138 search results - page 27 / 28 » Combining concept hierarchies and statistical topic models |
CIDR
2009
13 years 6 months ago
2009
Recent research in domain-independent information extraction holds the promise of an automatically-constructed structured database derived from the Web. A query system based on th...
CIVR
2007
Springer
13 years 12 months ago
2007
Springer
This paper describes the technical details of SemRetriev, a prototype system for image retrieval which combines the use of an ontology which structures an image repository and of ...
WWW
2005
ACM
14 years 6 months ago
2005
ACM
The Rich News system, that can automatically annotate radio and television news with the aid of resources retrieved from the World Wide Web, is described. Automatic speech recogni...
ICDE
2005
IEEE
14 years 7 months ago
2005
IEEE
Schema Matching is the problem of identifying corresponding elements in different schemas. Discovering these correspondences or matches is inherently difficult to automate. Past s...
VLDB
1990
ACM
13 years 9 months ago
1990
ACM
Even though the large body of knowledge of relational query optimization techniques can be utilized as a starting point for object-oriented query optimization the full exploitatio...