2674 search results - page 136 / 535 » Data Models and Query Languages for Spatial Databases |
110
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VLDB
1990
ACM
15 years 9 months ago
1990
ACM
In this paper we describe a new language for statistical data modelling, which offers a general framework for the representation of elementary and summarydata.Thereare threemain c...
257
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GIS
2004
ACM
16 years 6 months ago
2004
ACM
Modern database applications including computer-aided design, multimedia information systems, medical imaging, molecular biology, or geographical information systems impose new re...
207
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JMLR
2012
13 years 7 months ago
2012
Given a point set S and an unknown metric d on S, we study the problem of efficiently partitioning S into k clusters while querying few distances between the points. In our model...
129
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ER
2001
Springer
15 years 9 months ago
2001
Springer
Abstract Spatio-temporal extensions to data models have been an active area of research for a number of years. To date, much of this work has focused on the relational data model, ...
140
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VLDB
1989
ACM
15 years 9 months ago
1989
ACM
: We describe the architecture of a relational databasesystem that is extensible by user-defined data types and operations, including relation operations. The central concept is to...