12766 search results - page 315 / 2554 » collective |
173
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WEA
2005
Springer
16 years 4 days ago
2005
Springer
The vertex cover problem is a classic NP-complete problem for which the best worst-case approximation ratio is roughly 2. In this paper, we use a collection of simple reductions, e...
157
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SIGIR
2004
ACM
16 years 2 days ago
2004
ACM
This paper describes the Patent Retrieval Task in the Fourth NTCIR Workshop, and the test collections produced in this task. We perform the invalidity search task, in which each p...
147
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ADC
2004
Springer
16 years 2 days ago
2004
Springer
In information retrieval, queries can fail to find documents due to mismatch in terminology. Query expansion is a well-known technique addressing this problem, where additional q...
166
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ICADL
2004
Springer
16 years 1 days ago
2004
Springer
Abstract. Digital libraries are large, organized collections of information objects. Well-designed digital library software has the potential to enable nonspecialist people to conc...
136
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IJCNLP
2004
Springer
16 years 1 days ago
2004
Springer
Abstract. This paper addresses the issue of post-transfer process in paraphrasing. Our previous investigation into transfer errors revealed that case assignment tends to be incorre...