1487 search results - page 146 / 298 » Representing and Querying Data Transformations |
119
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GIS
2010
ACM
15 years 5 days ago
2010
ACM
We present Ontuition, a system for mapping ontologies. Transforming data to a usable format for Ontuition involves recognizing and resolving data values corresponding to concepts ...
123
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SIGMOD
2010
ACM
15 years 6 months ago
2010
ACM
We consider the problem of computing all-pair correlations in a warehouse containing a large number (e.g., tens of thousands) of time-series (or, signals). The problem arises in a...
164
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DEBU
2010
15 years 1 months ago
2010
The proliferation of knowledge-sharing communities like Wikipedia and the advances in automated information extraction from Web pages enable the construction of large knowledge ba...
VLDB
2004
ACM
15 years 7 months ago
2004
ACM
We present an annotation management system for relational databases. In this system, every piece of data in a relation is assumed to have zero or more annotations associated with ...
115
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HICSS
2003
IEEE
15 years 7 months ago
2003
IEEE
Many organizations often underutilize their already constructed data warehouses. In this paper, we suggest a novel way of acquiring more information from corporate data warehouses...