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» A Query System in a Biological Database
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GIS
2010
ACM
15 years 5 months ago
Decentralized querying of topological relations between regions without using localization
This paper proposes an efficient, decentralized algorithm for determining the topological relationship between two regions monitored by a geosensor network. Many centralized algo...
Matt Duckham, Myeong Hun Jeong, Sanjiang Li, Joche...
SIGMOD
1998
ACM
96views Database» more  SIGMOD 1998»
15 years 10 months ago
Wavelet-Based Histograms for Selectivity Estimation
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
Yossi Matias, Jeffrey Scott Vitter, Min Wang
DASFAA
2007
IEEE
156views Database» more  DASFAA 2007»
15 years 10 months ago
An Efficient and Scalable Management of Ontology
Abstract. OWL is a recommended language for publishing and sharing ontologies on the Semantic Web. To manage the ontologies, several OWL data management systems have been proposed....
Myung-Jae Park, Jihyun Lee, Chun-Hee Lee, Jiexi Li...
WEBI
2009
Springer
16 years 1 months ago
Reasoning in Pervasive Environments: An Implementation of Concept Abduction with Mobile OODBMS
The paper focuses on an implementation of concept abduction with an Object-oriented Database Management System (OODBMS). OWL-DL Knowledge Bases have been translated to an OO versi...
Michele Ruta, Floriano Scioscia, Tommaso Di Noia, ...
CORR
2010
Springer
104views Education» more  CORR 2010»
15 years 6 months ago
Offline Signature Identification by Fusion of Multiple Classifiers using Statistical Learning Theory
This paper uses Support Vector Machines (SVM) to fuse multiple classifiers for an offline signature system. From the signature images, global and local features are extracted and ...
Dakshina Ranjan Kisku, Phalguni Gupta, Jamuna Kant...