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.

Expertise assessment is frequently required in social networks. This work proposes a method to globally

Context-based global expertise in recommendation systems

CARCHIOLO, Vincenza;LONGHEU, ALESSANDRO;MALGERI, Michele Giuseppe;MANGIONI, GIUSEPPE
2010-01-01

Abstract

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.
2010
Expertise assessment is frequently required in social networks. This work proposes a method to globally
true and recommendation; peer to peer network; social networks
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11769/6048
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