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102
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FOIS
2006
15 years 3 months ago
2006
We present a theory of granular parthood based on qualitative cardinality and size measures. Using standard mereological relations and qualitative, contextdependent relations such ...
102
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GIS
1995
ACM
15 years 5 months ago
1995
ACM
We stress the importance of requirements engineering (RE) for the development of large scale software in general and for GIS-applications in particular. RE analyses the problem do...
146
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EFDBS
2003
15 years 3 months ago
2003
A definition of types in an information system is given from ld abstractions through data constructs, schema and definitions to physical data values. Category theory suggests tha...
121
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MFDBS
1991
15 years 5 months ago
1991
We study an approach to relational databases which treats relations not as subsets of a Cartesian product but as subsets of some domain { a partially ordered space of descriptions...
124
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ISCOPE
1997
Springer
15 years 6 months ago
1997
Springer
This paper describes issues encountered in the design and implementation of a parallel object-oriented database system. In particular, we find that the design of a client/server ...