902 search results - page 58 / 181 » Efficient and Extensible Algorithms for Multi Query Optimiza... |
129
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ICRA
2009
IEEE
15 years 4 days ago
2009
IEEE
Abstract-- Existing high-dimensional motion planning algorithms are simultaneously overpowered and underpowered. In domains sparsely populated by obstacles, the heuristics used by ...
141
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PODS
2003
ACM
16 years 2 months ago
2003
ACM
Full disjunctions are an associative extension of the outerjoin operator to an arbitrary number of relations. Their main advantage is the ability to maximally combine data from di...
139
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ICWS
2009
IEEE
15 years 4 days ago
2009
IEEE
DHTs are scalable, self-organizing, and adaptive to underlying topology changes, thus being a promising infrastructure for realizing efficient Web service discovery. Range queries...
199
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SIGMOD
2009
ACM
16 years 2 months ago
2009
ACM
Existing works in XML keyword search have addressed the problem of finding matching results of a query. However, user input queries always contain irrelevant or mismatched terms, ...
136
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SIGMOD
2003
ACM
16 years 2 months ago
2003
ACM
In this paper, we study whether the need for efficient XML publishing brings any new requirements for relational query engines, or if sorting query results in the relational engin...