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» On Coherence in Computer Algebra
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SAC
2004
ACM
15 years 10 months ago
Integrating similarity-based queries in image DBMSs
Until recently, issues in image retrieval have been handled in DBMSs and in computer vision as separate research works. Nowadays, the trend is towards integrating the two approach...
Solomon Atnafu, Richard Chbeir, David Coquil, Lion...
SC
2000
ACM
15 years 8 months ago
Parallel Smoothed Aggregation Multigrid: Aggregation Strategies on Massively Parallel Machines
Algebraic multigrid methods offer the hope that multigrid convergence can be achieved (for at least some important applications) without a great deal of effort from engineers an...
Ray S. Tuminaro, Charles Tong
MFCS
1991
Springer
15 years 8 months ago
CCS Dynamic Bisimulation is Progressing
Weak Observational Congruence (woc) defined on CCS agents is not a bisimulation since it does not require two states reached by bisimilar computations of woc agents to be still w...
Ugo Montanari, Vladimiro Sassone
DCG
1998
59views more  DCG 1998»
15 years 4 months ago
A Probabilistic Analysis of the Power of Arithmetic Filters
The assumption of real-number arithmetic, which is at the basis of conventional geometric algorithms, has been seriously challenged in recent years, since digital computers do not...
Olivier Devillers, Franco P. Preparata
LATINCRYPT
2010
15 years 2 months ago
Cryptanalysis of the Hidden Matrix Cryptosystem
Abstract. In this paper, we present an efficient cryptanalysis of the socalled HM cryptosystem which was published at Asiacrypt’1999, and one perturbed version of HM. Until now, ...
Jean-Charles Faugère, Antoine Joux, Ludovic...