Mutualization of environmental data and knowledge
•Télécharger en tant que PPT, PDF•
0 j'aime•47 vues
Mutualization of environmental data and knowledge
Recommandé
Recommandé
Contenu connexe
Similaire à Mutualization of environmental data and knowledge
Similaire à Mutualization of environmental data and knowledge (20)
Plus de Desconnets Jean-Christophe
Plus de Desconnets Jean-Christophe (20)
Dernier
Dernier (20)
Mutualization of environmental data and knowledge
- 1. 1 Mutualization ofMutualization of environmental data andenvironmental data and knowledgeknowledge J.C. DesconnetsJ.C. Desconnets T. LibourelT. Libourel I. MougenotI. Mougenot
- 3. 3 Common aspects Multi-disciplinarity Multi-actor • Context • Objectives • Approach • Platforms • Conclusion Varying competence domains Concepts Property and Intellectual Property Different points of view Cooperation Environmental Monitoring and Management
- 4. 4 Projects … • Heritage • ‘Integrated’ management • Monitoring, follow-up... observatories • Encourage cooperation • Help in decision making • Context • Objectives • Approach • Platforms • Conclusion Environmental Monitoring and Management
- 5. 5 Projects … • Context • Objectives • Approach • Platforms • Conclusion Environmental Monitoring and Management Roselt/Oss Network of observatoires for long-term ecological monitoring Syscolag Integrated management of the L-R coast Padoue Mediation of environmental data Wademed Management of irrigated areas Ontotrait
- 6. 6 • Context • Objectives • Approach • Platforms • Conclusion ‘Improved communication of environmental information for better participation and and involvement of actors.’
- 7. 7 Postulates • Context • Objectives • Approach • Platforms • Conclusion Data + Context Information Information + Analyses Understanding Understanding + Communication Optimization of decision making Possibility of sustainable development How to easily locate data? How to best understand the expression of its context? How to best interpret the associated expertise? How to render all this accessible and readable? [Loubersac 2004]
- 8. 8 Facilitating information exchange and sharing •Standards for sharing, distribution Interoperability •Associating usage and specifications ‘Semantic’ interoperability • Context • Objectives • Approach • Platforms • Conclusion
- 9. 9 Unavoidable stages • facilitating localization of resources and access to them … • facilitating dialogue between actors The Systems • Context • Objectives • Approach • Platforms • Conclusion
- 10. 10 Approach • Data mutualization • Knowledge mutualization Metadata use Constructing models thesauri bases thematic, spatial, business • Context • Objectives • Approach • Platforms • Conclusion
- 11. 11 Why metadata? • Context • Objectives • Approach • Platforms • Conclusion Data mutualization • Representing information relating to data • Using a ‘common language’ • Help in searching
- 12. 12 Role of metadata • Context • Objectives • Approach • Platforms • Conclusion Data mutualization For the producer management, description, promotion tool For the user evaluation of the relevance, meaning and quality For the administrator control, protection …
- 13. 13 Data mutualization • Context • Objectives • Approach • Platforms • Conclusion Metadata Service Resources Site 1 Resources Site 2 Resources Site n Knowledge access level Federated distribution level Metadata Metadata Resources level Infrastructure
- 14. 14 Features of the service • Referencing Entering and updating metadata manually or semi-automatically • Publishing Making metadata available (and the referenced sources) • Browse, consult (and acquire) via a query interface • Context • Objectives • Approach • Platforms • Conclusion Data mutualization
- 15. 15 Emergence of ISO 19115 – geographical metadata TC/ 211 of the ISO Standards organizations and countries adopt the standard OpenGIS FGDC CEN AFNOR ISO 19115 Metadata • Context • Objectives • Approach • Platforms • Conclusion Data mutualization
- 16. 16 • Context • Objectives • Approach • Platforms • Conclusion Data mutualization Organization into sections identification, quality, spatial organization, … Organization into three abstraction levels basic, extended, complete Adaptation profiles définit 1..1 0..* comporte0..* 0..1 inclut 0..* fille 1..1 mère NormeRubriqueElément valué Generic structure
- 17. 17 Levels of detail (granularity) Collection Document Entities Attributes Land use maps Land use map 2003 Value corresponding to an information element e.g.: “grapevine”, 300 ha Value corresponding to an information element e.g.: “grapevine”, 300 ha Occupation class, surface area, … Occupied area Data mutualization • Context • Objectives • Approach • Platforms • Conclusion
- 18. 18 Collection Document Entities Attributes Value corresponding to an information element e.g.: “grapevine”, 300 ha Value corresponding to an information element e.g.: “grapevine”, 300 ha official name no. of documents scale reference system official name no. of documents scale reference system official name date of last update reference system official name date of last update reference system name definition name definition name definition value domain measurement unit name definition value domain measurement unit METADATA Occupation class, surface area,… Levels of detail • Context • Objectives • Approach • Platforms • Conclusion Data mutualization
- 19. 19 Knowledge mutualization • Context • Objectives • Approach • Platforms • Conclusion Metadata Service Resources Site 1 Resources Site 2 Resources Site n Knowledge access level Federated distribution level Metadata Metadata Resources level Infrastructure Knowledge Reference bases
- 20. 20 Two basic tools • Controlling the vocabulary thematic and spatial ontology and thesauri • Controlling spatial objects spatial-objects bases Knowledge mutualization • Context • Objectives • Approach • Platforms • Conclusion
- 21. 21 • Context • Objectives • Approach • Platforms • Conclusion Knowledge mutualization Ontology of the domain Term borrowed from philosophy Study of what is For us: • Identifying, modeling a domain’s concepts and the relationships between concepts • Agree on the terms used to refer to these concepts • The object formalism is a ‘good’ candidate …
- 22. 22 • Context • Objectives • Approach • Platforms • Conclusion Knowledge mutualization ICZM Ecosystems Society Water AirSoil Flora-fauna Activities and uses Economic activities Social and cultural activities Public policies Infrastructure Administrative org. Networks Exploitation of fishing resources agriculture bottom lines trawl Sea waters Continental waters Geomorphology Fishing Shellfish farming Marine fauna Hake Lagoon waters Continental shelf Development Common construction …
- 23. 23 • Context • Objectives • Approach • Platforms • Conclusion Knowledge mutualization Controlling the meaning of key elements of the system. Help in automatization. Help in browsing. Help in widening of search queries. Necessary for …
- 24. 24 • Context • Objectives • Approach • Platforms • Conclusion Knowledge mutualization QuickTime™ et un décompresseur BMP sont requis pour visionner cette image. [Barde 2006]
- 25. 25 • Context • Objectives • Approach • Platforms • Conclusion Help in searching The interfaces Knowledge mutualization Guided search The ‘spatial’ as an explicit aid Criteria Where, When, On what?
- 26. 26 • Context • Objectives • Approach • Platforms • Conclusion The interfaces Knowledge mutualization From the hake, browsing links or expansion of the search to: • the actors associated in the role of exploitation: (‘RT exploitation’) • the habitat zones (‘RT habitat’) Use the thesaurus relationships - generic/specific - RT
- 27. 27 The platforms • Context • Objectives • Approach • Platforms • Conclusion • Design – Components and services approach – Based on Java JEE – Ensures use of GeoAPI - Geotools conforming to OGC/ISO specifications – Genericity/interoperability • Adaptability – Storing and use of reference bases of the target domain – Data model capable of constructing a catalogue according to various standards (ISO, Dublin Core, SensorML, Thredds, etc.) MDweb: an open source project
- 28. 28 The platforms • Context • Objectives • Approach • Platforms • Conclusion Portal request responses Entry/SearchEntry/Search Metadata catalogue Import/export module Web client Geographic objects reference base Thesaurus Postgres/PosGis PHP, XML, SVG Apache server
- 29. 29 The platforms • Context • Objectives • Approach • Platforms • Conclusion Standard s Templates/Profil es MD’s DB for community 1 Translation into XML DTD Catalogue of standards Interface for creating/modifying templates (profiles)
- 30. 30 Perspectives Increase inter-community experiences - combine metadata - exchange expertise (specifications, uses, ...) - access to resources based on rights • Context • Objectives • Approach • Platforms • Conclusion Leading to architectures of mediation for data integration
- 31. 31 Recent publications • Context • Objectives • Approach • Platforms • Conclusion R. Kissi, JC Desconnets,T. Libourel: Intégration de données hétérogènes pour un Système d’Aide à la Décision environnemental, InforSID 2008 JC. Desconnets, T. Libourel, S. Clerc, B. Granouillac Cataloguing for distribution of environmental resources, In Proceedings AGILE 2007 N. Mazouni , L. Loubersac, H. Rey-Valettes, T. Libourel, P. Maurel, J-C. Desconnets. SYSCOLAG: A Transdiciplinary and multi-Stakeholder approach towards integrated Coastal Area Amenagement. An experiment in Languedoc-Roussillon (France), In Life and Environment, 2006, 56 (4): 265-274 J. Barde, T. Libourel, P. Maurel: A metadata service for Integrated Management of Knowledges Related to Coastal Areas. Multimedia Tools and Applications, vol 25, no. 3, 2005, pp 419-429 Y. Lin , T. Libourel, I. Mougenot Workflow language for the experimental sciences, ICEIS 2009
Notes de l'éditeur
- <number>
- <number>
- <number>
- <number>
- <number>
- <number>