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ISSAC
2009
Springer
171views Mathematics» more  ISSAC 2009»
16 years 2 months ago
Computing cylindrical algebraic decomposition via triangular decomposition
Cylindrical algebraic decomposition is one of the most important tools for computing with semi-algebraic sets, while triangular decomposition is among the most important approache...
Changbo Chen, Marc Moreno Maza, Bican Xia, Lu Yang
CISIS
2008
IEEE
16 years 2 months ago
Processing Ontology Alignments with SPARQL
Solving problems raised by heterogeneous ontologies can be achieved by matching the ontologies and processing the resulting alignments. This is typical of data mediation in which ...
Jérôme Euzenat, Axel Polleres, Fran&c...
ICIP
2008
IEEE
16 years 2 months ago
Video denoising using 3-D Hybrid Wavelets and Directional filter banks
We propose a new family of nonredundant 3-D directional transforms that are useful for video signals. In our construction, taking into account the correlation amongst frames of vi...
Ramin Eslami, Xiaolin Wu
ICC
2007
IEEE
16 years 1 months ago
Noncoherent Block-Coded QAM
— In this paper, we investigate block-coded QAM constructed by multilevel coding for the noncoherent generalized likelihood ratio test (GLRT) detector. For the AWGN channel, we d...
Ruey-Yi Wei, Tzu-Ching Sue, Hsi-Hua Wang, Chin-Sun...
AIED
2007
Springer
16 years 1 months ago
Helping Courseware Authors to Build Ontologies: The Case of TM4L
The authors of topic map-based learning resources face major difficulties in constructing the underlying ontologies. In this paper we propose two approaches to address this problem...
Darina Dicheva, Christo Dichev