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AIED
2007
Springer
14 years 17 days ago
Novel Tools for Assessing Student Discussions: Modeling threads and participant roles using speech act and course topic analysis
This paper describes new techniques for assessing pedagogical discourse via threaded discussions that are based on an analysis of speech acts and course topics. The context is an u...
Jihie Kim, Erin Shaw, Grace Chern, Roshan Herbert
ICML
2009
IEEE
14 years 9 months ago
Incorporating domain knowledge into topic modeling via Dirichlet Forest priors
Users of topic modeling methods often have knowledge about the composition of words that should have high or low probability in various topics. We incorporate such domain knowledg...
David Andrzejewski, Xiaojin Zhu, Mark Craven
WWW
2008
ACM
14 years 9 months ago
Automatic web image selection with a probabilistic latent topic model
We propose a new method to select relevant images to the given keywords from images gathered from the Web based on the Probabilistic Latent Semantic Analysis (PLSA) model which is...
Keiji Yanai
COLING
1996
13 years 10 months ago
Modeling Topic Coherence for Speech Recognition
Statistical language models play a major role in current speech recognition systems. Most of these models have focussed on relatively local interactions between words. Recently, h...
Satoshi Sekine
ICDE
2009
IEEE
130views Database» more  ICDE 2009»
14 years 10 months ago
A Latent Topic Model for Complete Entity Resolution
In bibliographies like DBLP and Citeseer, there are three kinds of entity-name problems that need to be solved. First, multiple entities share one name, which is called the name sh...
Liangcai Shu, Bo Long, Weiyi Meng