9683 search results - page 301 / 1937 » Query performance prediction |
158
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MSWIM
2005
ACM
15 years 9 months ago
2005
ACM
An analytical model is proposed to describe the priority schemes of the EDCA mechanism of the IEEE 802.11e standard. EDCA provides class-based differentiated QoS to IEEE 802.11 WL...
129
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WWW
2010
ACM
15 years 11 months ago
2010
ACM
In this paper, we address the problem of database selection for XML document collections, that is, given a set of collections and a user query, how to rank the collections based o...
115
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ESWS
2007
Springer
15 years 10 months ago
2007
Springer
Complex relationships, frequently referred to as semantic associations, are the essence of the Semantic Web. Query and retrieval of semantic associations has been an important task...
153
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AIRWEB
2008
Springer
15 years 6 months ago
2008
Springer
As web search providers seek to improve both relevance and response times, they are challenged by the ever-increasing tax of automated search query traffic. Third party systems in...
164
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ICDE
2002
IEEE
15 years 9 months ago
2002
IEEE
Unity is an architecture for integrating relational databases that performs three processes: metadata capture, semantic integration, and query formulation and execution. The found...