent child metadata Add or update parent metadata section Related service metadata Link service metadata Related feature catalogues Link feature catalogue r Identificati
16. on info XML view Title General Bathymetric Chart of the Oceans GEBCO_ Alternate title E British Oceanographic Data Centre record 1048GEq Date 2011 10 04 Eae Date type Publication x Date 2011 01 25 Ece Date type Creation x Date 2011 01 25 Ece Date type Revision x Code EDMED4285 Codespace http www bodc ac uk Suggestions Abstract The General Bathymetric Chart of the Oceans IGEBCO_08 Grid is a global terrain model for loceans and land at 30 arc second intervals The bathymetric portion of the grid is largely based lon a database of ship track soundings with interpolation between soundings guided by lsatellite derived gravity data Existing gridded bathymetric data sets are included in some areas The land portion of the grid is largely based on the US Geological Survey s SRMT30 data set developed with data from the US r Point of contact H 4 Individual name Unknown Balsay pomt amp oseph Proudman Building Organisation British Oceanographic Data Centre Delivery point E 6 Brownlow Street name Position name M Unknown City R Liverpool Administrative Role Originator x Am Merseyside Postal code L3 SDA Country A United Kingdom United Kingdom Electronic mail lenquiries bodc ac uk address HE a OnLine resource i
17. on the GeoNetwork opensource website e http www geonetwork opensource org manuals 2 6 4 eng users For software developers a detailed developer manual can also be found on the GeoNetwork opensource website e http www geonetwork opensource org manuals 2 6 4 eng developer By default GeoNetwork comes embedded with the Jetty Servlet container However Apache Tomcat version 5 5 is also supported via a custom install GeoNetwork requires an RDBMS database in order to store metadata and ancillary information The default database in GeoNetwork 2 6 4 is an embedded McKoiDB RDBMS database However other RDBMS databases including MySQL PostGreSQL Oracle and generic JDBC Java Database Connectivity connections are supported It is recommended to use a standalone database instead of McKoiDB in a production environment These installation instructions deal with configuring the MySQL database Installing GeoNetwork 2 6 4 Before installing GeoNetwork 2 6 4 please make sure you have a Java Runtime Environment JRE 1 5 0 installed You can use the GeoNetwork Windows installer exe file for the Windows platforms or the platform independent installer jar file for any platform also works on Windows For example to start the graphical installation wizard in Windows double click on geonetwork install 2 6 4 0 exe To run the platform independent graphical installation wizard double click on geonetwork install 2 6 4 0 jar To run the
18. platform independent graphical installation wizard from the command line type 2012 NETMAR Consortium 5 EC FP7 Project No 249024 NETMAR Deliverable D7 9 2 ICAN semantic interoperability cookbooks Part 3 java jar geonetwork install 2 6 4 0 jar Once the wizard is running simply follow the onscreen instructions Configuring the database for GeoNetwork 2 6 4 After GeoNetwork 2 6 4 is installed we next need to configure the GeoNetwork database For these installation instructions we are using MySQL You can download the open source MySQL Community Server from the MySQL website http dev mysql com downloads Alternatively on UNIX systems you may be able to download and install MySQL Community Server via a UNIX distribution stream Once you have successfully installed the MySQL server next you can create a dedicated database for GeoNetwork 2 6 4 e g by using the following commands MySCllL Ul wee 9 create database myDatabase CREATE USER myUsername localhost IDENTIFIED BY myPassword GRANT SELECT INSERT UPDATE DELETE CREATE INDEX DROP ON TO myUsername localhost To start configuring the GeoNetwork database we need to run GeoNetwork s GAST software GeoNetwork s Administrator Survival Tool GAST is a standalone Java application It performs administration tasks such as the configuration of the JDBC connection to the RDBMS database database initialisation etc More detailed information on GAST can be fo
19. ross Europe to support the implementation of the INSPIRE Directive For static metadata it is recommended to use GeoNetwork as an editing tool unless specific organisations have special requirements which require the use of an alternative tool For more OpenGIS Catalogue Services Specification 2 0 2 ISO Metadata Application Profile Version 1 0 0 OGC 07 045 2012 NETMAR Consortium 4 EC FP7 Project No 249024 NETMAR Deliverable D7 9 2 ICAN semantic interoperability cookbooks Part 3 dynamic metadata which needs to be automated in a processing chain it is recommended that a data provider use alternative tools or scripting programming languages to automate metadata production However for such dynamic metadata production environments GeoNetwork can still be utilised as a CSW server Guidance notes regarding the installation and configuring of GeoNetwork are outlined in the next section Methods for metadata ingestion into GeoNetwork are also included Installing and configuring GeoNetwork 2 6 4 This section contains some guidance notes regarding the installation and configuring of GeoNetwork opensource version 2 6 4 aimed at system developers GeoNetwork is an open source implementation of the CSW 2 0 2 ISO Metadata Application Profile 1 0 0 standard It can run on Microsoft Windows Linux and Mac OS X The latest version can be downloaded from e http sourceforge net projects geonetwork A detailed user manual can be found
20. rver an OAI PMH server a local file system etc You can decide to schedule the harvesting task e g every hour every week etc or just run a once off harvest Harvesting is a useful method for collecting remote metadata and storing them locally for faster access It is also a useful method for the automatic pulling of local file system metadata into the catalogue where this metadata is being dynamically produced by an independent processing chain XML services advanced GeoNetwork provides access to several functionalities through the use of XML web services These web services support the insertion of metadata records into the GeoNetwork database There are two main methods Metadata Service and CSW Service With the Metadata Service metadata can be added using the metadata insert operation With the CSW Service metadata can be added using the CSW Transaction operation The CSW Service is more standards compliant as it uses the OGC CSW 2 0 2 specification These two metadata insertion methods are useful for the automatic pushing of metadata into the catalogue by a processing chain where this metadata is being dynamically produced by the same processing chain These two methods require software developer skills to implement Further details with examples are documented in the developer manual Examples of CSW operations This section gives examples of the CSW GetRecordByld and GetRecords operation requests aimed at syste
21. und in the GeoNetwork user manual To start GAST on Windows simply click Start GAST under Start gt Programs gt GeoNetwork opensource GAST can also be started by double clicking on gast jar in the geonetwork gast directory GAST can also be started from the command line by typing java jar gast jar in geonetwork gast directory Next we need to configure and connect GeoNetwork to this new database Once GAST is running click the DBMS link Figure 1 In this example we configure GeoNetwork to connect to the MySQL database that we created previously Then click the Save when finished 2012 NETMAR Consortium 6 EC FP7 Project No 249024 NETMAR Deliverable D7 9 2 ICAN semantic interoperability cookbooks Part 3 GAST GeoNetwork s administrator survival tool h Configuration DBMS configuration h Jetty DEMS This panel allows you to change the DBMS you want to connect to Here you can change only the h Management configuration You have also to create the schema and populate the database You can do that 9 Import hrough the database setup panel Ifyou select the embedded database and its data files are not 9 Export here for example because you just checked out from the subversion repository the save button 9 Metadata Sync ill also create them and generate a new random account 115t0139 lt Database E setup DBMS MySOL E Sample data _ 3 Migration B Old installation Server lo
22. velopers Included in this document is a description of a metadata catalogue the CSW standard and a list of selected CSW severs The document also contains initial pointers to establishing a CSW server using GeoNetwork opensource and examples of selected CSW query operations aimed at system developers GeoNetwork is recommended and used by the NETMAR project What is a metadata catalogue A metadata catalogue stores and publishes collections or sets of metadata records describing data services and related information resources A user can search for and discover these resources within the metadata catalogue Distributed metadata catalogues enable searching of metadata catalogues across the Internet between organisations What is CSW Standards are required to enable interoperable searching of distributed metadata catalogues between organisations This is achieved using the CSW Catalog Services for the Web standard CSW is an OGC Open Geospatial Consortium specification that defines common interfaces and operations to query and retrieve metadata contained in metadata catalogues It enables a client application to search or query metadata across organisational boundaries Formal query languages supported by CSW are Filter encoding and CQL Common Query Language Filter Encoding is an XML encoded query language while CQL is a text encoded query language which attempts to be more human readable Filter encoding is a joint OGC and ISO stan
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