2475 search results - page 446 / 495 » Question Answering in TREC |
171
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SIGMOD
2007
ACM
15 years 12 months ago
2007
ACM
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...
104
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SIGMOD
2004
ACM
15 years 12 months ago
2004
ACM
As more and more query processing work can be done in main memory, memory access is becoming a significant cost component of database operations. Recent database research has show...
110
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SIGMOD
2003
ACM
15 years 12 months ago
2003
ACM
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...
EDBT
2004
ACM
15 years 12 months ago
2004
ACM
Abstract. Recent years have witnessed an increasing interest in designing algorithms for querying and analyzing streaming data (i.e., data that is seen only once in a fixed order) ...
100
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MOBISYS
2004
ACM
15 years 11 months ago
2004
ACM
We study the problem of tracking a moving device under two indoor location architectures: an active mobile architecture and a passive mobile architecture. In the former, the infra...