Semantic Wiki @ RPI

1. Semantic Wiki @ RPI Jie Bao and Li Ding Tetherless World Constellation Rensselaer Polytechnic Institute April 2, 2009 Cyber SMW developers meetup

2. Outline • General Position • Past Work • Stanford Meet-up Summary • Research Challenges

3. General Position Education: Applications and Tutorials RPI Extension Best Practices: Extensions and Templates Theory: Formal Semantics and Models Applications Semantic Wiki RPI Extension

4. Tetherless World Group Wiki (App) It evolves every day! http://tw.rpi.edu/wiki

5. RPI Map (App) • Mashup map, event, tag,… • TetherlessMap Extension http://map.rpi.edu Contributors: Jin Guang Zheng, Rui Huang, Jie Bao and Li Ding RPI shuttle data is from shuttles.rpi.edu and RPI event data is from events.rpi.edu

6. Policy Testbed (App) Event coordinator participant Agent antecedent input data output data Data operation Operation Semantic MediaWiki & Extensions Text + semantics template for event & policy SMW Browse Provenance ontology Template-based Edit {{Tami.event |coordinator=William Parker |datetime=2008/10/26 06:44:00 AM |description=[[Mr. Parker]] observed a glint of light in the window of a parked station wagon across the street, and then identified a male in the driver's seat apparently taking photographs of the gate and/or guard shack }} [[suspect gender::male]] Tabulator-based Browse Form-based Edit Browse by semantic query results Track Changes using Semantic History <pmlj:NodeSet rdf:about="#uri_revision___title___FS_119_01_1_oldid_1478"> <pmlj:hasConclusion> <pmlp:InformationRdfInstance> <pmlp:hasURL rdf:datatype="http://www.w3.org/2001/XMLSchema#anyURI“ >http://tw.rpi.edu/proj/tami.wiki/index.php?title=FS_119_01_1&amp;oldid=1478</pmlp:hasURL> </pmlp:InformationRdfInstance> </pmlj:hasConclusion> <pmlj:isConsequentOf> <pmlj:InferenceStep> <pmlj:hasInferenceEngine rdf:resource="http://tw.rpi.edu/proj/tami/Special:URIResolver/User:Li" /> <pmlp:hasCreationDateTime rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime“ >2008-11-12T19:50:20Z</pmlp:hasCreationDateTime> <pmlj:hasAntecedentList> <pmlj:NodeSetList> <ds:first rdf:resource="#uri_revision___title___FS_119_01_1_oldid_1475" /> </pmlj:NodeSetList> </pmlj:hasAntecedentList> <pmlj:hasInferenceRule rdf:resource="http://tw.rpi.edu/2008/sw/semanticwiki.owl#Revision" /> </pmlj:InferenceStep> </pmlj:isConsequentOf> </pmlj:NodeSet> … • Technical Highlights • Semantic Wiki-based online collaborative environment • Ontology driven semantic templates and forms • Semantically-enhanced browsing of scenario data • Enhanced options for publishing semantic content • Hypothetical testing support via semantic history http://tw.rpi.edu/tami

7. CNL Ontology Editor (App) http://tw.rpi.edu/proj/cnl • Technical Highlights • Template-based meta model for OWL representation on semantic wiki • Semantic form based editing • Several controlled natural language interfaces (Rabbit, ACE, Yayan) • Limited rule inference (on going work)

8. SMWBP Project • http://code.google.com/p/smwbp/ • SMW installation scripts • Extensions • Ldap (modified) • ArrayExtension • TetherlessMap • AskMany • Services • Rpipe (bibtex to wiki)

9. AskMany (Extension) This Wiki Page is on http://tw.rpi.edu/portal ==Publications== <askmany querylocal="false"> <site>http://tw.rpi.edu/wiki.tw/index.php</site> <query> [[Category:Publication]] [[has author::Li Ding]] </query> <printout> ?Has where published ?has year </printout> </askmany> Distributed query across Wikis The result is from http://tw.rpi.edu/tw http://tw.rpi.edu/Help:AskMany Contributors: Evan Patton

10. SBP (Template and ParserFunction) Modular Template for SMW {{PersonInfo |alias=Jim Hendler; James Hendler; User:Hendler; Jim H |affiliation=Rensselaer Polytechnic Institute;Tetherless World Constellation |role=Full Professor |image=Hendler2008.jpg |homepage=http://www.cs.rpi.edu/~hendler/ |mbox=(mylastname)-at-cs.rpi.edu |mailAddress=Tetherless World Constellation (Mail) |interest=Semantic Web, Semantic Web Application }} He joined the Tetherless World Constellation in [[has year join::2006]]. {{sbp.fit.tag |p=education |v=Yale University, Southern Methodist University, Brown University |format=ul |mode=list}} {{#smartset:fellow of=American Association for Artificial Intelligence, British Computer Society|list}} Template SMW syntax SBP FIT Parser function

11. Stanford Meet-up Summary http://tw.rpi.edu/wiki09 • 12 attendees, 3.5 hours • 4 Talks • Halo Extension, by Mark Greaves. • Wikidsmart Demo, by Sanjiva Nath • http://www.zagile.com/products/wikidsmart.html • From SMW to rule, by Jie Bao • SMW based Web Application Model, by Li Ding. • In-depth discussion on a couple of topics • Integrity checking, template-based UI, privacy, SMW for business use (e.g. spreadsheet) • Partially recorded (will be available after cleaning up)

12. Plan • Development • SMW based light-weight group/project portal • SMW Best practices • Research (in 3-6 month) • SMW syntax and query formalization • Rule modeling on SMW • Semantic Wiki based web application model • Semantic History

13. Future Directions • Collaborative Data Sharing Platform • Semantic access control at finer granularity • Convergence of knowledge • Effective UI to generate and browse data • Distributed Data • Distributed query • Portable/permanent Semantic Web data • Ontology mapping, entity mapping, and linked data • Large Scale Data • Response time: read, write, query, and inference • Space: temporary table, network traffic, …