9359 search results - page 634 / 1872 » Generalization Algorithms for Second-Order Terms |
182
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SIGIR
2008
ACM
15 years 7 months ago
2008
ACM
We present a novel passage-based approach to re-ranking documents in an initially retrieved list so as to improve precision at top ranks. While most work on passage-based document...
170
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SIGIR
2008
ACM
15 years 7 months ago
2008
ACM
Over the years, the notion of concept relatedness has attracted considerable attention. A variety of approaches, based on ontology structure, information content, association, or ...
151
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SIGIR
2008
ACM
15 years 7 months ago
2008
ACM
Passages can be hidden within a text to circumvent their disallowed transfer. Such release of compartmentalized information is of concern to all corporate and governmental organiz...
172
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SIGIR
2008
ACM
15 years 7 months ago
2008
ACM
We introduce a statistical model for abbreviation disambiguation in Web search, based on analysis of Web data resources, including anchor text, click log and query log. By combini...
200
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SIGIR
2008
ACM
15 years 7 months ago
2008
ACM
We introduce the posterior probabilistic clustering (PPC), which provides a rigorous posterior probability interpretation for Nonnegative Matrix Factorization (NMF) and removes th...