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» A Theory of Closure Operators
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116
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RELMICS
2009
Springer
15 years 10 months ago
Contact Relations with Applications
Using relation algebra, we generalize Aumann’s notion of a contact relation and that of a closure operation from powersets to general membership relations and their induced parti...
Gunther Schmidt, Rudolf Berghammer
120
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JOLLI
2002
109views more  JOLLI 2002»
15 years 3 months ago
Linear, Branching Time and Joint Closure Semantics for Temporal Logic
Temporal logic can be used to describe processes: their behaviour is characterized by a set of temporal models axiomatized by a temporal theory. Two types of models are most often ...
Joeri Engelfriet, Jan Treur
IJRR
2010
112views more  IJRR 2010»
15 years 1 months ago
On the Passive Force Closure Set of Planar Grasps and Fixtures
This paper considers grasps and fixtures whose contacts react according to force-displacement laws consistent with friction constrains at the contacts. The passive force closure s...
Amir Shapiro, Elon Rimon, Shraga Shoval
PODS
2008
ACM
143views Database» more  PODS 2008»
16 years 3 months ago
XPath, transitive closure logic, and nested tree walking automata
We consider the navigational core of XPath, extended with two operators: the Kleene star for taking the transitive closure of path expressions, and a subtree relativisation operat...
Balder ten Cate, Luc Segoufin
CC
2006
Springer
118views System Software» more  CC 2006»
15 years 7 months ago
Lightweight Lexical Closures for Legitimate Execution Stack Access
We propose a new language concept called "L-closures" for a running program to legitimately inspect/modify the contents of its execution stack. L-closures are lightweight...
Masahiro Yasugi, Tasuku Hiraishi, Taiichi Yuasa