Context-based Global Expertise in Recommendation Systen

Context-based Global Expertise in Recommendation Systen

Expertise assessment is frequently required in social networks. This work proposes a method to globally rank people according to their expertise according to a set of topics We also introduce contexts similarity to allow related contexts to be exploited in expertise assessment. These ideas are appli...

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Veröffentlicht in:Informatica (Ljubljana) 2010-12, Vol.34 (4), p.409-417
Hauptverfasser: Carchiolo, V, Longheu, A, Malgeri, M, Mangioni, G
Format: Artikel
Sprache:eng
Schlagworte:
Assessments
Computation
Networks
Similarity
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Zusammenfassung:Expertise assessment is frequently required in social networks. This work proposes a method to globally rank people according to their expertise according to a set of topics We also introduce contexts similarity to allow related contexts to be exploited in expertise assessment. These ideas are applied to the Epinions.com recommender systems, showing that expertise in recommendation matters.
ISSN:0350-5596