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SIAMIS
2011
13 years 5 months ago
Gradient-Based Methods for Sparse Recovery
The convergence rate is analyzed for the sparse reconstruction by separable approximation (SpaRSA) algorithm for minimizing a sum f(x) + ψ(x), where f is smooth and ψ is convex, ...
William W. Hager, Dzung T. Phan, Hongchao Zhang
KDD
2010
ACM
244views Data Mining» more  KDD 2010»
13 years 8 months ago
Finding effectors in social networks
Assume a network (V, E) where a subset of the nodes in V are active. We consider the problem of selecting a set of k active nodes that best explain the observed activation state, ...
Theodoros Lappas, Evimaria Terzi, Dimitrios Gunopu...
JMLR
2010
116views more  JMLR 2010»
13 years 5 months ago
Feature Selection, Association Rules Network and Theory Building
As the size and dimensionality of data sets increase, the task of feature selection has become increasingly important. In this paper we demonstrate how association rules can be us...
Sanjay Chawla
INFOCOM
2007
IEEE
14 years 4 months ago
On the Stability-Scalability Tradeoff of DHT Deployment
— Distributed hash tables (DHTs) provide efficient data naming and location with simple hash-table-like primitives, upon which sophisticated distributed applications can be buil...
Chih-Chiang Wang, Khaled Harfoush
SIGMOD
2011
ACM
204views Database» more  SIGMOD 2011»
13 years 29 days ago
Datalog and emerging applications: an interactive tutorial
We are witnessing an exciting revival of interest in recursive Datalog queries in a variety of emerging application domains such as data integration, information extraction, netwo...
Shan Shan Huang, Todd Jeffrey Green, Boon Thau Loo