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IMA
2009
Springer
111views Cryptology» more  IMA 2009»
15 years 11 months ago
Geometric Ideas for Cryptographic Equation Solving in Even Characteristic
Abstract. The GeometricXL algorithm is a geometrically invariant version of the XL algorithm that uses polynomials of a much smaller degree than either a standard Groebner basis al...
Sean Murphy, Maura B. Paterson
106
Voted
ECCV
2006
Springer
16 years 6 months ago
A Simple Solution to the Six-Point Two-View Focal-Length Problem
Abstract. This paper presents a simple and practical solution to the 6-point 2view focal-length estimation problem. Based on the hidden-variable technique we have derived a 15th de...
Hongdong Li
WWW
2005
ACM
16 years 5 months ago
Automated semantic web services orchestration via concept covering
We exploit the recently proposed Concept Abduction inference service in Description Logics to solve Concept Covering problems. We propose a framework and polynomial greedy algorit...
Tommaso Di Noia, Eugenio Di Sciascio, Francesco M....
PODS
2003
ACM
104views Database» more  PODS 2003»
16 years 4 months ago
Maintaining time-decaying stream aggregates
We formalize the problem of maintaining time-decaying aggregates and statistics of a data stream: the relative contribution of each data item to the aggregate is scaled down by a ...
Edith Cohen, Martin Strauss
CANS
2009
Springer
194views Cryptology» more  CANS 2009»
15 years 11 months ago
Algebraic Attack on the MQQ Public Key Cryptosystem
Abstract. In this paper, we present an efficient attack on the multivariate Quadratic Quasigroups (MQQ) public key cryptosystem. Our cryptanalysis breaks the MQQ cryptosystem by so...
Mohamed Saied Emam Mohamed, Jintai Ding, Johannes ...