2228 search results - page 250 / 446 » A System for Semantic Query Optimization |
253
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ICDE
2008
IEEE
17 years 2 months ago
2008
IEEE
This paper introduces an efficient algorithm for Producing Early Results in Multi-join query plans (PermJoin, for short). While most previous research focuses only on the
case of ...
229
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ICLP
2009
Springer
16 years 3 months ago
2009
Springer
Probabilistic logic programs (PLPs) define a set of probability distribution functions (PDFs) over the set of all Herbrand interpretations of the underlying logical language. When...
103
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RTCSA
2008
IEEE
15 years 9 months ago
2008
IEEE
This paper addresses the problem of using the Location IDentifier (LID) as the domain value of the index for trajectories of RFID tags and proposes the solution for solving this p...
122
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STDBM
2004
Springer
15 years 8 months ago
2004
Springer
This paper introduces the Dynamic Cascade Tree (DCT), a structure designed to index query regions on multi-dimensional data streams. The DCT is designed for a stream management sy...
127
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WWW
2007
ACM
16 years 3 months ago
2007
ACM
As XML database sizes grow, the amount of space used for storing the data and auxiliary data structures becomes a major factor in query and update performance. This paper presents...