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» Optimizing Query Processing for the Hidden Web
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DEBU
2000
147views more  DEBU 2000»
14 years 9 months ago
XJoin: A Reactively-Scheduled Pipelined Join Operator
Wide-area distribution raises significant performance problems for traditional query processing techniques as data access becomes less predictable due to link congestion, load imb...
Tolga Urhan, Michael J. Franklin
EDBT
2010
ACM
185views Database» more  EDBT 2010»
15 years 4 months ago
Optimizing joins in a map-reduce environment
Implementations of map-reduce are being used to perform many operations on very large data. We examine strategies for joining several relations in the map-reduce environment. Our ...
Foto N. Afrati, Jeffrey D. Ullman
NAR
2008
175views more  NAR 2008»
14 years 9 months ago
Onto-CC: a web server for identifying Gene Ontology conceptual clusters
The Gene Ontology (GO) vocabulary has been extensively explored to analyze the functions of coexpressed genes. However, despite its extended use in Biology and Medical Sciences, t...
Rocío Romero-Záliz, Coral del Val, J...
WEBI
2005
Springer
15 years 2 months ago
A Semi-Supervised Document Clustering Algorithm Based on EM
Document clustering is a very hard task in Automatic Text Processing since it requires to extract regular patterns from a document collection without a priori knowledge on the cat...
Leonardo Rigutini, Marco Maggini
CORR
2007
Springer
162views Education» more  CORR 2007»
14 years 9 months ago
Exploiting Social Annotation for Automatic Resource Discovery
Information integration applications, such as mediators or mashups, that require access to information resources currently rely on users manually discovering and integrating them ...
Anon Plangprasopchok, Kristina Lerman