WP  3User  profiling  and  

Recommenda5on  (Part  2a)BBC,  Pro-­‐ne+cs,  VUA

1

Wednesday, March 28, 12

Recommendation

26-27 March 2012 2NoTube 3rd Review

Wednesday, March 28, 12

Recommendation

26-27 March 2012 2

surface interesting, new & relevant programs to individual and group users

NoTube 3rd Review

Wednesday, March 28, 12

Recommendation

26-27 March 2012 2

find the balance between serendipity & diversity of recommendations

surface interesting, new & relevant programs to individual and group users

NoTube 3rd Review

Wednesday, March 28, 12

Recommendation

26-27 March 2012 2

find the balance between serendipity & diversity of recommendations

combine in a complementary way statistical & semantic approaches

surface interesting, new & relevant programs to individual and group users

NoTube 3rd Review

Wednesday, March 28, 12

Recommendation

26-27 March 2012 2

find the balance between serendipity & diversity of recommendations

combine in a complementary way statistical & semantic approaches

LOD

METADATA ENRICHMENT

CONTENT PATTERNS

DEMOGRAPHICS

surface interesting, new & relevant programs to individual and group users

NoTube 3rd Review

Wednesday, March 28, 12

Recommendation

26-27 March 2012 2

find the balance between serendipity & diversity of recommendations

combine in a complementary way statistical & semantic approaches

COLDSTART

PRIVACY

INTRUSIVENESS

LOD

METADATA ENRICHMENT

CONTENT PATTERNS

DEMOGRAPHICS

surface interesting, new & relevant programs to individual and group users

NoTube 3rd Review

Wednesday, March 28, 12

Semantic recommendation: Data sources

26-27 March 2012 3

• User data: Beancounter profiles• weighted interests• enriched with DBPedia concepts

• Program data: BBC TV metadata• structured and textual description • enriched with DBPedia, Freebase, LinkedMDB concepts

• Measures:• popularity of metadata properties• popularity of content patterns

NoTube 3rd Review

Wednesday, March 28, 12

Semantic recommendation: Process

26-27 March 2012 4

1. Analysis of LOD sources

NoTube 3rd Review

Wednesday, March 28, 12

Semantic recommendation: Process

26-27 March 2012 4

1. Analysis of LOD sources

NoTube 3rd Review

Wednesday, March 28, 12

Semantic recommendation: Process

26-27 March 2012 4

1. Analysis of LOD sources

Dataset LinkedMDB DBpedia Freebase

#triples 6,147,978 385,000,000 337,203,427

#props 221 1643 n.a.

#types 53 3,640,000 12,000,000

NoTube 3rd Review

Wednesday, March 28, 12

Semantic recommendation: Process

26-27 March 2012 4

1. Analysis of LOD sources

Dataset LinkedMDB DBpedia Freebase

#triples 6,147,978 385,000,000 337,203,427

#props 221 1643 n.a.

#types 53 3,640,000 12,000,000

Properties #triples

foaf:page 512,944

http://purl.org/dc/terms/date 74,111

foaf:made 53,180

linkedmdb:actor_actorid 50,603

dbprop:hasPhotoCollection 30,354

NoTube 3rd Review

Wednesday, March 28, 12

Semantic recommendation: Process

26-27 March 2012 4

1. Analysis of LOD sources

Dataset LinkedMDB DBpedia Freebase

#triples 6,147,978 385,000,000 337,203,427

#props 221 1643 n.a.

#types 53 3,640,000 12,000,000

Properties #triples

foaf:page 512,944

http://purl.org/dc/terms/date 74,111

foaf:made 53,180

linkedmdb:actor_actorid 50,603

dbprop:hasPhotoCollection 30,354

NoTube 3rd Review

Wednesday, March 28, 12

Semantic recommendation: Process

26-27 March 2012 4

1. Analysis of LOD sources

NoTube 3rd Review

Wednesday, March 28, 12

Semantic recommendation: Process

26-27 March 2012 5

1. Analysis of LOD sources2. Selection of popular and relevant types and their patterns

NoTube 3rd Review

Wednesday, March 28, 12

Semantic recommendation: Process

26-27 March 2012 5

1. Analysis of LOD sources

2. Selection of popular and relevant types and their patterns

(Example from LinkedMDB)

movie:film foaf:Personfoaf:made

movie:director

movie:actor

mov

ie:p

erfo

rman

ce_fi

lm

rdfs:literal

movie:performance

movie:perform

ance

oddlink:link_sourcee

movie:film

_crew_gig_film

movie:film_crew_gig

oddlink:interlink

NoTube 3rd Review

Wednesday, March 28, 12

Semantic recommendation: Process

26-27 March 2012 5

1. Analysis of LOD sources

2. Selection of popular and relevant types and their patterns

(Example from LinkedMDB)

movie:film foaf:Personfoaf:made

movie:director

movie:actor

mov

ie:p

erfo

rman

ce_fi

lm

rdfs:literal

movie:performance

movie:perform

ance

oddlink:link_sourcee

movie:film

_crew_gig_film

movie:film_crew_gig

oddlink:interlinkPath of length 2Frequency 3,851,200

NoTube 3rd Review

movie:film foaf:Personfoaf:made

movie:director

movie:actor

mov

ie:p

erfo

rman

ce_fi

lm

rdfs:literal

movie:performance

movie:perform

ance

oddlink:link_sourcee

movie:film

_crew_gig_film

movie:film_crew_gig

oddlink:interlink

Wednesday, March 28, 12

Semantic recommendation: Process

26-27 March 2012 5

1. Analysis of LOD sources

2. Selection of popular and relevant types and their patterns

(Example from LinkedMDB)

Path of length 2Frequency 199,443

movie:film foaf:Personfoaf:made

movie:director

movie:actor

mov

ie:p

erfo

rman

ce_fi

lm

rdfs:literal

movie:performance

movie:perform

ance

oddlink:link_sourcee

movie:film

_crew_gig_film

movie:film_crew_gig

oddlink:interlink

NoTube 3rd Review

Wednesday, March 28, 12

Semantic recommendation: Process

26-27 March 2012 5

1. Analysis of LOD sources

2. Selection of popular and relevant types and their patterns

(Example from LinkedMDB)

movie:film foaf:Personfoaf:made

movie:director

movie:actor

mov

ie:p

erfo

rman

ce_fi

lm

rdfs:literal

movie:performance

movie:perform

ance

oddlink:link_sourcee

movie:film

_crew_gig_film

movie:film_crew_gig

oddlink:interlinkPath of length 3Frequency 6,032,799

NoTube 3rd Review

Wednesday, March 28, 12

Semantic recommendation: Process

26-27 March 2012 5

1. Analysis of LOD sources

2. Selection of popular and relevant types and their patterns

(Example from LinkedMDB)

movie:film foaf:Personfoaf:made

movie:director

movie:actor

mov

ie:p

erfo

rman

ce_fi

lm

rdfs:literal

movie:performance

movie:perform

ance

oddlink:link_sourcee

movie:film

_crew_gig_film

movie:film_crew_gig

oddlink:interlinkPath of length 3Frequency 3,851,200

NoTube 3rd Review

Wednesday, March 28, 12

Semantic recommendation: Process

26-27 March 2012 5

1. Analysis of LOD sources

2. Selection of popular and relevant types and their patterns

(Example from LinkedMDB)

movie:film foaf:Personfoaf:made

movie:director

movie:actor

mov

ie:p

erfo

rman

ce_fi

lm

rdfs:literal

movie:performance

movie:perform

ance

oddlink:link_sourcee

movie:film

_crew_gig_film

movie:film_crew_gig

oddlink:interlinkPath of length 3Frequency 3,409,791

NoTube 3rd Review

Wednesday, March 28, 12

Acknowledgements

26-27 March 2012 6NoTube 3rd Review

Wednesday, March 28, 12