654 search results - page 92 / 131 » Complexity of Answering Queries Using Materialized Views |
142
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FOCS
2009
IEEE
15 years 6 months ago
2009
IEEE
Abstract— Thorup and Zwick, in their seminal work, introduced the approximate distance oracle, which is a data structure that answers distance queries in a graph. For any integer...
119
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CIKM
2006
Springer
15 years 1 months ago
2006
Springer
Due to the resource limitation in the data stream environment, it has been reported that answering user queries according to the wavelet synopsis of a stream is an essential abili...
101
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KRDB
1998
15 years 1 months ago
1998
We present a semantic caching approach for optimizing the performance of information mediators. A critical problem with information mediators, particularly those gathering and int...
105
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FLAIRS
2007
15 years 2 months ago
2007
The basic aim of the model proposed here is to automatically build semantic metatext structure for texts that would allow us to search and extract discourse and semantic informati...
COOPIS
2004
IEEE
15 years 3 months ago
2004
IEEE
Semantically heterogeneous and distributed data sources are quite common in several application domains such as bioinformatics and security informatics. In such a setting, each dat...