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ICANN
2005
Springer
16 years 25 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 23 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 22 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 22 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 21 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