4397 search results - page 265 / 880 » Relational Algebra Operations |
119
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FLAIRS
2003
15 years 5 months ago
2003
In this paper, we discuss a formalism for modeling regions that are exposed to movement or deformation. The basis of our formalism is the RCC theory, which uses topological relati...
149
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BNCOD
2009
15 years 5 months ago
2009
Abstract. Database systems (DBSs) can play an essential role in facilitating the query and cache management in context-aware mobile information systems (CAMIS). Two of the fundamen...
135
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CORR
2010
Springer
15 years 4 months ago
2010
Springer
In this paper we present a simple database definition language: that of categories and functors. A database schema is a category and a state is a set-valued functor. We show that m...
144
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CORR
2006
Springer
15 years 4 months ago
2006
Springer
We present a decomposition-based approach to managing probabilistic information. We introduce world-set decompositions (WSDs), a space-efficient and complete representation system ...
85
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CORR
2007
Springer
15 years 4 months ago
2007
Springer
Abstract: Non-linear state estimation and some related topics, like parametric estimation, fault diagnosis, and perturbation attenuation, are tackled here via a new methodology in ...