3836 search results - page 181 / 768 » Semantics of Database Transformations |
128
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SPIESR
1996
15 years 5 months ago
1996
Two approaches for integrating images into the framework of a database management system are presented. The classi cation approach preprocesses all images and attaches a semantic ...
131
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ISI
2006
Springer
15 years 4 months ago
2006
Springer
Access control mechanisms are commonly used to provide control over who may access sensitive information. However, malicious users can exploit the correlation among the data and in...
135
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VLDB
1991
ACM
15 years 7 months ago
1991
ACM
Domain mismatch and schema mismatch are two of the important semantic integration problems for interoperating heterogeneous databases. This paper structures the domain mismatch pr...
150
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SUM
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. We present the Consistency Extractor System (ConsEx) that uses answer set programming to compute consistent answers to first-order queries posed to relational databases ...
135
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DAWAK
2009
Springer
15 years 8 months ago
2009
Springer
Frequent constraint violations on the data stored in a database may suggest that the semantics of the represented reality is changing. In this work we propose a methodology and a t...