Sciweavers

1061 search results - page 54 / 213
» Online Correlation Clustering
Sort
View
AIED
2011
Springer
12 years 11 months ago
Workflow-Based Assessment of Student Online Activities with Topic and Dialogue Role Classification
The Pedagogical Assessment Workflow System (PAWS) is a new workflow-based pedagogical assessment framework that enables the efficient and robust integration of diverse datasets for...
Jun Ma, Jeon-Hyung Kang, Erin Shaw, Jihie Kim
CASCON
2007
106views Education» more  CASCON 2007»
13 years 9 months ago
Identifying active subgroups in online communities
As online communities proliferate, methods are needed to explore and capture patterns of activity within them. This paper focuses on the problem of identifying active subgroups wi...
Alvin Chin, Mark H. Chignell
ALT
2008
Springer
14 years 5 months ago
Exploiting Cluster-Structure to Predict the Labeling of a Graph
Abstract. The nearest neighbor and the perceptron algorithms are intuitively motivated by the aims to exploit the “cluster” and “linear separation” structure of the data to...
Mark Herbster
SDM
2007
SIAM
98views Data Mining» more  SDM 2007»
13 years 9 months ago
An incremental data-stream sketch using sparse random projections
We propose the use of random projections with a sparse matrix to maintain a sketch of a collection of high-dimensional data-streams that are updated asynchronously. This sketch al...
Aditya Krishna Menon, Gia Vinh Anh Pham, Sanjay Ch...
JIS
2007
91views more  JIS 2007»
13 years 8 months ago
Clustering methodologies for identifying country core competencies
is.sagepub.com/cgi/content/abstract/33/1/21 The online version of this article can be found at: Published by: http://www.sagepublications.com On behalf of: Chartered Institute of L...
Ronald N. Kostoff, J. Antonio del Río, H&ea...