28 search results - page 2 / 6 » Hierarchical, perceptron-like learning for ontology-based in... |
AIED
2005
Springer
13 years 10 months ago
2005
Springer
This paper presents an approach to establish and support learning communities. Based on task context information (which is extracted from multiple sources) and relying on the docum...
IJCAI
2003
13 years 6 months ago
2003
Information extraction can be defined as the task of automatically extracting instances of specified classes or relations from text. We consider the case of using machine learni...
ECIR
1998
Springer
13 years 6 months ago
1998
Springer
We present in this paper a combination of Machine Learning based Information Retrieval (IR) techniques and stochastic language modelling in a hierarchical system that extracts sur...
ECML
2007
Springer
13 years 8 months ago
2007
Springer
Abstract. In order to organize huge document collections, labeled hierarchical structures are used frequently. Users are most efficient in navigating such hierarchies, if they refl...
WWW
2005
ACM
14 years 5 months ago
2005
ACM
While several hierarchical classification methods have been applied to web content, such techniques invariably rely on a pre-defined taxonomy of documents. We propose a new techni...