3319 search results - page 67 / 664 » Type Theoretical Databases |
MDM
2004
Springer
15 years 3 months ago
2004
Springer
In this paper, we consider a data model for uncertain trajectories of moving objects. In our model, the trajectory is a vector of uniform stochastic processes. We study “univers...
VLDB
1989
ACM
15 years 1 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...
TMM
2002
14 years 9 months ago
2002
This paper presents the rudiments of a theory of schema design for databases containing high dimensional features of the type used for describing multimedia data. We introduce a mo...
DATAMINE
2011
14 years 1 months ago
2011
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GIS
2005
ACM
15 years 10 months ago
2005
ACM
A necessary step in the implementation of three-dimensional spatial data types for spatial database systems and GIS is the development of robust geometric primitives. The authors ...