eswc 2009 lightning talks
DESCRIPTION
Collection of ESWC 2009 lightning talksTRANSCRIPT
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GNOWSIS.COM — HELPING PEOPLE REMEMBER
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!
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DBpedia LOD SourceBBC LOD Source
http://www.bbc.co.uk/music/artists/
e60e1f0b-1e8c-45e7-9d4a-222db9cb34f7#artist
http://dbpedia.org/resource/
New_Model_Army_(band) owl:sameAs
Link Source Link Target
Link
Assume a link target becomes unavailable - what is the appropriate reaction at the Link Source?
Ignore it?
Inform the link source?
the data source itself provides update infos (see Triplify)
a separate service providing update infos / DSNotify
Monday, June 1, 2009
Semantic Web and Billion Triples Challenge
!!Lots of challenges around
!! identify resolution
!! schema mapping
!! data fusion
!! quality assessment
!!Two tracks
!! Open Track: Applications that provide new levels of Web functionality
!! Billion Triples Track: Demonstrate scalability and use of realistic Web Data
This year: 1 billion crawled triples
!!Submission deadline: October 1, 2009
Alignments for thelinked data web
Jerome Euzenat
! Send your alignments between data source! Before the end of June! Any format (SQL, SPARQL, OWL, Java, whatever. . . )! Better if everything is available on the web
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shared innovation
Talis Connected Commons
• Free data hosting in the Talis Platform!
• For public domain data (CC0 or ODC PDDL)
• Up to 50 Million triples and 10Gb of content, in perpetuity (want more? come and speak to us)
• Standard Platform data access services, e.g. data retrieval, text search, faceting, augmentation
• Public SPARQL endpoint for each data set
• http://www.talis.com/platform/cc/
Semantic Markup in the Layered Cake
RDFXML
http://kwarc.info/projects/krextor/
Christoph Lange (Jacobs University Bremen, Germany) June 3, 2009 1
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What Makes for A Good Ontology?
•! Main Contribution: Avoiding
reclassification of phenomena
–! Allows for cognitive and
computer processing at the
level of category membership
•! Good ontologies provide
universally valid yet specific
categories
•! Category membership should
remain valid
–! Over time
–! Between individuals
–! Across contexts
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