1125 search results - page 135 / 225 » Query Answering in Inconsistent Databases |
121
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SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
We develop a compact and efficient reachability labeling scheme for answering provenance queries on workflow runs that conform to a given specification. Even though a workflow run...
102
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CORR
2002
Springer
15 years 2 months ago
2002
Springer
We address the problem of minimal-change integrity maintenance in the context of integrity constraints in relational databases. We assume that integrity-restoration actions are li...
184
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ICDE
1999
IEEE
16 years 3 months ago
1999
IEEE
Indexes play a vital role in decision support systems by reducing the cost of answering complex queries. A popular methodology for choosing indexes that is adopted by database adm...
131
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ICDE
2010
IEEE
16 years 2 months ago
2010
IEEE
The rise of GPS and broadband-speed wireless devices has led to tremendous excitement about a range of applications broadly characterized as "location based services". Cu...
114
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MOBIDE
2010
ACM
15 years 2 months ago
2010
ACM
Traditional location-based services recommend nearest objects to the user by considering their spatial proximity. However, an object not only has its distance but also has its dir...