42 search results - page 4 / 9 » Local transformations and conjunctive-query equivalence |
SSIAI
2002
IEEE
13 years 11 months ago
2002
IEEE
We develop a novel measure of joint time-frequency localization applicable to equivalence classes of finite-length discrete signals, which are of increasing importance in modern ...
GG
2010
Springer
13 years 4 months ago
2010
Springer
Abstract. Triple Graph Grammars (TGGs) are a well-established concept for the specification of model transformations. In previous work we have formalized and analyzed already cruc...
DGCI
2008
Springer
13 years 8 months ago
2008
Springer
Abstract. We recently introduced the watershed cuts, a notion of watershed in edge-weighted graphs. In this paper, we propose a new thinning paradigm to compute them. More precisel...
CORR
2008
Springer
13 years 6 months ago
2008
Springer
We propose new robust classification algorithms for planar and spatial curves subjected to affine transformations. Our motivation comes from the problems in computer image recognit...
AAAI
2004
13 years 7 months ago
2004
We study local interchangeability of values in constraint networks based on a new approach where a single value in the domain of a variable can be treated as a combination of &quo...