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AIED
2007
Springer
13 years 11 months ago
Profiling Student Interactions in Threaded Discussions with Speech Act Classifiers
On-line discussion is a popular form of web-based computer-mediated communication and is an important medium for distance education. Automatic tools for analyzing online discussion...
Sujith Ravi, Jihie Kim
AMAI
2004
Springer
13 years 10 months ago
Bayesian Model Averaging Across Model Spaces via Compact Encoding
Bayesian Model Averaging (BMA) is well known for improving predictive accuracy by averaging inferences over all models in the model space. However, Markov chain Monte Carlo (MCMC)...
Ke Yin, Ian Davidson
BIS
2007
93views Business» more  BIS 2007»
13 years 6 months ago
Homogeneous Temporal Activity Patterns in a Large Online Communication Space
The many-to-many social communication activity on the popular technology-news website Slashdot has been studied. We have concentrated on the dynamics of message production without...
Andreas Kaltenbrunner, Vicenç Gómez,...
CSCW
1998
ACM
13 years 9 months ago
The Dynamics of Mass Interaction
Usenet may be regarded as the world’s largest conversational application, with over 17,000 newsgroups and 3 million users. Despite its ubiquity and popularity, however, we know ...
Steve Whittaker, Loren G. Terveen, William C. Hill...
VLDB
2012
ACM
360views Database» more  VLDB 2012»
12 years 24 days ago
An adaptive updating protocol for reducing moving object database workload
In the last decade, spatio-temporal database research focuses on the design of effective and efficient indexing structures in support of location-based queries such as predictive...
Su Chen, Beng Chin Ooi, Zhenjie Zhang