149 search results - page 19 / 30 » Learning by Discovering Concept Hierarchies |
TES
2005
Springer
14 years 27 days ago
2005
Springer
The vision of Semantic Web services promises a network of interoperable Web services over different sources. A major challenge to the realization of this vision is the lack of aut...
TKDE
2010
13 years 5 months ago
2010
—Probabilistic topic models were originally developed and utilised for document modeling and topic extraction in Information Retrieval. In this paper we describe a new approach f...
ACL
2010
13 years 5 months ago
2010
We argue that groups of unannotated texts with overlapping and non-contradictory semantics represent a valuable source of information for learning semantic representations. A simp...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
Automatic folksonomy construction from tags has attracted much attention recently. However, inferring hierarchical relations between concepts from tags has a drawback in that it i...
ICTAI
2007
IEEE
14 years 1 months ago
2007
IEEE
The majority of text retrieval and mining techniques are still based on exact feature (e.g. words) matching and unable to incorporate text semantics. Many researchers believe that...