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ESWA
2008
152views more  ESWA 2008»
14 years 10 months ago
Collaborative recommender systems: Combining effectiveness and efficiency
Recommender systems base their operation on past user ratings over a collection of items, for instance, books, CDs, etc. Collaborative filtering (CF) is a successful recommendatio...
Panagiotis Symeonidis, Alexandros Nanopoulos, Apos...
80
Voted
JAL
2008
97views more  JAL 2008»
14 years 10 months ago
Experimental studies of variable selection strategies based on constraint weights
An important class of heuristics for constraint satisfaction problems works by sampling information during search in order to inform subsequent decisions. One of these strategies, ...
Richard J. Wallace, Diarmuid Grimes
PVLDB
2010
103views more  PVLDB 2010»
14 years 8 months ago
Fast Optimal Twig Joins
In XML search systems twig queries specify predicates on node values and on the structural relationships between nodes, and a key operation is to join individual query node matche...
Nils Grimsmo, Truls Amundsen Bjørklund, Mag...
ICASSP
2011
IEEE
14 years 1 months ago
Phase-sensitive speech enhancement for cochlear implant processing
In this paper, we present a new approach to enhance noisy speech based on an environmental model incorporating the phase between noise and clean speech (often called phasesensitiv...
Pourya S. Jafari, Hou-Yong Kang, Xiaosong Wang, Qi...
108
Voted
CCS
2005
ACM
15 years 3 months ago
Fast and automated generation of attack signatures: a basis for building self-protecting servers
Large-scale attacks, such as those launched by worms and zombie farms, pose a serious threat to our network-centric society. Existing approaches such as software patches are simpl...
Zhenkai Liang, R. Sekar