149 search results - page 12 / 30 » Learning by Discovering Concept Hierarchies |
WEBI
2004
Springer
14 years 23 days ago
2004
Springer
In order to achieve optimal efficiency in a learning process, individual learner needs his/her own personalized assistance. For a web-based open and dynamic learning environment, ...
CLEF
2009
Springer
13 years 5 months ago
2009
Springer
Our group within the University of Amsterdam participated in the large-scale visual concept detection task of ImageCLEF 2009. Our experiments focus on increasing the robustness of...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
Discovering mappings between concept hierarchies is widely regarded as one of the hardest and most urgent problems facing the Semantic Web. The problem is even harder in domains w...
WISE
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. The key for providing a robust context for personalized information retrieval is to build a library which gathers the long term and the short term user’s interests and ...
RIAO
2004
13 years 8 months ago
2004
In this paper we introduce a machine learning approach for automatic text segmentation. Our text segmenter clusters text-segments containing similar concepts. It first discovers th...