Sciweavers

414 search results - page 5 / 83
» Background knowledge for ontology construction
Sort
View
WWW
2006
ACM
14 years 8 months ago
Position paper: ontology construction from online ontologies
One of the main hurdles towards a wide endorsement of ontologies is the high cost of constructing them. Reuse of existing ontologies offers a much cheaper alternative than buildin...
Harith Alani
DEXAW
2009
IEEE
171views Database» more  DEXAW 2009»
14 years 2 months ago
Ontology Knowledge Authoring by Natural Language Empowerment
One of the main limitations in using ontologies in modern information systems is due to the fact that the design and maintenance of ontologies is a complex activity that requires ...
Alfio Ferrara, Stefano Montanelli, Gaia Varese, Si...
JAIR
2010
160views more  JAIR 2010»
13 years 5 months ago
Constructing Reference Sets from Unstructured, Ungrammatical Text
Vast amounts of text on the Web are unstructured and ungrammatical, such as classified ads, auction listings, forum postings, etc. We call such text “posts.” Despite their in...
Matthew Michelson, Craig A. Knoblock
WONTO
2008
13 years 8 months ago
A Survey of Ontology Learning Procedures
Abstract. Ontologies constitute an approach for knowledge representation that can be shared establishing a shared vocabulary for different applications and are also the backbone of...
Lucas Drumond, Rosario Girardi
EDM
2008
141views Data Mining» more  EDM 2008»
13 years 8 months ago
Acquiring Background Knowledge for Intelligent Tutoring Systems
One of the unresolved problems faced in the construction of intelligent tutoring systems is the acquisition of background knowledge, either for the specification of the teaching st...
Cláudia Antunes