Sciweavers

2093 search results - page 164 / 419
» Developing Federation Object Models Using Ontologies
Sort
View
FOIS
2006
13 years 11 months ago
A theory of granular parthood based on qualitative cardinality and size measures
We present a theory of granular parthood based on qualitative cardinality and size measures. Using standard mereological relations and qualitative, contextdependent relations such ...
Thomas Bittner, Maureen Donnelly
GIS
1995
ACM
14 years 1 months ago
Object-Oriented Requirements Engineering for GIS Applications
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...
Georg Kösters, Bernd-Uwe Pagel, Hans-Werner S...
EFDBS
2003
13 years 11 months ago
Four-Level-Architecture for Closure in Interoperability
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...
B. Nick Rossiter, Michael A. Heather
MFDBS
1991
125views Database» more  MFDBS 1991»
14 years 1 months ago
A Relational Algebra for Complex Objects Based on Partial Information
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...
Leonid Libkin
ISCOPE
1997
Springer
14 years 1 months ago
Client/Server Architecture in the ADAMS Parallel Object-Oriented Database System
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 ...
Russell F. Haddleton, John L. Pfaltz