168 search results - page 6 / 34 » Collaborative Concept Extraction from Documents |
FLAIRS
2007
14 years 3 days ago
2007
In this paper, we focus on the ontological concept extraction and evaluation process from HTML documents. In order to improve this process, we propose an unsupervised hierarchical...
DEXAW
2008
IEEE
14 years 4 months ago
2008
IEEE
—The ontology learning from text cycle consists of the consecutive phases of term, synonym, concept, taxonomy and relation extraction. In this paper, a proposal towards the unsup...
DASFAA
2005
IEEE
14 years 3 months ago
2005
IEEE
Abstract. In this paper, we present a FASST mining approach to extract the frequently changing semantic structures (FASSTs), which are a subset of semantic substructures that chang...
ACSC
2003
IEEE
14 years 3 months ago
2003
IEEE
We introduced a novel method employing a hierarchical domain ontology structure to extract features representing documents in our previous publication (Wang 2002). All raw words i...
ICDE
2007
IEEE
14 years 11 months ago
2007
IEEE
To access data sources on the Web, a crucial step is wrapping, which translates query responses, rendered in textual HTML, back into their relational form. Traditionally, this pro...