902 search results - page 132 / 181 » Efficient and Extensible Algorithms for Multi Query Optimiza... |
174
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SIGMOD
2009
ACM
16 years 23 days ago
2009
ACM
Reachability queries on large directed graphs have attracted much attention recently. The existing work either uses spanning structures, such as chains or trees, to compress the c...
139
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JSAC
2006
15 years 15 days ago
2006
In mobile wireless networks, dynamic allocation of resources such as transmit powers, bit-rates, and antenna beams based on the channel state information of mobile users is known t...
114
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SIGMOD
2002
ACM
16 years 20 days ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...
110
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IAJIT
2007
15 years 14 days ago
2007
: Routing is an important functional aspect in wireless ad-hoc networks that handles discovering and maintaining the paths between nodes within a network. Due to nodes mobility, th...
110
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TKDE
2011
14 years 7 months ago
2011
— Search queries on biomedical databases, such as PubMed, often return a large number of results, only a small subset of which is relevant to the user. Ranking and categorization...