1836 search results - page 20 / 368 » Hierarchies for semantic classes |
RIAO
2004
14 years 11 months ago
2004
We introduce a new method for automatically constructing concept hierarchies where the concept nodes follow a generalization / specialization relation. Starting from a set of conc...
84
Voted
ESWS
2006
Springer
15 years 1 months ago
2006
Springer
Abstract. Automatic extraction of semantic relationships between entity instances in an ontology is useful for attaching richer semantic metadata to documents. In this paper we pro...
CIS
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. Ontology plays an important role on the Semantic Web. In this paper, we propose a method, AOIWD, of acquiring ontology information from Web documents. The AOIWD method em...
60
Voted
JCDL
2003
ACM
15 years 2 months ago
2003
ACM
To support non-trivial clients, such as data exploration and analysis environments, digital libraries must be able to describe the access modes that their contents support. We pre...
93
Voted
DMDW
2001
14 years 11 months ago
2001
Research on logical design of OLAP cubes has tended to assume that the rollup hierarchy in a cube dimension takes the form of a balanced tree. However, experience from industry in...