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FernUniversitat
(8 results)-
White Papers
Partition and Conquer
January 1, 2011, 12:00am PST
Although maps and partitions are ubiquitous in geographical information systems and spatial databases, there is only little work investigating their foundations. The authors give a rigorous...
Provided by FernUniversitat
-
White Papers
Vague Regions
January 1, 2011, 12:00am PST
In many geographical applications there is a need to model spatial phenomena not simply by sharp objects but rather through indeterminate or vague concepts. To support such applications the...
Provided by FernUniversitat
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White Papers
Developments in Spatio-Temporal Query Languages
January 1, 2011, 12:00am PST
Integrating spatio-temporal data as abstract data types into already existing data models is a promising approach to creating spatio-temporal query languages. In this paper, an important new class...
Provided by FernUniversitat
-
White Papers
Temporal Objects for Spatio-Temporal Data Models and a Comparison of Their Representations
January 1, 2011, 12:00am PST
The authors have presented a new model for temporal objects and temporal databases that, in particular, offers quite different modeling options for spatio-temporal databases. The investigation of...
Provided by FernUniversitat
-
White Papers
Realms: A Foundation for Spatial Data Types in Database Systems
January 1, 2011, 12:00am PST
In this paper the authors have offered geometric realms as a concept to solve several problems related to spatial data types for database systems. In particular, realms solve the geometric...
Provided by FernUniversitat
-
White Papers
Metric Operations on Fuzzy Spatial Objects in Databases
January 1, 2011, 12:00am PST
Uncertainty management for geometric data is currently an important problem for (extensible) databases in general and for spatial databases, image databases, and GIS in particular. In these...
Provided by FernUniversitat
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White Papers
Finite Resolution Crisp and Fuzzy Spatial Objects
January 1, 2011, 12:00am PST
Uncertainty management for geometric data is currently an important problem in spatial databases, image databases, and GIS. Spatial objects do not always have homogeneous interiors and sharply...
Provided by FernUniversitat
-
White Papers
Abstract and Discrete Modeling of Spatio-Temporal Data Types
January 1, 2011, 12:00am PST
Spatio-temporal databases deal with geometries changing over time. In general, geometries cannot only change in discrete steps, but continuously, and the authors are talking about moving objects....
Provided by FernUniversitat
-
White Papers
Abstract and Discrete Modeling of Spatio-Temporal Data Types
January 1, 2011, 12:00am PST
Spatio-temporal databases deal with geometries changing over time. In general, geometries cannot only change in discrete steps, but continuously, and the authors are talking about moving objects....
Provided by FernUniversitat
-
White Papers
Finite Resolution Crisp and Fuzzy Spatial Objects
January 1, 2011, 12:00am PST
Uncertainty management for geometric data is currently an important problem in spatial databases, image databases, and GIS. Spatial objects do not always have homogeneous interiors and sharply...
Provided by FernUniversitat
-
White Papers
Metric Operations on Fuzzy Spatial Objects in Databases
January 1, 2011, 12:00am PST
Uncertainty management for geometric data is currently an important problem for (extensible) databases in general and for spatial databases, image databases, and GIS in particular. In these...
Provided by FernUniversitat
-
White Papers
Realms: A Foundation for Spatial Data Types in Database Systems
January 1, 2011, 12:00am PST
In this paper the authors have offered geometric realms as a concept to solve several problems related to spatial data types for database systems. In particular, realms solve the geometric...
Provided by FernUniversitat
-
White Papers
Temporal Objects for Spatio-Temporal Data Models and a Comparison of Their Representations
January 1, 2011, 12:00am PST
The authors have presented a new model for temporal objects and temporal databases that, in particular, offers quite different modeling options for spatio-temporal databases. The investigation of...
Provided by FernUniversitat
-
White Papers
Developments in Spatio-Temporal Query Languages
January 1, 2011, 12:00am PST
Integrating spatio-temporal data as abstract data types into already existing data models is a promising approach to creating spatio-temporal query languages. In this paper, an important new class...
Provided by FernUniversitat
-
White Papers
Vague Regions
January 1, 2011, 12:00am PST
In many geographical applications there is a need to model spatial phenomena not simply by sharp objects but rather through indeterminate or vague concepts. To support such applications the...
Provided by FernUniversitat
-
White Papers
Partition and Conquer
January 1, 2011, 12:00am PST
Although maps and partitions are ubiquitous in geographical information systems and spatial databases, there is only little work investigating their foundations. The authors give a rigorous...
Provided by FernUniversitat
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