Extraction of Text Phrases Using Hierarchical Grammar.
Jan BakusMohamed S. KamelTom T. CareyPublished in: Canadian Conference on AI (2002)
Keyphrases
- broad coverage
- natural language
- keywords
- text extraction
- extraction patterns
- automatically extracted
- automatically extracting
- language generation
- information extraction
- information retrieval
- proper names
- line extraction
- free text
- multiword
- syntactic information
- relation extraction
- temporal expressions
- extraction rules
- text mining
- natural language processing
- word frequency
- finite state automata
- machine learning
- word pairs
- natural language text
- automatic extraction
- hierarchical structure
- text documents
- linguistic information
- sentence level
- semantic representation
- context free grammars
- word order
- noun phrases
- text retrieval
- entity extraction
- question answering
- domain specific
- database