620 search results - page 79 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
125
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JIIS
2007
15 years 3 months ago
2007
The Internet has instigated a critical need for automated tools that facilitate integrating countless databases. Since non-technical end users are often the ultimate repositories ...
134
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ADBIS
2003
Springer
15 years 9 months ago
2003
Springer
Let a tuple of n objects obeying a query graph (QG) be called the n-tuple. The “Ddistance-value” of this n-tuple is the value of a linear function of distances of the n objects...
165
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CIKM
2003
Springer
15 years 9 months ago
2003
Springer
There have been several techniques proposed for building statistics for static XML data. However, very little work has been done in the area of building XML statistics for data so...
169
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IPPS
1999
IEEE
15 years 8 months ago
1999
IEEE
Multidimensional Analysis and On-Line Analytical Processing (OLAP) uses summary information that requires aggregate operations along one or more dimensions of numerical data value...
256
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ICDE
1996
IEEE
16 years 5 months ago
1996
IEEE
This paper presents a difference calculus for determining changes to rule conditions in an active DBMS. The calculus has been used for implementing an algorithm to efficiently mon...