|Evaluating the trade-offs between diversity and precision for Web image search using concept-based query expansion|
|Author(s)||Hoque E., Hoeber O., Gong M.|
|Published in||Proceedings - 2011 IEEE/WIC/ACM International Joint Conferences on Web Intelligence and Intelligent Agent Technology - Workshops, WI-IAT 2011|
|Keyword(s)||Concept-based query expansion, Diversity-precision trade-off, Image search results diversification (Extra: Automatic method, Common sense, Concept-based, Diversity-precision trade-off, Image search, Image search results diversification, Query expansion, Relevance ranking, Search results, Side effect, Web image search, Wikipedia, Commerce, Economic and social effects, Expansion, Intelligent agents, User interfaces, World Wide Web, Search engines)|
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Evaluating the trade-offs between diversity and precision for Web image search using concept-based query expansion is a 2011 conference paper written in English by Hoque E., Hoeber O., Gong M. and published in Proceedings - 2011 IEEE/WIC/ACM International Joint Conferences on Web Intelligence and Intelligent Agent Technology - Workshops, WI-IAT 2011.
Even though Web image search queries are often ambiguous, traditional search engines retrieve and present results solely based on relevance ranking, where only the most common and popular interpretations of the query are considered. Rather than assuming that all users are interested in the most common meaning of the query, a more sensible approach may be to produce a diversified set of images that cover the various aspects of the query, under the expectation that at least one of these interpretations will match the searcher's needs. However, such a promotion of diversity in the search results has the side-effect of decreasing the precision of the most common sense. In this paper, we evaluate this trade-off in the context of a method for explicitly diversifying image search results via concept-based query expansion using Wikipedia. Experiments with controlling the degree of diversification illustrate this balance between diversity and precision for both ambiguous and specific queries. Our ultimate goal of this research is to propose an automatic method for tuning the diversification parameter based on degree of ambiguity of the original query.
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