Progress in Information Extraction.
Ralph M. WeischedelSean BoisenDaniel M. BikelRobert J. BobrowMichael CrystalWilliam FergusonAllan WechslerPublished in: TIPSTER (1996)
Keyphrases
- information extraction
- precision and recall
- machine learning
- natural language processing
- information retrieval
- text mining
- free text
- structured data
- ontology based information extraction
- semi structured
- named entities
- relation extraction
- learning algorithm
- natural language
- named entity recognition
- textual data
- relational learning
- text processing
- open domain
- text documents
- information systems
- search engine
- artificial intelligence
- question answering
- extracting meaningful
- text summarization
- semantic tagging
- unstructured text
- conditional random fields