1396 search results - page 70 / 280 » Polylingual Topic Models |
WWW
2009
ACM
15 years 10 months ago
2009
ACM
In this paper, we try to leverage a large-scale and multilingual knowledge base, Wikipedia, to help effectively analyze and organize Web information written in different languages...
NAACL
2010
14 years 7 months ago
2010
This paper introduces the novel task of topic coherence evaluation, whereby a set of words, as generated by a topic model, is rated for coherence or interpretability. We apply a r...
SIGIR
2009
ACM
15 years 4 months ago
2009
ACM
Topics form a crucial component of a test collection. We show, through visualization, that the INEX 2008 topics have shortcomings, which questions their validity for evaluating XM...
ECIR
2009
Springer
15 years 7 months ago
2009
Springer
The aim of query-based sampling is to obtain a sufficient, representative sample of an underlying (text) collection. Current measures for assessing sample quality are too coarse gr...
AIRS
2009
Springer
15 years 4 months ago
2009
Springer
Relevance-based language models operate by estimating the probabilities of observing words in documents relevant (or pseudo relevant) to a topic. However, these models assume that ...