964 search results - page 129 / 193 » Efficiently Ordering Query Plans for Data Integration |
233
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ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
A top-k query combines different rankings of the same set of objects and returns the k objects with the highest combined score according to an aggregate function. We bring to ligh...
150
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SIGMOD
2002
ACM
16 years 4 months 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...
172
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MST
2006
15 years 4 months ago
2006
Load balancing is a critical issue for the efficient operation of peerto-peer networks. We give two new load-balancing protocols whose provable performance guarantees are within a...
144
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ICDE
2006
IEEE
15 years 10 months ago
2006
IEEE
It has been well recognized that data mining is an interactive and iterative process. In order to support this process, one of the long-term goals of data mining research has been...
140
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ICEIS
2002
IEEE
15 years 9 months ago
2002
IEEE
: The World-Wide-Web contains data that cannot be constrained by a schema. Another source for such data is heterogenous corporate systems which are integrated in order to get bette...