1. GeoNetwork,
The Open Source Solution
for the interoperable management
of geospatial metadata
Ing. Simone Giannecchini, GeoSolutions
Jeroen Ticheler, GeoCat
Ing. Emanuele Tajariol, GeoSolutions
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2. GeoSolutions
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GeoSolutions & GeoCat
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GeoNetwork Introduction
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History
Software Features
Standards
Architecture
User Interface
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INSPIRE
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RNDT
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3. GeoSolutions
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Founded in Italy in late 2006
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Expertise
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Supporting/Developing FOSS4G projects
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Image Processing, GeoSpatial Data Fusion
Java, Java Enterprise, C++, Python
JPEG2000, JPIP, Advanced 2D visualization
MapStore
GeoServer
GeoNetwork
GeoBatch
ImageIO-Ext
Focus on Consultancy
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agencies, large private companies, etc…
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4. GeoCat
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5. GeoNetwork
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(GeoSpatial) Catalog
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Repository
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Registry of Metadata
Enterprise Search Appliance
GeoPortal
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SDI entry point
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Information Broker
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Metadata Editor
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Standards Based
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Implemented with Java Enterprise technologies
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6. Technologies
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Java Enterprise
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Apache Lucene for speed light search
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Support for different backends
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MYSQL, Oracle, Postgresql, etc..
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XSL Templates for flexible presentation
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XML Schema
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Metadata Validation and Editing
Support for Enterprise Security
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LDAP
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Shibboleth
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7. Standards
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ISO TC 211
 19110:2005
 19115:2003
 19115:2005
 19119:2005
 19139:2007
 23950/Z39.50
OGC
 CSW 2.0.2 (ISO
Profile)
INSPIRE
 Discovery Service
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Others
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FGDC
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OpenSearch Geo
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RSS/GeoRSS
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WebDAV
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OAI-PMH
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Dublin Core
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8. GeoNetwork: features (1)
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Search capabilities to access local and distributed
geospatial catalogues
Up- and downloading of data, graphics, documents, pdf
files and any other content type
An interactive Web Map Viewer to combine Web Map
Services from local and distributed servers around the
world
On-line editing of metadata with a powerful template
system
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XSD schema and schematron validation of metadata
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Native support for international metadata standards
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Multilingual metadata support for the ISO19115/19119/19110
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9. GeoNetwork: features (2)
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INSPIRE advanced search option
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Data and metadata export/import procedures
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Scheduled harvesting and synchronization of metadata
between distributed catalogues (GeoNetwork, CSW,
Z39.50, OGC WxS, WebDav, Thredds, OAI-PMH)
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Support CSW 2.0.2 ISO Profile, OAI-PMH, Z39.50 protocols
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Administration of groups and users through Web interface
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Multi-lingual user interface
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Data updates dissemination via RSS news feeds and as
GeoRSS
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10. Standards
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Metadata
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OGC CSW 2.0.2 ISO Profile
OAI-PMH
Z39.50
Geo-OpenSearch
GeoRSS
WebDAV
Web Mapping Client
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RSS & GeoRSS newsfeeds
XML + XSL
EXCHANGE
FORMATS
Catalogue interfaces
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•
COMMON
LANGUAGES
Export/Import
–
•
ISO19115:2003, ISO19119:2005, ISO19110:2005,
ISO19139:2007
FGDC, Dublin Core
OGC standards for WMS, WMC
Web Map Server (through GeoServer)
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WMS, WFS, WFS-t, WCS, KML
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CATALOGUES/
WEB SERVICES

11. Architecture
Frontend - UI
Search
Lucene
index
Metadata
registry
Edit
View map
GeoServer
Spatial data
repository
Backend - GeoNetwork
Backend - GeoServer
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12. Registry
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Manage, Publish and
Search collections of
metadata about Data,
Services and related
information
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ISO 19115  Metadata about
Data
ISO 19119  Metadata about
Services
Enterprise Unique
entry point
Act as a Broker (SOA)
Can work in federation
Multilingualism
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13. Repository
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GeoNetwork can be used as a repository
for the data it describes
Authorization on data are independent from
authorization on related metadata
Easy-to-use editor controls to upload data
and set automatically the onLineResource
URL
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14. Registry - Federation
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Multiple Registries for Multiple Enterprise Clouds
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Different data/services
Different Organizations
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Federation reduces complexity
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Available Paradigms
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Harvesting
 Synchronized Local Copy of remote Metadata
Remote Search
 Federating node as NoCache proxy for queries
GeoNetwork supports both
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15. GeoNetwork
OGC Portal Reference Architecture
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16. Architecture
• Desktop and server versions running on any
platform
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Windows, Linux, Mac OSX
• Java Application using
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–
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XML+XSL
Lucene (Apache Project for XML file indexing)
Jeeves (Open Source project for XMLDB interface)
Java
Application
Jetty
(Desktop),
Template Tomcat
GeoNetwork
XSL
McKoi (Desktop),
MySQL, Oracle
Indexing
DB
Jeeves
Lucene
(DB  XML)
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17. Metadata harvesting
Multiple paths
to same
source
Loops
Hierarchical
harvesting
GeoNetwork
Nodes
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18. Enterprise GeoPortal
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User Friendly Search/View
GeoPortal
Customizable Presentation
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Search Forms
Results Presentation
Based on XSL templates
Embedding in third party sites
Integrate with A&A layers
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Different views for different
roles
Metadata Profiling
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19. Enterprise GeoPortal
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Metadata Profiling
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Authentication
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Internal user management for smaller deploys
LDAP integration
Shibboleth integration (federated SSO)
Authorization
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User groups (grants on metadata) - customizable
User profiles (grants on operations) - fixed
Metadata access authorization is fine grained at group
level
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20. User interface/Home page
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21. Web user interface/Search
Simple/local search
Advanced search
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22. Web user interface/Search
Inspire-based search options
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23. Web user interface/Search results
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24. Web user interface/Metadata Display
Metadata
summary
Metadata
details
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25. Web user interface/Search results
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26. Web user interface/Search results
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27. Web user interface/Search results
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28. Embedded Web Map Client
Web user interface/Web map viewer
Map viewer
opened
Layer tree
section
Map toolbar
Add data layer
(layers toolbar)
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29. Google Earth Support
View in
Google Earth
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30. Administration section
Administration
Login/Logout
Add new metadata
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31. Metadata editor/Default View
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32. Metadata editor/XML View
Full ISO metadata support
ISO19115:2003 / ISO19139:2007
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33. Metadata editor/Categories assignment
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34. Metadata editor/Data upload
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35. Metadata editor/Privileges assignment
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36. Harvesting management
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37. Localization Support
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38. Metadata Editor
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Terms and Rules from ISO 19115 and 19119
Encoding in 19139, FGDC and Dublin Core
Intuitive Web-Based Editor with Validation
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Distribution Section
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Reference System Section
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Data Quality Section
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Identification Section
Metadata Section
Highly Customizable
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Presentation
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Validation
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39. Metadata Editor
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Additional capabilities
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Extensible Templates’ set
 Visual Validation
 Extensive online resource
management (WMS, File
download, etc..)
 Additional Metadata Linking
(dataset/service, parent/child,
feature catalog/dataset
metadata)
 Role assignment for
presentation profiling
 Multilingual Support
Batch Import/Insert from XML
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40. INSPIRE: about
The INSPIRE directive aims to create a European Union (EU)
spatial data infrastructure.
This will enable the sharing of environmental spatial information
among public sector organisations and better facilitate public
access to spatial information across Europe.
The INSPIRE directive came into force on 15 May 2007 and will
be implemented in various stages, with full implementation
required by 2019.
Institutional site: http://inspire.jrc.ec.europa.eu/
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41. INSPIRE: about
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Infrastructure for Spatial Information in the European
Community
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Implementing Rules and Technical Guidance to implement
EU-wide Interoperable SDIs
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IR are legally binding
TC are not legally binding
Main Aspects Covered
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2007/2/EC Directive, 14/03/2007
Fully in place by 2019
Metadata
Network Services
Data and Service Sharing
Data Specification
Monitoring and Reporting
Maximum Reuse of existing standards (OGC, ISO, W3C)
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42. INSPIRE: Who does What
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Discovery service  GeoNetwork
View, Download, InvokeSD, Transformation
Service  GeoServer
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43. INSPIRE: discovery services
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Discovery of spatial dataset and services
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Provide operations on services
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query about service capabilities
register other federated Discovery Services
Provide operations on metadata
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search
update (both push and pull modes),
perform federated searches
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Based on Metadata specs from ISO
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TG requires CSW 2.0.2 ISO AP as starting point
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44. INSPIRE: discovery services in GeoNetwork
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GeoNetwork implements CSW 2.0.2 ISO Profile
INPIRE extended constraints in metadata should be
explicitly enabled in GeoNetwork
Complies with almost all main requirements in Metadata
Implementation and Discovery Services
Main compliancy issues in:
 Handling federated catalogues
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Federated metadata retrieving
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in Discovery Service Metadata and Link Discovery Service
operations
no CSW, only Z39.50
Publishing in pull mode
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matching CSW Harvest operation in GN is not stable yet
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45. INSPIRE and ISO19115/19139
INSPIRE supported metadata are based on
• ISO19115/19139 (metadata)
• ISO19119 (services)
There are some differences in constraints on metadata
elements between ISO19115 and INSPIRE.
The use of the INSPIRE guidelines to create INSPIRE
metadata ensures that the metadata is not in conflict
with ISO 19115. However, full conformance to ISO
19115 implies the provision of additional metadata
elements which are not required by INSPIRE.
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46. INSPIRE support in GeoNetwork
• Editing view that underlines INSPIRE required
elements
• Easy check and insertion of INSPIRE required
elements
• Schematron rules to check for INSPIRE conformance
• Search using INSPIRE codelists
• Extended CSW queryables fields to match INSPIRE
requirements
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47. RNDT: about
• RNDT («Repertorio Nazionale dei Dati Territoriali») is
the Italian national metadata catalog - instituted in
2005 and managed by DigitPA - whose purpose is to
facilitate the dissemination of the data of general
interest, available in the public administration
agencies at different levels.
• RNDT is based on ISO19115, 19119 and 19139
standards.
• Conformance to the RNDT metadata standard should
ensure conformance to INSPIRE guidelines
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48. RNDT support in GeoNetwork
GeoSolutions’ first work with RNDT was with a
GeoNetwork customization for CSI Piemonte.
Issues:
• Some RNDT interpretations of ISO19139 differ from
GeoNetwork standard implementation.
• Some constraints in RNDT are looser than ISO19139
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49. RNDT support in GeoNetwork
Search on PSR thesaurus
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50. GeoNetwork 2.8
What’s new
• Metadata versioning
• Subtemplates
• GeoServer publishing integration
• Pluggable metadata schemas
• Improved database connection pooling
• Virtual CSW endpoints
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51. GeoNetwork 2.10
What’s new
• Redesigned User Interface
• Metadata profiles plugin support
• New Admin UI
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52. GeoNetwork 2.10
Admin UI
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53. GeoNetwork 2.10
System Status
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54. GeoNetwork 2.10
Search Statistics
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55. GeoNetwork 2.10
Content Statistics
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56. GeoNetwork 2.10
Harvester Configuration
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57. http://metadata101.org
• A location to collect, develop and maintain metadata
profiles
• Easy collaboration
• Github repository
• Versioning
• Permissive licensing to allow incorporation in open
source and proprietary software
•  Perfect fit for RNDT
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58. Real World Use Cases:
City of FIorence OpenData Portal
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59. Real World Use Cases:
LaMMa Consortium
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60. Real World Use Cases:
County of Bozen
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61. Real World Use Cases:
Danish Ministry of the Environment
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62. Real World Use Cases
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63. Real World Use Cases
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64. The End
Thanks!
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