238 search results - page 1 / 48 » Knowledge transformation from word space to document space |
SIGIR
2008
ACM
13 years 4 months ago
2008
ACM
In most IR clustering problems, we directly cluster the documents, working in the document space, using cosine similarity between documents as the similarity measure. In many real...
ASWC
2006
Springer
13 years 8 months ago
2006
Springer
Abstract. Semantics shows diversity in real world, document world, mental abstraction world and machine world. Transformation between semantics pursues the uniformity in the divers...
NLDB
2007
Springer
13 years 10 months ago
2007
Springer
Abstract. In this paper, we target document ranking in a highly technical field with the aim to approximate a ranking that is obtained through an existing ontology (knowledge stru...
RIAO
2004
13 years 6 months ago
2004
This paper introduces a new approach to provide users with solutions to explore a domain via an information space. A key point in our approach is that information searching and ex...
ACL
2003
13 years 6 months ago
2003
Standard IR systems can process queries such as “web NOT internet”, enabling users who are interested in arachnids to avoid documents about computing. The documents retrieved ...