A Unified Model of Phrasal and Sentential Evidence for Information Extraction.
Siddharth PatwardhanEllen RiloffPublished in: EMNLP (2009)
Keyphrases
- unified model
- information extraction
- precision and recall
- natural language processing
- empirical evidence
- information retrieval
- free text
- question answering
- web mining
- evidential reasoning
- structured data
- machine learning
- named entity recognition
- named entities
- text mining
- databases
- open domain
- text documents
- conditional random fields
- semi structured
- web documents
- word sense disambiguation
- expert systems
- multiscale
- relational learning
- case study
- ontology based information extraction