9842 search results - page 1539 / 1969 » Problem complexity |
316
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
A fundamental problem in information integration is that of designing the relationships, called schema mappings, between two schemas. The specification of a semantically correct sc...
304
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
This paper investigates the view update problem for XML views published from relational data. We consider (possibly) recursively defined XML views, compressed into DAGs and stored...
294
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ICDE
2006
IEEE
16 years 8 months ago
2006
IEEE
We present MiniCount, the first efficient sound and complete algorithm for finding maximally contained rewritings of conjunctive queries with count, using conjunctive views with c...
289
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ICDE
2006
IEEE
16 years 8 months ago
2006
IEEE
This paper explores an inherent tension in modeling and querying uncertain data: simple, intuitive representations of uncertain data capture many application requirements, but the...
266
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ICDE
1998
IEEE
16 years 8 months ago
1998
IEEE
We have a large database consisting of sales transactions. We investigate the problem of online mining of association rules in this large database. We show how to preprocess the d...