1487 search results - page 104 / 298 » Representing and Querying Data Transformations |
EDBT
2002
ACM
16 years 1 months ago
2002
ACM
Maintaining statistics on multidimensional data distributions is crucial for predicting the run-time and result size of queries and data analysis tasks with acceptable accuracy. To...
176
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VLDB
2007
ACM
16 years 1 months ago
2007
ACM
When integrating data from heterogeneous sources, it is often necessary to transform both the schemas and the data from the underlying sources in order to present the integrated d...
208
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CRV
2011
IEEE
14 years 1 months ago
2011
IEEE
—We present an algorithm that finds the rotation which best aligns a given configuration of directions on an unsorted set of directions. Using a cost function that we derive in...
SSDBM
2010
IEEE
15 years 6 months ago
2010
IEEE
We present a technique for organizing data in spatial databases with non-convex domains based on an automatic characterization using the medial-axis transform (MAT). We define a t...
102
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RULEML
2009
Springer
15 years 8 months ago
2009
Springer
Abstract. We present the Tom language that extends Java with the purpose of providing high level constructs inspired by the rewriting community. Tom bridges thus the gap between a ...