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ICDT
1997
ACM
138views Database» more  ICDT 1997»
15 years 8 months ago
Tractable Iteration Mechanisms for Bag Languages
Abstract. The goal of this paper is to study tractable iteration mechanisms for bags. The presence of duplicates in bags prevents iteration mechanisms developed in the context of s...
Latha S. Colby, Leonid Libkin
SIGGRAPH
1987
ACM
15 years 8 months ago
Direct least-squares fitting of algebraic surfaces
In the course of developing a system for fitting smooth curves to camera input we have developed several direct (i.e. noniterative) methods for fitting a shape (line, circle, conic...
Vaughan R. Pratt
WSC
2000
15 years 5 months ago
Input modeling using a computer algebra system
Input modeling that involves fitting standard univariate parametric probability distributions is typically performed using an input modeling package. These packages typically fit ...
Diane L. Evans, Lawrence Leemis
LICS
2008
IEEE
15 years 11 months ago
Caterpillar Duality for Constraint Satisfaction Problems
The study of constraint satisfaction problems definable in various fragments of Datalog has recently gained considerable importance. We consider constraint satisfaction problems ...
Catarina Carvalho, Víctor Dalmau, Andrei A....
SACRYPT
2004
Springer
122views Cryptology» more  SACRYPT 2004»
15 years 9 months ago
Extending the Resynchronization Attack
Abstract. Synchronous stream ciphers need perfect synchronization between sender and receiver. In practice, this is ensured by a resync mechanism. Daemen et al. [10] first describ...
Frederik Armknecht, Joseph Lano, Bart Preneel