1430 search results - page 150 / 286 » Query operations for moving objects database systems |
192
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CIDM
2007
IEEE
15 years 10 months ago
2007
IEEE
Recently the academic communities have paid more attention to the queries and mining on uncertain data. In the tasks such as clustering or nearest-neighbor queries, expected distan...
170
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AMW
2009
15 years 7 months ago
2009
Conventional operators for data retrieval are either based on exact matching or on total order relationship among elements. Neither of them is appropriate to manage complex data, s...
157
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PODS
2002
ACM
16 years 6 months ago
2002
ACM
We study two classes of view update problems in relational databases. We are given a source database S, a monotone query Q, and the view Q(S) generated by the query. The first pro...
198
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IDEAS
2003
IEEE
15 years 11 months ago
2003
IEEE
In the past few years, much attention has been paid to the study of semistructured data, i.e., data with irregular, possibly unstable, and rapidly changing structure, and, in part...
164
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ADBIS
2004
Springer
15 years 11 months ago
2004
Springer
In this paper we describe a prototype implementation of updateable views called “SBQL Views”. The prototype follows a novel approach to view updates based on the Stack-Based Ap...