8647 search results - page 17 / 1730 » The Container Selection Problem |
70
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WWW
2010
ACM
15 years 4 months ago
2010
ACM
In this paper, we address the problem of database selection for XML document collections, that is, given a set of collections and a user query, how to rank the collections based o...
159
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ICDE
1997
IEEE
15 years 11 months ago
1997
IEEE
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
AICT
2006
IEEE
15 years 3 months ago
2006
IEEE
The Web Services framework, since it leverages the Service Oriented Architecture model, enables the development of applications that are loosely coupled and easier to manage. A We...
VLDB
2004
ACM
15 years 2 months ago
2004
ACM
Query containment is the most fundamental relationship between a pair of database queries: a query Q is said to be contained in a query Q if the answer for Q is always a subset of...
PODS
2004
ACM
15 years 9 months ago
2004
ACM
The problem of deciding query containment has important applications in classical query optimization and heterogeneous database systems. Query containment is undecidable for unres...