Discovering Subsumption Hierarchies of Ontology Concepts from Text Corpora.
Elias ZavitsanosGeorgios PaliourasGeorge A. VourosSergios PetridisPublished in: Web Intelligence (2007)
Keyphrases
- text corpora
- concept hierarchy
- snomed ct
- lexical resources
- ontology learning
- domain ontology
- formal concept analysis
- text mining
- semantic relationships
- computational linguistics
- description logics
- user profiles
- text analysis
- background knowledge
- topic models
- document collections
- knowledge representation
- co occurrence
- topic modeling
- knowledge base
- domain specific
- text documents
- hierarchical structure
- wordnet
- domain knowledge
- keywords
- information retrieval systems
- structured data
- natural language processing
- text collections
- knowledge discovery
- search engine
- text classifiers
- data sources
- data structure
- image classification