1611 search results - page 78 / 323 » Supporting Exploratory Queries in Databases |
265
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ICDE
1997
IEEE
16 years 7 months ago
1997
IEEE
A mediator is a domain-speci c tool to support uniform access to multiple heterogeneous information sources and to abstract and combine data from different but related databases t...
172
Voted
VLDB
1991
ACM
15 years 9 months ago
1991
ACM
In order to cope efficiently with simple or complex queries as well as different application requirements (e.g., ad-hoc versus repetitive queries), a query optimizer ought to supp...
156
Voted
TIME
1997
IEEE
15 years 10 months ago
1997
IEEE
Temporal databases provide built-in supports for efficient recording and querying of time-evolving data. In this paper, data clustering issues in temporal database environment are...
174
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WWW
2003
ACM
15 years 11 months ago
2003
ACM
Support for temporal text-containment queries (query for all versions of documents that contained one or more particular words at a particular time t) is of interest in a number of...
370
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ICDE
2009
IEEE
16 years 7 months ago
2009
IEEE
Auditing the changes to a database is critical for identifying malicious behavior, maintaining data quality, and improving system performance. But an accurate audit log is a histor...