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» Semantic queries in databases: problems and challenges
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SIGMOD
2007
ACM
136views Database» more  SIGMOD 2007»
14 years 9 months ago
Progressive optimization in a shared-nothing parallel database
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...
Wook-Shin Han, Jack Ng, Volker Markl, Holger Kache...
ICDE
2010
IEEE
254views Database» more  ICDE 2010»
14 years 8 months ago
Efficient Rank Based KNN Query Processing Over Uncertain Data
Uncertain data are inherent in many applications such as environmental surveillance and quantitative economics research. As an important problem in many applications, KNN query has...
Ying Zhang, Xuemin Lin, Gaoping ZHU, Wenjie Zhang,...
ICDT
2010
ACM
147views Database» more  ICDT 2010»
14 years 7 days ago
Querying Parse Trees of Stochastic Context-Free Grammars
Stochastic context-free grammars (SCFGs) have long been recognized as useful for a large variety of tasks including natural language processing, morphological parsing, speech reco...
Sara Cohen, Benny Kimelfeld
SIGMOD
2006
ACM
89views Database» more  SIGMOD 2006»
14 years 9 months ago
Testing database applications
Testing of database applications is crucial for ensuring high software quality as undetected faults can result in unrecoverable data corruption. The problem of database applicatio...
Carsten Binnig, Donald Kossmann, Eric Lo
VLDB
2004
ACM
119views Database» more  VLDB 2004»
14 years 2 months ago
Supporting Ontology-Based Semantic matching in RDBMS
Ontologies are increasingly being used to build applications that utilize domain-specific knowledge. This paper addresses the problem of supporting ontology-based semantic matchin...
Souripriya Das, Eugene Inseok Chong, George Eadon,...