2514 search results - page 201 / 503 » On the Computation of Approximations of Database Queries |
151
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ICLP
2010
Springer
15 years 10 months ago
2010
Springer
Abstract. Bottom-up evaluation is a central part of query evaluation / program execution in deductive databases. It is used after a source code optimization like magic sets or SLDm...
150
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SIGCSE
2005
ACM
16 years 5 days ago
2005
ACM
Universities are increasingly offering courses online. Feedback, assessment, and guidance are important features of this online courseware. Together, in the absence of a human tut...
199
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VLDB
2011
ACM
15 years 1 months ago
2011
ACM
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...
197
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ESCIENCE
2007
IEEE
15 years 10 months ago
2007
IEEE
Provenance management has become increasingly important to support scientific discovery reproducibility, result interpretation, and problem diagnosis in scientific workflow enviro...
302
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ICDT
2011
ACM
14 years 10 months ago
2011
ACM
Distributed data management systems consist of peers that store, exchange and process data in order to collaboratively achieve a common goal, such as evaluate some query. We study...