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- 842 title "Ranking Specialization for Web Search: A Divide-and-Conquer Approach by Using Topical RankSVM".
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- item-1 hasContent jiang-bian.
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- item-2 hasContent xin-li.
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- item-3 hasContent fan-li.
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- item-4 hasContent zhaohui-zheng.
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- item-5 hasContent hongyuan-zha.
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- 845 creator craig-macdonald.
- 845 creator iadh-ounis.
- 845 creator rodrygo-santos.
- 845 type InProceedings.
- 845 label "Exploiting Query Reformulations for Web Search Result Diversification".
- 845 sameAs 845.
- 845 abstract "When a user's underlying information need cannot be unambiguously determined from an initial query, an effective approach is to diversify the results retrieved for this query. In this paper, we introduce a novel probabilistic framework for search result diversification, which explicitly accounts for the various aspects associated to a query. In particular, we estimate how well a given document satisfies each uncovered aspect and how well different aspects are satisfied by the result ranking as a whole, so as to effectively and efficiently achieve the desired objective of diversification. We thoroughly evaluate our framework in the context of the diversity task of the TREC 2009 Web track. Moreover, we exploit query reformulations provided by three major Web search engines (WSEs) as a means to uncover different query aspects. The results attest the effectiveness of our framework when compared to state-of-the-art diversification approaches. Additionally, by simulating an upper-bound query suggestion mechanism from official TREC data, we draw insights regarding the effectiveness of the query reformulations generated by the different WSEs in promoting diversity.".
- 845 hasAuthorList authorList.
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- 845 keyword "Query processing".
- 845 keyword "diversity".
- 845 keyword "ranking".
- 845 keyword "relevance".
- 845 keyword "retrieval".
- 845 title "Exploiting Query Reformulations for Web Search Result Diversification".
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- item-1 hasContent rodrygo-santos.
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- item-2 hasContent craig-macdonald.
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- item-3 hasContent iadh-ounis.
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- 858 creator eduarda-mendes-rodrigues.
- 858 creator elena-zheleva.
- 858 creator john-guiver.
- 858 creator natasa-milic-frayling.
- 858 type InProceedings.
- 858 label "Statistical Models of Music-listening Sessions in Social Media".
- 858 sameAs 858.
- 858 abstract "User experience in social media is characterized by rich interaction with the media content and other participants within the online community. We use statistical models to describe the patterns of music listening in online communities at different levels of model complexity. First, we adapt the LDA model to capture the users’ taste in songs and identify the corresponding clusters of media and users. Second, we define a graphical model that takes into consideration the listening sessions and captures the listening mood of users. Our session model yields clusters of media and users that capture the behavior exhibited across listening sessions, and it allows faster inference when compared to the LDA model. Our experiments with the data from an online media site (Zune Social music community) demonstrate that the session model is better in terms of the perplexity on the music genre co-occurrence compared to the LDA-based taste model that does not incorporate cross-session information and a baseline model that does not use latent clusters.".
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- 858 keyword "Community discovery".
- 858 keyword "social media analysis".
- 858 keyword "social network analysis".
- 858 keyword "structure modeling".
- 858 title "Statistical Models of Music-listening Sessions in Social Media".
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- item-1 hasContent elena-zheleva.
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- item-2 hasContent john-guiver.
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- item-4 hasContent natasa-milic-frayling.
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- 872 creator adam-barth.
- 872 creator collin-jackson.
- 872 creator daniel-bates.
- 872 type InProceedings.
- 872 label "Regular Expressions Considered Harmful in Client-Side XSS Filters".
- 872 sameAs 872.