4438 search results - page 306 / 888 » Speculative Query Processing |
220
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SSD
2005
Springer
16 years 21 days ago
2005
Springer
Abstract. A top-k OLAP query groups measures with respect to some abstraction level of interesting dimensions and selects the k groups with the highest aggregate value. An example ...
192
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VLDB
2005
ACM
16 years 21 days ago
2005
ACM
This paper addresses the efficient processing of top-k queries in wide-area distributed data repositories where the index lists for the attribute values (or text terms) of a query...
205
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DOLAP
2004
ACM
16 years 20 days ago
2004
ACM
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...
202
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ADBIS
2003
Springer
16 years 14 days 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...
196
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SSD
2009
Springer
15 years 11 months ago
2009
Springer
We introduce TOQL, a query language for querying time information in ontologies. TOQL is a high level query language that handles ontologies almost like relational databases. Queri...