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IJCAI
1997
13 years 12 months ago
Tractable Cover Compilations
Tractable covers are introduced as a new ap­ proach to equivalence-preserving compilation of propositional knowledge bases. First, a gen­ eral framework is presented. Then, two ...
Yacine Boufkhad, Éric Grégoire, Pier...
LOGCOM
2008
81views more  LOGCOM 2008»
13 years 10 months ago
The Semantic Processing of Continuous Quantities for Discrete Terms in Ontologies
We consider continuous quantities that are used to describe the physical world, such as colour, shape, sound, texture, and spatial and temporal arrangements. Natural languages are...
Shenghui Wang, David E. Rydeheard, Jeff Z. Pan
ICIP
2010
IEEE
13 years 8 months ago
Gradient field descriptor for sketch based retrieval and localization
We present an image retrieval system driven by free-hand sketched queries depicting shape. We introduce Gradient Field HoG (GF-HOG) as a depiction invariant image descriptor, enca...
Rui Hu, Mark Barnard, John P. Collomosse
ICCV
2009
IEEE
13 years 8 months ago
Storyboard sketches for Content Based Video Retrieval
We present a novel Content Based Video Retrieval (CBVR) system, driven by free-hand sketch queries depicting both objects and their movement (via dynamic cues; streak-lines and ar...
John P. Collomosse, Graham McNeill, Yu Qian
ICDAR
2009
IEEE
13 years 8 months ago
A Symbol Spotting Approach Based on the Vector Model and a Visual Vocabulary
This paper addresses the difficult problem of symbol spotting for graphic documents. We propose an approach where each graphic document is indexed as a text document by using the ...
Thi-Oanh Nguyen, Salvatore Tabbone, Alain Boucher