1342 search results - page 223 / 269 » Measuring concept relatedness using language models |
SIGIR
2006
ACM
15 years 3 months ago
2006
ACM
Despite its intuitive appeal, the hypothesis that retrieval at the level of “concepts” should outperform purely term-based approaches remains unverified empirically. In addit...
LREC
2008
14 years 11 months ago
2008
A core ontology is a mid-level ontology which bridges the gap between an upper ontology and a domain ontology. Automatic Chinese core ontology construction can help quickly model ...
SDM
2009
SIAM
15 years 7 months ago
2009
SIAM
Large amounts of remotely sensed data calls for data mining techniques to fully utilize their rich information content. In this paper, we study new means of discovery and summariz...
AAAI
2007
15 years 4 days ago
2007
We investigate the impact of time on the predictability of sentiment classification research for models created from web logs. We show that sentiment classifiers are time dependen...
FLAIRS
2006
14 years 11 months ago
2006
In real-life decision analysis, the probabilities and values of consequences are in general vague and imprecise. One way to model imprecise probabilities is to represent a probabi...