7607 search results - page 204 / 1522 » Querying data provenance |
154
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PVLDB
2010
15 years 5 months ago
2010
This paper addresses the problem of explaining missing answers in queries that include selection, projection, join, union, aggregation and grouping (SPJUA). Explaining missing ans...
178
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EDBT
2004
ACM
16 years 6 months ago
2004
ACM
Given the current trend towards application interoperability and XML-based data integration, there is an increasing need for XML interfaces to relational database management system...
163
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GVD
2009
15 years 4 months ago
2009
Evaluating a traditional database query against a data tuple returns a true on match and a false on mismatch. Unfortunately, there are many application scenarios where such an eva...
157
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SIGMOD
1995
ACM
15 years 10 months ago
1995
ACM
When querying a temporal database, a user often makes certain semantic assumptions on stored temporal data. This paper formalizes and studies two types of semantic assumptions: po...
175
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SIGKDD
2008
15 years 6 months ago
2008
Advances in telecommunications and GPS sensors technology have made possible the collection of data like time series of locations, related to the movement of individuals. The anal...