Sciweavers

2261 search results - page 178 / 453
» Supervised Topic Models
Sort
View
JMLR
2010
163views more  JMLR 2010»
14 years 8 months ago
Detection of Server-side Web Attacks
Web servers and server-side applications constitute the key components of modern Internet services. We present a pattern recognition system to the detection of intrusion attempts ...
Igino Corona, Giorgio Giacinto
ICASSP
2011
IEEE
14 years 5 months ago
Adaptation of source-specific dictionaries in Non-Negative Matrix Factorization for source separation
This paper concerns the adaptation of spectrum dictionaries in audio source separation with supervised learning. Supposing that samples of the audio sources to separate are availa...
Xabier Jaureguiberry, Pierre Leveau, Simon Maller,...
ICCV
2011
IEEE
14 years 1 months ago
Delta-Dual Hierarchical Dirichlet Processes: A pragmatic abnormal behaviour detector
In the security domain a key problem is identifying rare behaviours of interest. Training examples for these behaviours may or may not exist, and if they do exist there will be fe...
Tom Haines, Queen Mary, Tao Xiang
ACL
2012
13 years 4 months ago
Lemmatisation as a Tagging Task
We present a novel approach to the task of word lemmatisation. We formalise lemmatisation as a category tagging task, by describing how a word-to-lemma transformation rule can be ...
Andrea Gesmundo, Tanja Samardzic
ICDM
2008
IEEE
80views Data Mining» more  ICDM 2008»
15 years 8 months ago
Collective Latent Dirichlet Allocation
In this paper, we propose a new variant of Latent Dirichlet Allocation(LDA): Collective LDA (C-LDA), for multiple corpora modeling. C-LDA combines multiple corpora during learning...
Zhiyong Shen, Jun Sun, Yi-Dong Shen