6905 search results - page 280 / 1381 » Querying Multidimensional Databases |
227
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Date's popular critique of SQL's three-valued logic [4, 3] purports to demonstrate that SQL queries can produce erroneous results when nulls are present in the database....
170
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CTRSA
2008
Springer
15 years 8 months ago
2008
Springer
We develop new algorithmic and cryptographic techniques for authenticating the results of queries over databases that are outsourced to an untrusted responder. We depart from previ...
171
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DEXA
2008
Springer
15 years 8 months ago
2008
Springer
The query performance for tracing tags depends upon the distribution of tag trajectories in the data space. We examine a more efficient representation of tag trajectories by means ...
175
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CIKM
2010
Springer
15 years 4 months ago
2010
Springer
This paper proposes a ranking method to exploit statistical correlations among pairs of attribute values in relational databases. For a given query, the correlations of the query ...
206
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TIME
2007
IEEE
16 years 28 days ago
2007
IEEE
Transaction-time temporal databases and query languages provide a solid framework for analyzing properties of queries over data streams. In this paper we focus on issues connected...