Diversity by proportionality: an election-based approach to search result diversification

Abstract

This paper presents a different perspective on diversity in search results: diversity by proportionality. We consider a result list most diverse, with respect to some set of topics related to the query, when the number of documents it provides on each topic is proportional to the topic's popularity. Consequently, we propose a framework for optimizing… (More)
DOI: 10.1145/2348283.2348296

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