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ICLP
2010
Springer
13 years 11 months ago
Tight Semantics for Logic Programs
We define the Tight Semantics (TS), a new semantics for all NLPs complying with the requirements of: 2-valued semantics; preserving the models of SM; guarantee of model existence...
Luís Moniz Pereira, Alexandre Miguel Pinto
PVLDB
2010
143views more  PVLDB 2010»
13 years 6 months ago
Embellishing Text Search Queries To Protect User Privacy
Users of text search engines are increasingly wary that their activities may disclose confidential information about their business or personal profiles. It would be desirable f...
HweeHwa Pang, Xuhua Ding, Xiaokui Xiao
ECIR
2009
Springer
14 years 4 months ago
Joint Ranking for Multilingual Web Search
Ranking for multilingual information retrieval (MLIR) is a task to rank documents of different languages solely based on their relevancy to the query regardless of query’s langu...
Wei Gao, Cheng Niu, Ming Zhou, Kam-Fai Wong
CSB
2005
IEEE
155views Bioinformatics» more  CSB 2005»
14 years 1 months ago
BioNavigation: Using Ontologies to Express Meaningful Navigational Queries Over Biological Resources
Exploiting the complex maze of publicly available Biological resources to implement scientific data collection pipelines poses a multitude of challenges to biologists in accurate...
Zoé Lacroix, Kaushal Parekh, Maria-Esther V...
EDBT
2012
ACM
247views Database» more  EDBT 2012»
11 years 10 months ago
Heuristics-based query optimisation for SPARQL
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
Petros Tsialiamanis, Lefteris Sidirourgos, Irini F...