Sciweavers

1310 search results - page 22 / 262
» Learning the k in k-means
Sort
View
WWW
2004
ACM
14 years 10 months ago
Integrating learning objects into an open learning environment: evaluation of learning processes in an informatics learning lab
The Didactics of Informatics research group at the University of Paderborn is involved in efforts to design implement and evaluate a web-based learning laboratory for informatics ...
Johannes Magenheim, Olaf Scheel
EDBT
2008
ACM
132views Database» more  EDBT 2008»
14 years 10 months ago
Indexing high-dimensional data in dual distance spaces: a symmetrical encoding approach
Due to the well-known dimensionality curse problem, search in a high-dimensional space is considered as a "hard" problem. In this paper, a novel symmetrical encoding-bas...
Yi Zhuang, Yueting Zhuang, Qing Li, Lei Chen 0002,...
ICALT
2006
IEEE
14 years 3 months ago
Future Visions of Technology-Enhanced Professional Learning
The paper presents future visions of technologyenhanced professional learning as expressed in a panEuropean roadmapping activity. The paper introduces a new approach to developing...
Vana Kamtsiou, Ambjörn Naeve, Lampros K. Ster...
ECML
2006
Springer
14 years 1 months ago
A Selective Sampling Strategy for Label Ranking
Abstract. We propose a novel active learning strategy based on the compression framework of [9] for label ranking functions which, given an input instance, predict a total order ov...
Massih-Reza Amini, Nicolas Usunier, Françoi...
FOCS
2010
IEEE
13 years 7 months ago
Learning Convex Concepts from Gaussian Distributions with PCA
We present a new algorithm for learning a convex set in n-dimensional space given labeled examples drawn from any Gaussian distribution. The complexity of the algorithm is bounded ...
Santosh Vempala