11565 search results - page 1898 / 2313 » Computing Minimal Mappings |
289
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VLDB
2002
ACM
16 years 7 months ago
2002
ACM
The view selection problem is to choose a set of views to materialize over a database schema, such that the cost of evaluating a set of workload queries is minimized and such that ...
306
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VLDB
2007
ACM
16 years 7 months ago
2007
ACM
Two central criteria for data quality are consistency and accuracy. Inconsistencies and errors in a database often emerge as violations of integrity constraints. Given a dirty dat...
313
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VLDB
2007
ACM
16 years 7 months ago
2007
ACM
We present STAR, a self-tuning algorithm that adaptively sets numeric precision constraints to accurately and efficiently answer continuous aggregate queries over distributed data...
295
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
We demonstrate the BioNav system, a novel search interface for biomedical databases, such as PubMed. BioNav enables users to navigate large number of query results by categorizing...
218
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SIGMOD
2004
ACM
16 years 7 months ago
2004
ACM
We define a framework for static optimization of sliding window conjunctive queries over infinite streams. When computational resources are sufficient, we propose that the goal of...