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» A data abstraction approach for query relaxation
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ASWC
2008
Springer
13 years 9 months ago
Scalable Distributed Ontology Reasoning Using DHT-Based Partitioning
Abstract. Ontology reasoning is an indispensable step to fully exploit the implicit semantics of Semantic Web data. The inherent distribution characteristic of the Semantic Web and...
Qiming Fang, Ying Zhao, Guangwen Yang, Weimin Zhen...
VLDB
2008
ACM
148views Database» more  VLDB 2008»
14 years 8 months ago
Purpose based access control for privacy protection in relational database systems
Abstract In this article, we present a comprehensive approach for privacy preserving access control based on the notion of purpose. In our model, purpose information associated wit...
Ji-Won Byun, Ninghui Li
GEOS
2007
Springer
14 years 1 months ago
Spatio-temporal Conceptual Schema Development for Wide-Area Sensor Networks
Abstract. A Wide-Area Sensor Network (WASN) is a collection of heterogeneous sensor networks and data repositories spread over a wide geographic area. The diversity of sensor types...
Mallikarjun Shankar, Alexandre Sorokine, Budhendra...
KAIS
2006
110views more  KAIS 2006»
13 years 7 months ago
Multi-step density-based clustering
Abstract. Data mining in large databases of complex objects from scientific, engineering or multimedia applications is getting more and more important. In many areas, complex dista...
Stefan Brecheisen, Hans-Peter Kriegel, Martin Pfei...
ICDE
2009
IEEE
194views Database» more  ICDE 2009»
14 years 9 months ago
Effective XML Keyword Search with Relevance Oriented Ranking
Abstract-- Inspired by the great success of information retrieval (IR) style keyword search on the web, keyword search on XML has emerged recently. The difference between text data...
Zhifeng Bao, Tok Wang Ling, Bo Chen, Jiaheng Lu