Using rules To Find Serendipitous Connections in Linked Open Data

Using Rules to ﬁnd Serendipitous Connections Diana Bental, Rob Stewart & Jamie Forth SerenA team 27th June, 2012Using Rules to ﬁnd Serendipitous Connections Diana Bental, Rob Stewart & Jamie Forth 1 / 11

The Semantic WebTerminology Using Rules to ﬁnd Serendipitous Connections Diana Bental, Rob Stewart & Jamie Forth 2 / 11

SerenARule-based systems Rules: Used to store and manipulate knowledge. Interpret information in useful ways. Have a history of use in artificial intelligence applications and research. We can use rules to identify or create new connections between different things Using Rules to find Serendipitous Connections Diana Bental, Rob Stewart & Jamie Forth 3 / 11

Reasoning with RDF Using Rules to ﬁnd Serendipitous Connections Diana Bental, Rob Stewart & Jamie Forth 4 / 11

Example of simple connectionData from the user model @prefix : <http://www.serena.ac.uk/ontologies/serena#> . @prefix dblp: <http://dblp.l3s.de/d2r/page/authors/> . @prefix dblpconf: <http://dblp.l3s.de/d2r/page/conferences/> . :Diana a :SerenAUser ; :hasBDLPIdentifier dblp:Diana_Bental ; :hasInstitution :HeriotWatt ; :hasInterest :UserModeling , :SemanticWeb , :Explanation , :Prolog . :hasGoalToAttend dblpconf:SemanticWebConference , dblpconf:sipi2012 ; :hasGoalToFIndOut :MedicalInformatics ; Using Rules to ﬁnd Serendipitous Connections Diana Bental, Rob Stewart & Jamie Forth 5 / 11

Example of simple connectionRule 1 If someone intends to attend an event that is held in a place, then that person intends to visit the place. Person(?x) ∧ hasGoalToAttend(?x ?event) ∧ hasLocation(?event ?place) (1) → hasGoalToVist(?x ?place) . . . so Diana intends to visit Aberdeen Using Rules to ﬁnd Serendipitous Connections Diana Bental, Rob Stewart & Jamie Forth 6 / 11

Example of simple connectionRule 2 People are (usually) based where the institution they work for is based Person(?x) ∧ hasInsitution(?x ?inst) ∧ hasLocation(?inst ?place) (2) → hasBaseLocation(?x ?place) . . . so Diana is based in Edinburgh; Derek, Graeme and Judith are based in Aberdeen Using Rules to ﬁnd Serendipitous Connections Diana Bental, Rob Stewart & Jamie Forth 7 / 11

Example of simple connectionRule 3 Identify a potentially interesting person to meet Person(?x) ∧ hasGoalToVisit(?x ?place) ∧ hasGoalToFindOut(?x ?topic) ∧ Person(?y ) ∧ hasExpertise(?x ?topic) (3) ∧ hasBaseLocation(?y ?place) → hasGoalToMeet(?x ?y ) . . . so Diana now has a (potential) goal to meet Derek. Using Rules to ﬁnd Serendipitous Connections Diana Bental, Rob Stewart & Jamie Forth 8 / 11

Model with inferred RDF @prefix : <http://www.serena.ac.uk/ontologies/serena#> . @prefix dblp: <http://dblp.l3s.de/d2r/page/authors/> . @prefix dblpconf: <http://dblp.l3s.de/d2r/page/conferences/> . @prefix dbpedia: <http:debedia.org/resource> . :Diana a :SerenAUser ; :hasBDLPIdentifier dblp:Diana_Bental ; :hasInstitution dbpedia:HeriotWatt ; :hasBaseLocation dbpedia:Edinburgh ; :hasInterest :UserModeling , :SemanticWeb , :Explanation , :Prolog . :hasGoalToAttend dbplconf:SemanticWebConference , dblpconf:SIPI2012 ; :hasGoalToFIndOut :MedicalInformatics ; :hasGoalToVisit dbpedia:Boston , dbpedia:Aberdeen ; :hasGoalToMeet :Derek ; Using Rules to ﬁnd Serendipitous Connections Diana Bental, Rob Stewart & Jamie Forth 9 / 11

How would we like to connect? Which data? What kinds of rules? How to discover the valuable information? Using Rules to ﬁnd Serendipitous Connections Diana Bental, Rob Stewart & Jamie Forth 10 / 11

SerenA ProjectThanks for coming! Stuﬀ we didn’t have time for Embedding RDFa http://goo.gl/Wor8I http://chasingserendipity-estw.eventbrite.com Semantic annotation of plain text http://dbpedia-spotlight.github.com/demo/ Our website and newsletter http://www.serena.ac.uk Twitter @i_serena @robstewartUK Using Rules to ﬁnd Serendipitous Connections Diana Bental, Rob Stewart & Jamie Forth 11 / 11

Using rules To Find Serendipitous Connections in Linked Open Data

by i_serena on Jun 29, 2012

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