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ICML
2003
IEEE
16 years 6 months ago
Semi-Supervised Learning Using Gaussian Fields and Harmonic Functions
An approach to semi-supervised learning is proposed that is based on a Gaussian random field model. Labeled and unlabeled data are represented as vertices in a weighted graph, wit...
Xiaojin Zhu, Zoubin Ghahramani, John D. Lafferty
GECCO
2007
Springer
193views Optimization» more  GECCO 2007»
15 years 11 months ago
Approximating covering problems by randomized search heuristics using multi-objective models
The main aim of randomized search heuristics is to produce good approximations of optimal solutions within a small amount of time. In contrast to numerous experimental results, th...
Tobias Friedrich, Nils Hebbinghaus, Frank Neumann,...
PODC
2006
ACM
15 years 11 months ago
Object location using path separators
We study a novel separator property called k-path separable. Roughly speaking, a k-path separable graph can be recursively separated into smaller components by sequentially removi...
Ittai Abraham, Cyril Gavoille
SAC
2005
ACM
15 years 11 months ago
An information retrieval model using the fuzzy proximity degree of term occurences
Based on the idea that the closer the query terms in a document are, the more relevant this document is, we propose a mathematical model of information retrieval based on a fuzzy ...
Michel Beigbeder, Annabelle Mercier
147
Voted
AFRIGRAPH
2004
ACM
15 years 10 months ago
Designing a VR interaction authoring tool using constructivist practices
This paper describes the process of designing an authoring tool for virtual environments, using constructivist principles. The focus of the tool is on helping novice designers wit...
Cara Winterbottom, Edwin H. Blake