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TKDE
2010
251views more  TKDE 2010»
13 years 3 months ago
Exploring Correlated Subspaces for Efficient Query Processing in Sparse Databases
The sparse data is becoming increasingly common and available in many real-life applications. However, relative little attention has been paid to effectively model the sparse data ...
Bin Cui, Jiakui Zhao, Dongqing Yang
TOOLS
1999
IEEE
14 years 18 days ago
Class Algebra for Ontology Reasoning
Class algebra provides a natural framework for sharing of ISA hierarchies between users that may be unaware of each other's definitions. This permits data from relational dat...
Daniel J. Buehrer, Chee-Hwa Lee
VLDB
1992
ACM
151views Database» more  VLDB 1992»
14 years 11 days ago
A Uniform Approach to Processing Temporal Queries
Research in temporal databases has mainly focused on defining temporal data models by extending existing models, and developing access structures for temporal data. Little has bee...
Umeshwar Dayal, Gene T. J. Wuu
WWW
2005
ACM
14 years 9 months ago
Partitioning of Web graphs by community topology
We introduce a stricter Web community definition to overcome boundary ambiguity of a Web community defined by Flake, Lawrence and Giles [2], and consider the problem of finding co...
Hidehiko Ino, Mineichi Kudo, Atsuyoshi Nakamura
ACMICEC
2007
ACM
144views ECommerce» more  ACMICEC 2007»
14 years 10 days ago
Needs-based analysis of online customer reviews
Needs-based analysis lies at the intersection of product marketing and new product development. It is the study of why consumers purchase and what they do with those purchases. In...
Thomas Y. Lee