Semantic Case Role Detection for Information Extraction.
Rik De BusserRoxana AnghelutaMarie-Francine MoensPublished in: COLING (2002)
Keyphrases
- information extraction
- natural language
- object detection
- automatic detection
- precision and recall
- text mining
- domain specific
- detection method
- semantic tagging
- false alarms
- semantic information
- false positives
- linguistic patterns
- natural language text
- semi structured
- natural language processing
- high level
- question answering
- semantic network
- machine learning
- ontology population
- unstructured documents
- information retrieval
- semantic knowledge
- metadata
- free text
- knowledge representation
- semantic annotation
- detection algorithm
- case base
- web mining
- named entities
- data mining