2228 search results - page 164 / 446 » A System for Semantic Query Optimization |
127
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AMW
2010
15 years 4 months ago
2010
Traditional optimizers fail to pick good execution plans, when faced with increasingly complex queries and large data sets. This failure is even more acute in the context of XQuery...
130
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COOPIS
2002
IEEE
15 years 8 months ago
2002
IEEE
This paper addresses several problems associated with the specification of Web searches, and the retrieval, filtering, and rating of Web pages in order to improve the relevance, pr...
134
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KAIS
2008
15 years 3 months ago
2008
Abstract. Peer-to-Peer systems have proven to be an effective way of sharing data. Modern protocols are able to efficiently route a message to a given peer. However, determining th...
141
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RECSYS
2009
ACM
15 years 9 months ago
2009
ACM
Current conversational recommender systems are unable to offer guarantees on the quality of their recommendations due to a lack of principled user utility models. We develop an ap...
148
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SIGIR
2004
ACM
15 years 8 months ago
2004
ACM
Document-centric XML collections contain text-rich documents, marked up with XML tags. The tags add lightweight semantics to the text. Querying such collections calls for a hybrid...