93 search results - page 17 / 19 » Topic Extraction and Extension to Support Concept Mapping |
GEOINFO
2003
13 years 7 months ago
2003
One of the main challenges for the development of spatial information theory is the formalization of the concepts of space and spatial relations. Currently, most spatial data struc...
AI
2008
Springer
13 years 6 months ago
2008
Springer
The work in this paper is directed towards sophisticated formalisms for reasoning under probabilistic uncertainty in ontologies in the Semantic Web. Ontologies play a central role...
DL
1999
Springer
13 years 10 months ago
1999
Springer
As part of the Illinois Digital Library Initiative (DLI) project we developed “scalable semantics” technologies. These statistical techniques enabled us to index large collect...
GBRPR
2007
Springer
13 years 10 months ago
2007
Springer
Abstract. This paper proposes an expert peering system for information exchange. Our objective is to develop a real-time search engine for an online community where users can ask e...
SIGIR
2004
ACM
13 years 11 months ago
2004
ACM
Indexing and ranking are two key factors for efficient and effective XML information retrieval. Inappropriate indexing may result in false negatives and false positives, and impro...