2514 search results - page 153 / 503 » On the Computation of Approximations of Database Queries |
257
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PODS
2009
ACM
16 years 7 months ago
2009
ACM
The paper investigates the question of whether a partially closed database has complete information to answer a query. In practice an enterprise often maintains master data Dm, a ...
204
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ICEB
2004
15 years 8 months ago
2004
A patent always contains some images along with the text. Many text based systems have been developed to search the patent database. In this paper, we describe PATSEEK that is an ...
177
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ICIP
2002
IEEE
16 years 8 months ago
2002
IEEE
Euclidean distance measure has been used in comparing feature vectors of images, while cosine angle distance measure is used in document retrieval. In this paper, we theoretically...
168
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SIGMOD
2010
ACM
15 years 11 months ago
2010
ACM
Many advanced data management operations (e.g., incremental maintenance, trust assessment, debugging schema mappings, keyword search over databases, or query answering in probabil...
168
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DOLAP
2009
ACM
16 years 1 months ago
2009
ACM
In this paper, we investigate the problem of answering top-k queries via materialized views. We provide theoretical guarantees for the adequacy of a view to answer a top-k query, ...