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SDM
2003
SIAM
123views Data Mining» more  SDM 2003»
13 years 10 months ago
Fast Online SVD Revisions for Lightweight Recommender Systems
The singular value decomposition (SVD) is fundamental to many data modeling/mining algorithms, but SVD algorithms typically have quadratic complexity and require random access to ...
Matthew Brand
TCSV
2008
102views more  TCSV 2008»
13 years 8 months ago
The Technique of Prescaled Integer Transform: Concept, Design and Applications
Integer cosine transform (ICT) is adopted by H.264/AVC for its bit-exact implementation and significant complexity reduction compared to the discrete cosine transform (DCT) with an...
Cixun Zhang, Lu Yu, Jian Lou, Wai-kuen Cham, Jie D...
PVLDB
2010
151views more  PVLDB 2010»
13 years 7 months ago
Advanced Processing for Ontological Queries
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...
Andrea Calì, Georg Gottlob, Andreas Pieris
SIGECOM
2011
ACM
216views ECommerce» more  SIGECOM 2011»
12 years 11 months ago
Strategic sequential voting in multi-issue domains and multiple-election paradoxes
In many settings, a group of agents must come to a joint decision on multiple issues. In practice, this is often done by voting on the issues in sequence. In this paper, we model ...
Lirong Xia, Vincent Conitzer, Jérôme ...
COMPLEX
2009
Springer
14 years 3 months ago
Designing Capital-Intensive Systems with Architectural and Operational Flexibility Using a Screening Model
: Development of capital intensive systems, such as offshore oil platforms or other industrial infrastructure, generally requires a significant amount of capital investment under v...
Jijun Lin, Olivier de Weck, Richard de Neufville, ...