9359 search results - page 633 / 1872 » Generalization Algorithms for Second-Order Terms |
204
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SIGIR
2008
ACM
15 years 7 months ago
2008
ACM
In this paper, we show how a user profile can be enhanced when a more detailed description of the products is included. Two main assumptions have been considered: the first implie...
145
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SIGIR
2008
ACM
15 years 7 months ago
2008
ACM
There has been recent interest in collecting user or assessor preferences, rather than absolute judgments of relevance, for the evaluation or learning of ranking algorithms. Since...
152
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SIGIR
2008
ACM
15 years 7 months ago
2008
ACM
Collaborative tagging used in online social content systems is naturally characterized by many synonyms, causing low precision retrieval. We propose a mechanism based on user pref...
179
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SIGIR
2008
ACM
15 years 7 months ago
2008
ACM
Pseudo-feedback-based automatic query expansion yields effective retrieval performance on average, but results in performance inferior to that of using the original query for many...
166
click to vote
SIGIR
2008
ACM
15 years 7 months ago
2008
ACM
Bag-of-visual-words (BoW) has been popular for visual classification in recent years. In this paper, we propose a novel BoW expansion method to alleviate the effect of visual word...