The Rhizomer Semantic Content Management System
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The Rhizomer semantic content management system is designed to improve information architecture using semantic web technologies, focusing on user interaction and metadata management. A key use case discussed is the S5T project, which enhances the semantic search of audiovisual content for the Segre Media group. Future work involves integrating user-assisted metadata editing and extending the platform's functionality.
![Introduction Difficult to manage Information Architecture with current CMSs/Wikis Use Semantic Web technologies Semantic CMSs/Wikis don ’t fully exploit them: Most semantic wikis focus on page annotation, limited reasoning, no import... Drupal RDF Module a Drupal extension, though Drupal 7 based on SWT [1] [1] Buytaert, D.: DrupalCon Boston 2008: State of Drupal presentation. http://buytaert.net/files/state-of-drupal-2008-boston.pdf Rhizomer Semantic Content Management System](https://image.slidesharecdn.com/rgjmgfprgmowsks08-1222373208943964-8/85/The-Rhizomer-Semantic-Content-Management-System-4-320.jpg)
The Rhizomer Semantic Content Management System
- 1. Rhizomer Semantic Content Management System Roberto García, Juan Manuel Gimeno, Ferran Perdrix*, Rosa Gil, Marta Oliva HCI and Data Integration Research Group Universitat de Lleida, Spain *Segre Media, Spain
- 2. Contents Introduction The Rhizomer Platform Use Case: S5T Project Conclusions & Future Work Rhizomer Semantic Content Management System
- 3. Contents Introduction The Rhizomer Platform Use Case: S5T Project Conclusions & Future Work Rhizomer Semantic Content Management System
- 4. Introduction Difficult to manage Information Architecture with current CMSs/Wikis Use Semantic Web technologies Semantic CMSs/Wikis don ’t fully exploit them: Most semantic wikis focus on page annotation, limited reasoning, no import... Drupal RDF Module a Drupal extension, though Drupal 7 based on SWT [1] [1] Buytaert, D.: DrupalCon Boston 2008: State of Drupal presentation. http://buytaert.net/files/state-of-drupal-2008-boston.pdf Rhizomer Semantic Content Management System
- 5. Contents Introduction The Rhizomer Platform Use Case: S5T Project Conclusions & Future Work Rhizomer Semantic Content Management System
- 6. Rhizomer Platform for Semantic Content Management and Human-Semantic Web Interaction Based on Web 2.0 technologies Client (AJAX) / Server (REST) Web 3.0 data model Semantic metadata store: RDF(OWL) / SPARQL Generic metadata browsing HTML + Javascript Object-Action Interaction Paradigm Semantic Web Services Rhizomer Semantic Content Management System
- 7. Rhizomer Server part: REST interface over the repository Jena, Sesame,… GET : SPARQL end-point PUT/POST/DELETE : RDF metadata management Semantic Web Services OWL-S descriptions Service Profile: Process, hasInput, hasOutput REST adapters for Javascript APIs (e.g. Google Maps), SOAP,… Rhizomer Semantic Content Management System Metadata Store Rhizomer GET PUT POST DEL search new edit delete
- 8. Rhizomer Client part: AJAX (asynchronously send queries and metadata) RDF/XML ─ XSLT HTML (browsing) “ Semantic” forms (edition) RDF/XML ─ XSLT FORM ─ Javascript RDF Rhizomer Semantic Content Management System RDF <HTML/> <HTML/> SemFORMS JavaScript
- 9. Contents Introduction The Rhizomer Platform Use Case: S5T Project Conclusions & Future Work Rhizomer Semantic Content Management System
- 10. S5T Project S5T Spanish research project ( TIN2005-06885 ) Scaleable Semantic personalised Search of Spoken and written contents on the Semantic Web Application in the Segre media group Newspaper, TV, radio and web site Internal use (media house): facilitate content production, history tracking, contextualisation,… External use (web users): advanced services (e.g. news personalisation, semantic podcasts,…) Rhizomer Semantic Content Management System
- 11. S5T Project Semantic annotation of audiovisual content voice text (keywords) semantic annotations Rhizomer : user interface for browsing/interacting with content and associated knowledge Rhizomer Semantic Content Management System
- 12. S5T Project: query Rhizomer Semantic Content Management System Queries: Metadata Content (transcript) Words Concepts GET s5t:Audio specific properties P rdfs:domain s5t:Audio or s5t:Audio owl:Restriction on P (or superclass) ?query= DESCRIBE ?s WHERE { ?s dc:title ?y0; s5t:genre ?y1. FILTER regex(?y0, "…") && ?y1=<…./SubjectsOnto# 11000000> } <form method=“GET” onSumbit=“formToSPARQL”> <input type=“text” name= “ http://purl.org/dc/elements/1.1/title”/> <input type=“text” name= “ http://purl.org/dc/elements/1.1/date”/> … </form>
- 13. S5T Project: store GET SPARQL endpoint Metadata store Jena, Sesame,… DESCRIBE queries by default. Facilitate: Browse heterogeneous metadata Without a priori knowledge DESCRIBE implementation Concise Bounded Description + rdfs:labels for all selected resources Result: RDF/XML Rhizomer Semantic Content Management System
- 14. S5T Project: store DESCRIBE http://rhizomik.net/~rosa : CBD( … ~rosa ) = Fragment A U rdfs:labels Rhizomer Semantic Content Management System Fragment A
- 15. S5T Project: browse Rhizomer Semantic Content Management System RDF2HTML GET RDF2HTML <s5t:Audio rdf:about=" http://www.segre.com/audio/20070323-bm.mp3 "> <dc:title>Butlletí Migdia</dc:title> <dc:date>2007-03-23</dc:date> <s5t:genre rdf:resource="&srs;11000000"/> <s5t:transcriptResource> http://www.segre.com/audio/20070323-bm.xml </s5t:transcriptResource> </srt:Audio> http://www.segre.com/ audio/ 20070323-bm.mp3 a Audio title Butlletí Migdia date 2007-03-23 genre politics transcript http://www.segre.com/audio/20070323-bm.xml Referrers http://rhizomik.net/.../NewsCodes-SubjectsOnto#11000000 a Subject label politics description Local, regional, national and international exercise of power, or struggle for power, and the relationships between governing bodies and states. Referrers
- 16. S5T Project: edition Rhizomer Semantic Content Management System edit – del – new http://www.segre.com/ audio/ 20070323-bm.mp3 a Audio title Butlletí Migdia date 2007-03-23 genre politics transcript http://www.segre.com/audio/20070323-bm.xml Referrers
- 17. S5T Project: edition Semantic form: <form method=“ PUT/POST ” onSumbit=“formToNTriples”> <input type=“text” name=“ http:// ...w3.org/.../rdf-syntax-ns# ID ” value=“ http://www.segre.com/audio/20070323-bm.mp3 ”/> <input type=“text” name=“http:// ...w3.org/.../rdf-syntax-ns# type ” value=“ http:// rhizomik.net/.../s5t.owl# Audio ” /> <input type=“text” name=“http:// rhizomik.net/.../s5t.owl# genre ”/ value=“ http://.../NewsCodes-SubjectsOnto#11000000 ”/ > … </form> PUT : description for new resource POST : replace resource description Rhizomer Semantic Content Management System <Subject,… Predicate,Object> Predicate,Object>
- 18. S5T Project: uploading Semantically annotate uploaded content (facilitate metadata creation) Content-type specific metadata extraction plugins Audio: text -to-speech Text: keyword detection, disambiguation OpenCalais, Freeling,…: named entities Photo: EXIFtoRDF,… … Rhizomer Semantic Content Management System
- 19. S5T Project: interaction Given a resource (object)… determine available services (actions) Resource description: type, properties, values,… Rhizomer Semantic Content Management System http://www.segre.com/ audio/ 20070323-bm.mp3 a Audio title Butlletí Migdia date 2007-03-23 genre politics transcript http://www.segre.com/audio/20070323-bm.xml Referrers
- 20. S5T Project: interaction Services descriptions: ID : Service Adapter URL hasInput : an OWL Class Service applicable to any resource classified in this class hasOutput : output content type text/html, application/rdf+xml,… Rhizomer Semantic Content Management System http://rhizomik.net/services/play a Process label Play hasInput http://rhizomik.net/.../s5t.owl#Audio hasOutput text/html Referrers
- 21. S5T Project: interaction For each resource: Processes s.t. resource rdf:type hasInput Class Call : REST PUT/POST RDF resource Adapter: service invocation (Javascript, SOAP,…) Rhizomer Semantic Content Management System http://www.segre.com/ audio/ 20070323-bm.mp3 a Audio title Butlletí Migdia date 2007-03-23 genre politics transcript http://www.segre.com/audio/20070323-bm.xml Play Referrers
- 22. S5T Project: interaction Rhizomer Semantic Content Management System Butlletí Migdia (23/03/2007) La mobilització en contra dels transgènics i en favor de Josep Pàmies també ha servit per introduir altres reclamacions. En aquest cas, alguns dels col·lectius de la lluita contra aquests cultius demanen que la Universitat de Lleida rebi una especialització en Agricultura Ecològica . Asseguren que serien uns estudis pioners que servirien al centre per recuperar prestigi. Search Keyword Browse Term Search Keyword : describe resources whose transcript contains keyword… Browse Term : describe the concept annotating the keyword http://www.segre.com/ audio/ 20070323-bm.mp3 a Audio title Butlletí Migdia date 2007-03-23 genre politics transcript http://www.segre.com/audio/20070323-bm.xml Play Referrers http://www.udl.cat a University label Universitat de Lleida lat 41.37 long 0.37 Map Referrers
- 23. S5T Project: interaction Map any resource with lat/long: <process:Process rdf:about=" http://rhizomik.net/services/map "> <rdfs:label> map </rdfs:label> <process:hasInput> <owl:Class rdf:ID=" GeolocatedEntity "> <owl:intersectionOf rdf:parseType="Collection"> <owl: Restriction > <owl: onProperty rdf:resource="&pos; lat "/> <owl: minCardinality > 1 </owl:minCardinality> </owl:Restriction> <owl: Restriction > <owl: onProperty rdf:resource="&pos; long "/> <owl: minCardinality > 1 </owl:minCardinality> </owl:Restriction> </owl:intersectionOf> </owl:Class> </process:hasInput> <process:hasOutput>text/html</process:hasOutput> </process:Process> Service Adapter includes GoogleMap Javascript The same for events (Timeline, Calendar,…), etc. Rhizomer Semantic Content Management System
- 24. Contents Introduction The Rhizomer Platform Use Case: S5T Project Conclusions & Future Work Rhizomer Semantic Content Management System
- 25. Conclusions Content Management System based on semantic metadata Framework for Human-Semantic Web Interaction Flexible Projects: S5T, Rhizomik,… Extensible Plugins for visualisation, interaction and metadata extraction Usable Preliminary usability tests Rhizomer Semantic Content Management System
- 26. Future Work Integrate S5T project interface Assisted metadata edition Properties and values recommended based on available ontologies Create basic services set Map Time line Calendar Plot… Complete usability test Rhizomer Semantic Content Management System
- 27. Thank you for your attention More: http:// rhizomik.net Roberto García http://rhizomik.net/~roberto