1263 search results - page 68 / 253 » A Scalable Algorithm for Answering Queries Using Views |
116
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VLDB
2004
ACM
15 years 7 months ago
2004
ACM
We consider the problem of data sharing between autonomous data sources in an environment where constraints cannot be placed on the shared contents of sources. Our solutions rely ...
138
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SENSYS
2004
ACM
15 years 8 months ago
2004
ACM
Wireless sensor networks offer the potential to span and monitor large geographical areas inexpensively. Sensors, however, have significant power constraint (battery life), makin...
110
Voted
WWW
2002
ACM
16 years 3 months ago
2002
ACM
Web-based search engines such as Google and NorthernLight return documents that are relevant to a user query, not answers to user questions. We have developed an architecture that...
164
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SSDBM
1999
IEEE
15 years 6 months ago
1999
IEEE
Multidimensional Analysis in On-Line Analytical Processing (OLAP), and Scientific and statistical databases (SSDB) use operations requiring summary information on multi-dimensiona...
115
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SIGMOD
2001
ACM
16 years 2 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...