hey! ho! let’s go! explanatory music recommendations with dbrec

Hey! Ho! Let’s go! Explanatory music

recommendations with dbrec Alexandre Passant, Stefan Decker - DERI, NUI Galway

Demo Session @ ESWC20101st June 2010 @ Heraklion, Crete

Tuesday 1 June 2010

If you like X ...

Tuesday 1 June 2010

Semantic Distance

Tuesday 1 June 2010

Does it help ?

Tuesday 1 June 2010

Linked Data

Tuesday 1 June 2010

Linked Data

e:r1

e:r3 e:r4

e:r2e:l1

e:l2

e:l2 e:l3 e:l3

e:l1

Tuesday 1 June 2010

G = (R, L, I)

• R = {r1, r2, ..., rn}

• L = {l1, l2, ..., ln}

• I = {i1, i2, ..., in}

e:r1

e:r3 e:r4

e:r2e:l1

e:l2

e:l2 e:l3 e:l3

e:l1

Tuesday 1 June 2010

Linked Data Semantic Distance (LDSD)

Tuesday 1 June 2010

e:r1

e:r3 e:r4

e:r2e:l1

e:l2

e:l2 e:l3 e:l3

e:l1

e:r1

e:r3 e:r4

e:r2e:l1

e:l2

e:l2 e:l3 e:l3

e:l1

e:r1

e:r3 e:r4

e:r2e:l1

e:l2

e:l2 e:l3 e:l3

e:l1

e:r1

e:r3 e:r4

e:r2e:l1

e:l2

e:l2 e:l3 e:l3

e:l1

Tuesday 1 June 2010

Weighting the links

Tuesday 1 June 2010

e:r1

e:r3 e:r4

e:r2e:l1

e:l2

e:l2 e:l3 e:l3

e:l1

Tuesday 1 June 2010

LDSD(ra, rb)

Tuesday 1 June 2010

http://dbrec.net

Tuesday 1 June 2010

• A self-explanatory recommendation system and mash-up for all artists and bands from DBpedia (39.000+ resources, dbp:MusicalArtist + dbp:Band), modelling the results using the LDSD ontology and RDFa to enable data reuse

dbrec

Tuesday 1 June 2010

Tuesday 1 June 2010

Ontology

Tuesday 1 June 2010

Architecture

RDF Data RDF Data

(1) Dataset identification

(2) Dataset reducing

(3) LDSD computation

(4) User interface

Tuesday 1 June 2010

• Source data is RDF data from DBpedia

• LDSD is computed with SPARQL

• Results are modelled using the LDSD ontology

• User interface is built with SPARQL and embeds RDFa

SW technologies

Tuesday 1 June 2010

Demo

Tuesday 1 June 2010

Tuesday 1 June 2010

Contact:alexandre.passant@deri.org - http://apassant.net - @terraces

Acknowledgements: Science Foundation Ireland - SFI/08/CE/I1380 (Lion 2)

References: AIII Spring Symposium 2010 - LinkedAI Symposium

ESWC2010 - Demo Session

Tuesday 1 June 2010

Pictures credits

• http://flickr.com/photos/iskanderstruck/248786430/ by iskanderbenamor

• http://www.flickr.com/photos/loungerie/2196866243/ by loungerie

• http://richard.cyganiak.de/2007/10/lod/ by Richard Cyganiak + Anja Jentzsch

• http://flickr.com/photos/kieranmcglone/2369518260/ by kieranmcglone

• http://www.flickr.com/photos/fensterbme/136098539/ by fensterbme

• http://www.flickr.com/photos/homer4k/461407380/ by homer4k

• http://www.flickr.com/photos/yumlog2/20896759/ by yuki*

• http://flickr.com/photos/8049973@N03/2656140464/ by wolf.tone

Tuesday 1 June 2010