Sciweavers

3379 search results - page 414 / 676
» Powers of Two
Sort
View
ICDT
2010
ACM
161views Database» more  ICDT 2010»
16 years 1 months ago
Composition with Target Constraints
It is known that the composition of schema mappings, each specified by source-to-target tgds (st-tgds), can be specified by a secondorder tgd (SO tgd). We consider the question of...
Marcelo Arenas, Ronald Fagin, Alan Nash
DILS
2007
Springer
15 years 10 months ago
Fast Approximate Duplicate Detection for 2D-NMR Spectra
2D-Nuclear magnetic resonance (NMR) spectroscopy is a powerful analytical method to elucidate the chemical structure of molecules. In contrast to 1D-NMR spectra, 2D-NMR spectra cor...
Björn Egert, Steffen Neumann, Alexander Hinne...
AUIC
2006
IEEE
15 years 10 months ago
Patternprogrammer: yet another rule-based programming environment for children
Graphical rewrite rules are often used in programming environments for children. These rules consist of two parts: a left-hand side, which is visually matched in the environment, ...
Tim Wright
CSB
2005
IEEE
137views Bioinformatics» more  CSB 2005»
15 years 9 months ago
A Learned Comparative Expression Measure for Affymetrix GeneChip DNA Microarrays
Perhaps the most common question that a microarray study can ask is, “Between two given biological conditions, which genes exhibit changed expression levels?” Existing methods...
Will Sheffler, Eli Upfal, John Sedivy, William Sta...
ICRA
2003
IEEE
144views Robotics» more  ICRA 2003»
15 years 9 months ago
Error-tolerant execution of complex robot tasks based on skill primitives
— This paper presents a general approach to specify and execute complex robot tasks considering uncertain environments. Robot tasks are defined by a precise definition of socal...
Ulrike Thomas, Bernd Finkemeyer, Torsten Krög...