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» On the Algebraic Structure of Convergence
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LICS
2007
IEEE
16 years 18 days ago
Local Action and Abstract Separation Logic
tion and Abstract Separation Logic Cristiano Calcagno Imperial College, London Peter W. O’Hearn Queen Mary, University of London Hongseok Yang Queen Mary, University of London S...
Cristiano Calcagno, Peter W. O'Hearn, Hongseok Yan...
CP
2007
Springer
16 years 15 days ago
Groupoids and Conditional Symmetry
We introduce groupoids – generalisations of groups in which not all pairs of elements may be multiplied, or, equivalently, categories in which all morphisms are invertible – as...
Ian P. Gent, Tom Kelsey, S. A. Linton, J. Pearson,...
ICRA
2005
IEEE
103views Robotics» more  ICRA 2005»
15 years 12 months ago
Dimensioning a Constrained Parallel Robot to Reach a Set of Task Positions
— The paper considers the problem of setting the dimensions of a system of constrained parallel robots to ensure that together they can position an end-effector in a specified s...
Hai-Jun Su, J. Michael McCarthy
APN
2005
Springer
15 years 12 months ago
High-Level Nets with Nets and Rules as Tokens
Abstract. High-Level net models following the paradigm “nets as tokens” have been studied already in the literature with several interesting applications. In this paper we prop...
Kathrin Hoffmann, Hartmut Ehrig, Till Mossakowski
CIKM
2005
Springer
15 years 12 months ago
Access control for XML: a dynamic query rewriting approach
We introduce the notion of views as a mechanism for securing and providing access control in the context of XML. Research in XML has explored several efficient querying mechanism...
Sriram Mohan, Arijit Sengupta, Yuqing Wu