Structured-information extraction from patent-claim sentences.
Fujio NishidaShinobu TakamatsuPublished in: Inf. Process. Manag. (1982)
Keyphrases
- information extraction
- structured data
- text summarization
- natural language
- information retrieval
- unstructured text
- named entity recognition
- precision and recall
- open domain
- named entities
- text mining
- semi structured
- relation extraction
- linguistic patterns
- natural language processing
- question answering
- conditional random fields
- prior art
- free text
- machine learning
- natural language text
- multi document summarization
- unstructured data
- sentence level
- intellectual property
- structured and unstructured data
- ontology based information extraction
- extractive summarization
- text processing
- information extraction systems
- text documents
- web documents