Sciweavers

234 search results - page 13 / 47
» Rough Set Approximations in Formal Concept Analysis
Sort
View
SAC
2008
ACM
13 years 7 months ago
Spatial vagueness and imprecision in databases
The impossibility of current spatial database systems and GIS to handle spatial vagueness and imprecision has been recognized as an important problem in the spatial database domai...
Alejandro Pauly, Markus Schneider
SOCO
1998
Springer
13 years 7 months ago
Approximate analysis of binary topological relations between geographic regions with indeterminate boundaries
The development of formal models of spatial relations is a topic of great importance in spatial reasoning, geographic information systems (GIS) and computer vision, and has gained ...
F. Benjamin Zhan
KDID
2004
140views Database» more  KDID 2004»
13 years 9 months ago
Mining Formal Concepts with a Bounded Number of Exceptions from Transactional Data
We are designing new data mining techniques on boolean contexts to identify a priori interesting bi-sets (i.e., sets of objects or transactions associated to sets of attributes or ...
Jérémy Besson, Céline Robarde...
ICFCA
2009
Springer
14 years 2 months ago
Exploring Finite Models in the Description Logic
Abstract. In a previous ICFCA paper we have shown that, in the Description Logics EL and ELgfp, the set of general concept inclusions holding in a finite model always has a finit...
Franz Baader, Felix Distel
STOC
2010
ACM
269views Algorithms» more  STOC 2010»
13 years 11 months ago
Approximations for the Isoperimetric and Spectral Profile of Graphs and Related Parameters
The spectral profile of a graph is a natural generalization of the classical notion of its Rayleigh quotient. Roughly speaking, given a graph G, for each 0 < < 1, the spect...
Prasad Raghavendra, David Steurer and Prasad Tetal...