14248 search results - page 179 / 2850 » Queries |
150
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VLDB
2001
ACM
15 years 9 months ago
2001
ACM
In this paper we propose a new framework for dynamic distributed query processing based on so-called HyperQueries which are essentially query evaluation sub-plans “sitting behin...
172
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SIGMOD
2000
ACM
15 years 9 months ago
2000
ACM
We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (po...
151
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ECOOP
1999
Springer
15 years 9 months ago
1999
Springer
Program errors are hard to find because of the cause-effect gap between the time when an error occurs and the time when the error becomes apparent to the programmer. Although debu...
115
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ICDT
1999
ACM
15 years 8 months ago
1999
ACM
In data integration systems, queries posed to a mediator need to be translated into a sequence of queries to the underlying data sources. In a heterogeneous environment, with sour...
135
Voted
DL
1998
Springer
15 years 8 months ago
1998
Springer
We describe an extensible constructor tool that helps information experts (e.g., librarians) create specialized query synthesizers for heterogeneous digital-library environments. ...