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IJCAI
2007
15 years 7 months ago
On Mining Closed Sets in Multi-Relational Data
We investigate the problem of mining closed sets in multi-relational databases. Previous work introduced different semantics and associated algorithms for mining closed sets in mu...
Gemma C. Garriga, Roni Khardon, Luc De Raedt
DATE
2002
IEEE
119views Hardware» more  DATE 2002»
15 years 11 months ago
UML for Embedded Systems Specification and Design: Motivation and Overview
The specification, design and implementation of embedded systems demands new approaches which go beyond traditional hardware-based notations such as HDLs. The growing dominance of...
Grant Martin
WSPI
2008
15 years 7 months ago
Practices, Systems, and Context Working as Core Concepts in Modeling Socio-Technical Systems
This work draws on the cultural historical activity-theory and the theory of social systems to model socio-technical systems. The concepts of practice, system, and context work as ...
Heidrun Allert, Christoph Richter
JCDL
2004
ACM
125views Education» more  JCDL 2004»
15 years 11 months ago
Generating fuzzy semantic metadata describing spatial relations from images using the R-histogram
Automatic generation of semantic metadata describing spatial relations is highly desirable for image digital libraries. Relative spatial relations between objects in an image conv...
Yuhang Wang, Fillia Makedon, James Ford, Li Shen, ...
DBPL
1995
Springer
106views Database» more  DBPL 1995»
15 years 9 months ago
On Impossibility of Decremental Recomputation of Recursive Queries in Relational Calculus and SQL
We study the problem of maintaining recursively-de ned views, such as the transitive closure of a relation, in traditional relational languages that do not have recursion mechanis...
Guozhu Dong, Leonid Libkin, Limsoon Wong