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» Tradeoffs in XML Database Compression
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CORR
2010
Springer
184views Education» more  CORR 2010»
13 years 6 months ago
Extended Two-Dimensional PCA for Efficient Face Representation and Recognition
In this paper a novel method called Extended TwoDimensional PCA (E2DPCA) is proposed which is an extension to the original 2DPCA. We state that the covariance matrix of 2DPCA is e...
Mehran Safayani, Mohammad Taghi Manzuri Shalmani, ...
ICDE
2006
IEEE
232views Database» more  ICDE 2006»
14 years 8 months ago
Dual Labeling: Answering Graph Reachability Queries in Constant Time
Graph reachability is fundamental to a wide range of applications, including XML indexing, geographic navigation, Internet routing, ontology queries based on RDF/OWL, etc. Many ap...
Haixun Wang, Hao He, Jeffrey Xu Yu, Jun Yang 0001,...
CIKM
2005
Springer
14 years 7 days ago
Compact reachability labeling for graph-structured data
Testing reachability between nodes in a graph is a well-known problem with many important applications, including knowledge representation, program analysis, and more recently, bi...
Hao He, Haixun Wang, Jun Yang 0001, Philip S. Yu