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» A Type System for the Relational Calculus of Object Systems
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UTP
2010
13 years 7 months ago
On Modelling User Observations in the UTP
This paper presents an approach for modelling interactions between users and systems in the Unifying Theories of Programming. Working in the predicate calculus, we outline generic ...
Michael J. Banks, Jeremy L. Jacob
ERCIMDL
2006
Springer
115views Education» more  ERCIMDL 2006»
14 years 21 days ago
Introducing Pergamos: A Fedora-Based DL System Utilizing Digital Object Prototypes
This demonstration provides a "hands on" experience to the "internals" of Pergamos, the University of Athens DL System. Pergamos provides uniform high level DL ...
George Pyrounakis, Kostas Saidis, Mara Nikolaidou,...
JFP
2006
119views more  JFP 2006»
13 years 9 months ago
Gencel: a program generator for correct spreadsheets
A huge discrepancy between theory and practice exists in one popular application area of functional programming--spreadsheets. Although spreadsheets are the most frequently used (...
Martin Erwig, Robin Abraham, Steve Kollmansberger,...
CSMR
2008
IEEE
13 years 10 months ago
Understanding the Impact of Distribution in Object-Oriented Distributed Systems Using Structural Program Dependencies
The software industry is increasingly facing the issues of understanding and maintaining a particular type of software systems, namely distributed systems. While these systems are...
Dan C. Cosma, Radu Marinescu
GIS
2009
ACM
14 years 1 months ago
Data structures and intersection algorithms for 3D spatial data types
Apart from visualization tasks, three-dimensional (3D) data management features are not or only hardly available in current spatial database systems and Geographic Information Sys...
Tao Chen, Markus Schneider