5107 search results - page 319 / 1022 » Data Mining and Information Retrieval |
180
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CCS
2009
ACM
16 years 1 months ago
2009
ACM
Role mining algorithms address an important access control problem: configuring a role-based access control system. Given a direct assignment of users to permissions, role mining...
152
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CIKM
2001
Springer
15 years 11 months ago
2001
Springer
Phonetic speech retrieval is used to augment word based retrieval in spoken document retrieval systems, for in and out of vocabulary words. In this paper, we present a new indexin...
224
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IR
2010
15 years 4 months ago
2010
The retrieval of sentences that are relevant to a given information need is a challenging passage retrieval task. In this context, the well-known vocabulary mismatch problem arises...
192
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JCDL
2004
ACM
16 years 4 days ago
2004
ACM
Users’ cross-lingual queries to a digital library system might be short and not included in a common translation dictionary (unknown terms). In this paper, we investigate the fe...
173
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DAWAK
2003
Springer
15 years 12 months ago
2003
Springer
Abstract In data clustering, many approaches have been proposed. For example, K-means method and hierarchical method. A problem is in effect by initial value and criterion to comb...