Automatic Domain-Ontology Relation Extraction from Semi-structured Texts.
Cheng XiaoDequan ZhengYuhang YangGuojun ShaoPublished in: IALP (2009)
Keyphrases
- semi structured
- relation extraction
- domain ontology
- information extraction
- wrapper generation
- text mining
- semi automatic
- natural language text
- domain specific
- structured data
- named entities
- automatic extraction
- text documents
- information extraction systems
- domain knowledge
- web documents
- named entity recognition
- natural language
- information retrieval
- free text
- semantic role labeling
- information integration
- natural language processing
- question answering
- semantic relations
- semantic information
- domain experts
- general purpose
- data sources
- databases
- data model
- tree kernels
- semantic features
- concept hierarchy
- term extraction
- machine learning
- sentiment analysis
- database
- document collections
- expert systems
- keywords