Sciweavers

1791 search results - page 53 / 359
» Semantics and Complexity of SPARQL
Sort
View
ICIP
2002
IEEE
16 years 6 months ago
Unsupervised image segmentation via Markov trees and complex wavelets
The goal in image segmentation is to label pixels in an image based on the properties of each pixel and its surrounding region. Recently Content-Based Image Retrieval (CBIR) has e...
Cián W. Shaffrey, Ian Jermyn, Nick G. Kings...
ICDE
2008
IEEE
153views Database» more  ICDE 2008»
16 years 5 months ago
Increasing the Expressivity of Conditional Functional Dependencies without Extra Complexity
The paper proposes an extension of CFDs [1], referred to as extended Conditional Functional Dependencies (eCFDs). In contrast to CFDs, eCFDs specify patterns of semantically relate...
Loreto Bravo, Wenfei Fan, Floris Geerts, Shuai Ma
LPNMR
2007
Springer
15 years 10 months ago
Complexity of Rule Redundancy in Non-ground Answer-Set Programming over Finite Domains
Recent research in answer-set programming (ASP) is concerned with the problem of finding faithful transformations of logic programs under the stable semantics. This is in particul...
Michael Fink, Reinhard Pichler, Hans Tompits, Stef...
EMNLP
2008
15 years 5 months ago
Selecting Sentences for Answering Complex Questions
Complex questions that require inferencing and synthesizing information from multiple documents can be seen as a kind of topicoriented, informative multi-document summarization. I...
Yllias Chali, Shafiq R. Joty
CORR
2010
Springer
110views Education» more  CORR 2010»
15 years 4 months ago
Detecting communities of triangles in complex networks using spectral optimization
The study of the sub-structure of complex networks is of major importance to relate topology and functionality. Many efforts have been devoted to the analysis of the modular struc...
Belkacem Serrour, Alex Arenas, Sergio Gómez