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©2018 Confidential
Semantic annotation of our video catalog
20/09/2018
Alexandre Cormerais
©2018 Confidential
©2018 Confidential
©2018 Confidential
Identifier le sujet principal d’une vidéo
pour une meilleur recommandation et découverteducontenu
Objectif
©2018 Confidential
• Signaux
• Knowledge graph
• Discovery
Agenda
©2018 Confidential
• Signaux
• Knowledge graph
• Discovery
Agenda
©2018 Confidential
Signaux
metadata
frames
audio
embed context co-watching
©2018 Confidential
Signaux
metadata
frames
audio
embed context co-watching
Google Speech API
très cher
Nécessite des
premières vues
Disponible
immédiatement
Ne reconnait pas
Nainggolan
©2018 Confidential
Signaux
metadata
frames
audio
embed context co-watching
Google Speech API
très cher
Nécessite des
premières vues
Disponible
immédiatement
Ne reconnait pas
Nainggolan
©2018 Confidential
• Signaux
• Knowledge graph
• Discovery
Agenda
©2018 Confidential
KnowledgeGraph
Wikipedia: knowledge for humans
©2018 Confidential
Wikipedia: knowledge for humans
KnowledgeGraph
©2018 Confidential
Wikdata: knowledge for machines
KnowledgeGraph
©2018 Confidential
Wikdata: knowledge for machines
KnowledgeGraph
©2018 Confidential
KnowledgeGraph
Q517192
Nainggolan
Generates
topics
candidates
©2018 Confidential
KnowledgeGraph
Q517192
Nainggolan
Q9402
ninja
Q1114683
Le retour (film, 1978)
Generates
topics
candidates
©2018 Confidential
KnowledgeGraph
Q517192
Nainggolan
Q9402
ninja
Q1114683
Le retour (film, 1978)
Generates
topics
candidates
©2018 Confidential
KnowledgeGraph
©2018 Confidential
KnowledgeGraph
Radja
Nainggolan
selected as
central topic
©2018 Confidential
Identifier le sujet principal d’une vidéo
pour une meilleur recommandation et découverteducontenu
Objectif
©2018 Confidential
• Signaux
• Knowledge graph
• Discovery (structurée ou non structurée)
Agenda
©2018 Confidential 22
Une base de données open source
Collaborative et mise à jour
Multilingue
Structurée et interconnectée
Discovery
structurée
©2018 Confidential
Wikdata: knowledge for machines
entité valuepropriété
Discovery
structurée
©2018 Confidential
Wikdata: knowledge for machines
Q517192 Q937857P106
Radja
Nainggolan
occupation football
player
Discovery
structurée
©2018 Confidential
Wikidata SPARQL
2434 results
Discovery
structurée
Good for
marketing
segmentation
©2018 Confidential
Discovery
nonstructurée
Embedding
Word2Vec
FastText
©2018 Confidential
Discovery
nonstructurée
©2018 Confidential
Radja
Nainggolan
Né
Le
4
Mai
1988
À
Anvers
en
Belgique,
est
un
Footballeur
International
Belge
evoluant
actuellement
à
Inter
Milan
Au
Poste
De
Milieu
de
terrain.
Radja
Nainggolan
Né
Le
4
Mai
1988
À
Anvers
en
Belgique,
est
un
Footballeur
International
Belge
evoluant
actuellement
à
Inter
Milan
Au
Poste
De
Milieu
de
terrain.
Radja: 1
Nainggolan: 1
Né: 1
Mai: 1
Anvers :1
Belge: 2
Footballeur
International
Belge
Evol: 1
Actuel: 1
Inter: 1
Milan: 1
Poste: 1
Milieu: 1
Terrain: 1
Discovery
nonstructurée
©2018 Confidential
Discovery
nonstructurée
©2018 Confidential
Radja Nainggolan: Romelu Lukaku, Mousa Dembélé (Belgian footballer), Senna Miangue, Kevin de Bruyne, Youri Tielemans
Neymar: Ronaldinho, Ronaldo, Cristiano Ronaldo, Robinho, Thiago Silva
Discovery
nonstructurée
Radja Nainggolan
Neymar
Ronaldinho
Kevin de Bruyne
©2018 Confidential
Radja Nainggolan: Romelu Lukaku, Mousa Dembélé (Belgian footballer), Senna Miangue, Kevin de Bruyne, Youri Tielemans
Neymar: Ronaldinho, Ronaldo, Cristiano Ronaldo, Robinho, Thiago Silva
Discovery
Radja Nainggolan
Neymar
Ronaldinho
Kevin de Bruyne
©2018 Confidential
Team
Silèye Ba
Senior data scientist
Axel de Romblay
Data scientist
Sharone Dayan
Data scientist
Germain Tanguy
Data Engineer
François Milhem
Data Engineer
Alexandre Cormerais
Data Analyst
©2018 Confidential
Metadata, connectedto wikidata with TagMe give topics on videos.
Structured knwoledge, crossed with unstructured knowledge helps recommandation
Conclusion
@AlexandreCormerais
alexandre.cormerais@dailymotion.com

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