Stream Reasoning: Where we got so far. Oxford 2010.1.18

Stream Reasoning Where We Got So Far Oxford - 2010.1.18 http://streamreasoning.org Emanuele Della Valle DEI - Politecnico di Milano [email_address] http://emanueledellavalle.org Joint work with: Davide Francesco Barbieri, Daniele Braga, Stefano Ceri, and Michael Grossniklaus

Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Motivation It ‘s a streaming World! [IEEE-IS2009] ,[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Running Example Real-Time Streams on the Web ,[object Object],[object Object],[object Object],Oxford, 2011-1-18 Emanuele Della Valle - visit http://streamreasoning.org

Running Example Examples of Questions Users are Asking ,[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Motivation Problem Statement ,[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Background What are data streams anyway? ,[object Object],[object Object],[object Object],[object Object],[object Object],time Oxford, 2011-1-18

Background Continuous Semantics ,[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Background Stream Processing ,[object Object],Oxford, 2011-1-18 window input stream stream of answer Registered Continuous Query

Background Data Stream Management Systems (DSMS) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Background Can the Semantic Web process data stream? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Concept Stream Reasoning [IEEE-IS2010 ] ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Concept Research Challenges ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Achievements Explored Continuous Semantics for SeWeb ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Achievements Architecture (IEEE-IS2010) ,[object Object],[object Object],Oxford, 2011-1-18

Achievements RDF Stream [WWW2009,EDBT2010,IJSC2010] ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Achievements C-SPARQL [WWW2009,EDBT2010,IJSC2010] ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Achievements An Example of C-SPARQL Query ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Achievements An Example of C-SPARQL Query ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18 Query registration (for continuous execution) FROM STREAM clause WINDOW RDF Stream added as new ouput format Builtin to access timestamps Aggregates as in SPARQL 1.1

Achievements Efficiency of Evaluation 1/3 [IEEE-IS2010] ,[object Object],Oxford, 2011-1-18

Achievements Efficiency of Evaluation 2/3 [EDBT2010] ,[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Achievements Efficiency of Evaluation 3/3 [EDBT2010] ,[object Object],Oxford, 2011-1-18

Achievements Example of C-SPARQL and Reasoning 1/2 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18 :discuss a owl:TransitiveProperty . :reply rdfs:subPropertyOf :discuss . :retweet rdfs:subPropertyOf :discuss .

Achievements Example of C-SPARQL and Reasoning 2/2 Oxford, 2011-1-18 t 1 t 1-1 t 1-2 t 1-3 retweet reply retweet discuss discuss discuss discuss discuss discuss Monitored Positive Negative

Achievements State-of-the-Art Approach [Ceri1994,Volz2005] ,[object Object],[object Object],[object Object],Oxford, 2011-1-18

Achievements our approach [ESWC2010] 1/2 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Achievements our approach [ESWC2010] 2/2 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Achievements Comparative Evaluation 1/2 [ESWC2010] ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Achievements Comparative Evaluation 2/2 ,[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Retrospective and Conclusions Wrap Up ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Retrospective and Conclusions Achievements vs. Research Challenges ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

References ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Oxford, 2011-1-18

Thank You! Questions? Much More to Come! Keep an eye on http://www.streamreasoning.org Oxford, 2011-1-18

Stream Reasoning: Where we got so far. Oxford 2010.1.18

Recommended

Recommended

More Related Content

What's hot

What's hot (20)

Viewers also liked

Viewers also liked (7)

Similar to Stream Reasoning: Where we got so far. Oxford 2010.1.18

Similar to Stream Reasoning: Where we got so far. Oxford 2010.1.18 (20)

More from Emanuele Della Valle

More from Emanuele Della Valle (20)

Recently uploaded

Recently uploaded (20)

Stream Reasoning: Where we got so far. Oxford 2010.1.18

Editor's Notes