An Event-Ontology-Based Approach to Constructing Episodic Knowledge from Unstructured Text Documents.
Ting-Peng LiangDongsong ZhangMing-Yu LeePublished in: ICIS (2009)
Keyphrases
- text documents
- relevant concepts
- news articles
- domain knowledge
- knowledge base
- text mining
- knowledge representation
- text categorization
- domain ontology
- text classification
- information extraction
- keywords
- topic models
- semantic information
- document clustering
- wordnet
- text representation
- domain specific
- semantically rich
- machine learning
- named entities
- support vector machine
- expert systems
- text data
- document representation
- concept hierarchy
- feature extraction
- data sets
- automatic text categorization