123 search results - page 15 / 25 » Incremental Reorganization of Relational Databases |
182
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
The paper proposes an extension of CFDs [1], referred to as extended Conditional Functional Dependencies (eCFDs). In contrast to CFDs, eCFDs specify patterns of semantically relate...
SIGMOD
1999
ACM
15 years 4 months ago
1999
ACM
In large data warehousing environments, it is often advantageous to provide fast, approximate answers to complex aggregate queries based on statistical summaries of the full data....
203
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GIS
2008
ACM
16 years 24 days ago
2008
ACM
Geospatial information integration is not a trivial task. An integrated view must be able to describe various heterogeneous data sources and its interrelation to obtain shared con...
103
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SIGMOD
2004
ACM
15 years 12 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
ICDT
2007
ACM
15 years 5 months ago
2007
ACM
Abstract. In many cases, users may want to consider incomplete answers to their queries. Often, however, there is an overwhelming number of such answers, even if subsumed answers a...