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» A Semantics for Abstraction
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ECIR
2010
Springer
15 years 4 months ago
Query Aspect Based Term Weighting Regularization in Information Retrieval
Abstract. Traditional retrieval models assume that query terms are independent and rank documents primarily based on various term weighting strategies including TF-IDF and document...
Wei Zheng, Hui Fang
SEMWEB
2010
Springer
15 years 4 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
ENASE
2009
179views Hardware» more  ENASE 2009»
15 years 4 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
ICIAP
2009
ACM
15 years 4 months ago
Video Event Classification Using Bag of Words and String Kernels
Abstract. The recognition of events in videos is a relevant and challenging task of automatic semantic video analysis. At present one of the most successful frameworks, used for ob...
Lamberto Ballan, Marco Bertini, Alberto Del Bimbo,...
CSMR
2010
IEEE
15 years 1 months ago
A Heuristic-Based Approach to Identify Concepts in Execution Traces
Abstract--Concept or feature identification, i.e., the identification of the source code fragments implementing a particular feature, is a crucial task during software understandin...
Fatemeh Asadi, Massimiliano Di Penta, Giuliano Ant...