28 search results - page 4 / 6 » Specifying Rule-Based Query Optimizers in a Reflective Frame... |
DMSN
2007
ACM
15 years 1 months ago
2007
ACM
Many sensor network applications monitor continuous phenomena by sampling, and fit time-varying models that capture the phenomena's behaviors. We introduce Pulse, a framework...
EDBTW
2006
Springer
15 years 1 months ago
2006
Springer
One of the goals of cleaning an inconsistent database is to remove conflicts between tuples. Typically, the user specifies how the conflicts should be resolved. Sometimes this spec...
SIGIR
2008
ACM
14 years 10 months ago
2008
ACM
Evaluation measures act as objective functions to be optimized by information retrieval systems. Such objective functions must accurately reflect user requirements, particularly w...
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
SQL extensions that allow queries to explicitly specify data quality requirements in terms of currency and consistency were proposed in an earlier paper. This paper develops a dat...
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
The growing nature of databases, and the flexibility inherent in the SQL query language that allows arbitrarily complex formulations, can result in queries that take inordinate am...