7123 search results - page 1403 / 1425 » The Ordered Set of Rough Sets |
109
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PVLDB
2010
14 years 11 months ago
2010
The need to improve a suboptimal execution plan picked by the query optimizer for a repeatedly run SQL query arises routinely. Complex expressions, skewed or correlated data, and ...
119
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PVLDB
2010
14 years 11 months ago
2010
Keyword search in relational databases has been extensively studied. Given a relational database, a keyword query finds a set of interconnected tuple structures connected by fore...
129
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PVLDB
2010
14 years 11 months ago
2010
Graphs are of growing importance in modeling complex structures such as chemical compounds, proteins, images, and program dependence. Given a query graph Q, the subgraph isomorphi...
157
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TIFS
2010
14 years 11 months ago
2010
—The multipath-rich wireless environment associated with typical wireless usage scenarios is characterized by a fading channel response that is time-varying, location-sensitive, ...
140
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VTC
2010
IEEE
14 years 11 months ago
2010
IEEE
—This paper proposes a cooperative space-time coding (STC) protocol, amalgamating the concepts of asynchronous cooperation, non-coherent detection as well as Distributed Turbo Co...