4616 search results - page 752 / 924 » Beyond relational databases |
251
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Schema integration is the problem of creating a unified target schema based on a set of existing source schemas that relate to each other via specified correspondences. The unifie...
278
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Declarative data quality has been an active research topic. The fundamental principle behind a declarative approach to data quality is the use of declarative statements to realize...
275
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
The Swiss National Competence Center for Research in mobile Information and Communication Systems (NCCR-MICS or MICS) is one of several research initiatives sponsored by the Swiss...
294
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
XML documents are normally stored as plain text files. Hence, the natural and most convenient way to update XML documents is to simply edit the text files. But efficient query eva...
178
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SIGMOD
2002
ACM
16 years 6 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...