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SEMWEB
2010
Springer
15 years 5 months ago
Using Reformulation Trees to Optimize Queries over Distributed Heterogeneous Sources
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
Yingjie Li, Jeff Heflin
WEBDB
2010
Springer
208views Database» more  WEBDB 2010»
15 years 5 months ago
XML-Based RDF Data Management for Efficient Query Processing
The Semantic Web, which represents a web of knowledge, offers new opportunities to search for knowledge and information. To harvest such search power requires robust and scalable ...
Mo Zhou, Yuqing Wu
ACL
2009
15 years 5 months ago
Quantitative modeling of the neural representation of adjective-noun phrases to account for fMRI activation
Recent advances in functional Magnetic Resonance Imaging (fMRI) offer a significant new approach to studying semantic representations in humans by making it possible to directly o...
Kai-min K. Chang, Vladimir Cherkassky, Tom M. Mitc...
ENASE
2009
179views Hardware» more  ENASE 2009»
15 years 5 months ago
Evolving System's Modeling and Simulation through Reflective Petri Nets
Abstract. The design of dynamic discrete-event systems calls for adequate modeling formalisms and tools to manage possible changes occurring during system's lifecycle. A commo...
Lorenzo Capra, Walter Cazzola
ICASSP
2009
IEEE
15 years 5 months ago
Probabilistic matrix tri-factorization
Nonnegative matrix tri-factorization (NMTF) is a 3-factor decomposition of a nonnegative data matrix, X USV , where factor matrices, U, S, and V , are restricted to be nonnegativ...
Jiho Yoo, Seungjin Choi