273 search results - page 48 / 55 » Topic and keyword re-ranking for LDA-based topic modeling |
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
Several recent studies have found only a weak relationship between the performance of a retrieval system and the "success" achievable by human searchers. We hypothesize ...
SDM
2010
SIAM
13 years 5 months ago
2010
SIAM
Collaborative filtering is an important topic in data mining and has been widely used in recommendation system. In this paper, we proposed a unified model for collaborative fil...
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
Blog post opinion retrieval aims at finding blog posts that are relevant and opinionated about a user’s query. In this paper we propose a simple probabilistic model for assigni...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
Text classification using a small labeled set and a large unlabeled data is seen as a promising technique to reduce the labor-intensive and time consuming effort of labeling traini...
IADIS
2003
13 years 8 months ago
2003
Higher educational institutions are just like companies forced to adapt to the ever faster changing environment. There are several obstacles in the way of introducing e-learning i...