2514 search results - page 33 / 503 » On the Computation of Approximations of Database Queries |
193
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EDBT
2009
ACM
15 years 10 months ago
2009
ACM
Given a set of n query points in a general metric space, a metricspace skyline (MSS) query asks what are the closest points to all these query points in the database. Here, consid...
205
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
The rapid adoption of XML as the standard for data representation and exchange foreshadows a massive increase in the amounts of XML data collected, maintained, and queried over th...
144
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GIS
1999
ACM
15 years 10 months ago
1999
ACM
: The paper is concerned with the effective and efficient processing of spatiotemporal selection queries under varying degrees of approximation. Such queries may employ operators l...
275
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GIS
2007
ACM
16 years 7 months ago
2007
ACM
In this paper, we present an original network graph embedding to speed-up distance-range and k-nearest neighbor queries in (weighted) graphs. Our approach implements the paradigm ...
214
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SPIRE
2010
Springer
15 years 4 months ago
2010
Springer
Abstract. Colored range queries are a well-studied topic in computational geometry and database research that, in the past decade, have found exciting applications in information r...