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227
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
We demonstrate our prototype of the DBO database system. DBO is designed to facilitate scalable analytic processing over large data archives. DBO's analytic processing perfor...
162
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COMPGEOM
2006
ACM
16 years 1 days ago
2006
ACM
We investigate a new class of geometric problems based on the idea of online error correction. Suppose one is given access to a large geometric dataset though a query mechanism; f...
157
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CCCG
2006
15 years 7 months ago
2006
For a given point set in Euclidean space we consider the problem of finding (approximate) nearest neighbors of a query point but restricting only to points that lie within a fixed...
229
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COMAD
2009
15 years 7 months ago
2009
An ontology is an explicit specification of shared conceptualization. The Web Ontology Language (OWL) is a family of knowledge representation languages for authoring ontologies, a...
208
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Date's popular critique of SQL's three-valued logic [4, 3] purports to demonstrate that SQL queries can produce erroneous results when nulls are present in the database....