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ICANN
2005
Springer
16 years 11 days ago
Multiresponse Sparse Regression with Application to Multidimensional Scaling
Sparse regression is the problem of selecting a parsimonious subset of all available regressors for an efficient prediction of a target variable. We consider a general setting in w...
Timo Similä, Jarkko Tikka
VLDB
2005
ACM
114views Database» more  VLDB 2005»
16 years 10 days ago
Checking for k-Anonymity Violation by Views
When a private relational table is published using views, secrecy or privacy may be violated. This paper uses a formally-defined notion of k-anonymity to measure disclosure by vi...
Chao Yao, Xiaoyang Sean Wang, Sushil Jajodia
ICML
2004
IEEE
16 years 8 days ago
Gradient LASSO for feature selection
LASSO (Least Absolute Shrinkage and Selection Operator) is a useful tool to achieve the shrinkage and variable selection simultaneously. Since LASSO uses the L1 penalty, the optim...
Yongdai Kim, Jinseog Kim
SIGIR
2004
ACM
16 years 8 days ago
Sentence completion
We discuss a retrieval model in which the task is to complete a sentence, given an initial fragment, and given an application specific document collection. This model is motivate...
Korinna Grabski, Tobias Scheffer
ADC
2004
Springer
132views Database» more  ADC 2004»
16 years 8 days ago
Questioning Query Expansion: An Examination of Behaviour and Parameters
In information retrieval, queries can fail to find documents due to mismatch in terminology. Query expansion is a well-known technique addressing this problem, where additional q...
Bodo Billerbeck, Justin Zobel