542 search results - page 69 / 109 » Learning author-topic models from text corpora |
COOPIS
2004
IEEE
14 years 22 days ago
2004
IEEE
We report on an a set of experiments carried out in the context of the Flemish OntoBasis project. Our purpose is to extract semantic relations from text corpora in an unsupervised ...
ECIR
1998
Springer
13 years 10 months ago
1998
Springer
We present in this paper a combination of Machine Learning based Information Retrieval (IR) techniques and stochastic language modelling in a hierarchical system that extracts sur...
KDD
2009
ACM
14 years 9 months ago
2009
ACM
One common predictive modeling challenge occurs in text mining problems is that the training data and the operational (testing) data are drawn from different underlying distributi...
EMNLP
2007
13 years 10 months ago
2007
One may need to build a statistical parser for a new language, using only a very small labeled treebank together with raw text. We argue that bootstrapping a parser is most promis...
ICCV
2011
IEEE
12 years 9 months ago
2011
IEEE
Most existing techniques for analyzing face images assume that the faces are at near-frontal poses. Generalizing to non-frontal faces is often difficult, due to a dearth of groun...