75 search results - page 2 / 15 » Structuralization of Case-Bases, Using Concept Hierarchy |
SIGIR
1999
ACM
13 years 9 months ago
1999
ACM
This paper presents a means of automatically deriving a hierarchical organization of concepts from a set of documents without use of training data or standard clustering technique...
TAPOS
1998
13 years 5 months ago
1998
Building and maintaining the class hierarchy has been recognized as an important but one of the most difficult activities of object-oriented design. Concept (or Galois) lattices a...
CICLING
2001
Springer
13 years 9 months ago
2001
Springer
This paper proposes a method of using ontology hierarchy in automatic topic identification. The fundamental idea behind this work is to exploit an ontology hierarchical structure i...
APLAS
2006
ACM
13 years 11 months ago
2006
ACM
Abstract. Class extensions provide a fine-grained mechanism to define incremental modifications to class-based systems when standard subclassing mechanisms are inappropriate. To...
AINA
2005
IEEE
13 years 11 months ago
2005
IEEE
2004, Chang et al. suggested an approach that solves the problem of secret sharing with access structures in a hierarchy. They used the concept of discrete logarithmto reuse shado...