2514 search results - page 143 / 503 » On the Computation of Approximations of Database Queries |
207
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JIDM
2010
15 years 5 months ago
2010
The need for incorporating preference querying in database technology is a very important issue in a variety of applications ranging from e-commerce to personalized search engines....
164
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DBPL
1997
Springer
15 years 10 months ago
1997
Springer
We examine the power of incremental evaluation systems that use an SQL-like language for maintaining recursively-de ned views. We show that recursive queries such as transitive clo...
261
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
Online Scientific Applications (OSA) require statistical analysis of large multidimensional datasets. Towards this end, we have designed and developed a data storage and retrieval...
158
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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
1 We consider the problem of similarity search in applications where the cost of computing the similarity between two records is very expensive, and the similarity measure is not a...
161
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JAL
2007
15 years 6 months ago
2007
Abstract. We consider the problem of estimating the length of a shortest path in a DAG whose edge lengths are known only approximately but can be determined exactly at a cost. Init...