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» Empirical investigations of conceptual modeling and the mode...
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CSCW
1998
ACM
15 years 6 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...
SOCRATES
2008
125views Education» more  SOCRATES 2008»
15 years 3 months ago
Collaborative Knowledge Construction in Online Vocational Teacher Education
The purpose of this paper is to build a picture of knowledge construction models in online education. The study describes the knowledge construction process of a group of vocation...
Raimo Mäkelä, Marjatta Myllylä, Han...
109
Voted
IJCNN
2008
IEEE
15 years 8 months ago
On the learning of nonlinear visual features from natural images by optimizing response energies
— The operation of V1 simple cells in primates has been traditionally modelled with linear models resembling Gabor filters, whereas the functionality of subsequent visual cortic...
Jussi T. Lindgren, Aapo Hyvärinen
CIKM
2005
Springer
15 years 7 months ago
A hybrid approach to NER by MEMM and manual rules
This paper describes a framework for defining domain specific Feature Functions in a user friendly form to be used in a Maximum Entropy Markov Model (MEMM) for the Named Entity Re...
Moshe Fresko, Binyamin Rosenfeld, Ronen Feldman
123
Voted
NIPS
2001
15 years 3 months ago
Constructing Distributed Representations Using Additive Clustering
If the promise of computational modeling is to be fully realized in higherlevel cognitive domains such as language processing, principled methods must be developed to construct th...
Wheeler Ruml