Provenance-based dictionary refinement in information extraction.
Sudeepa RoyLaura ChiticariuVitaly FeldmanFrederick ReissHuaiyu ZhuPublished in: SIGMOD Conference (2013)
Keyphrases
- information extraction
- extraction patterns
- precision and recall
- natural language processing
- named entity recognition
- text mining
- structured data
- machine learning
- sparse representation
- free text
- conditional random fields
- semi structured
- metadata
- information retrieval
- named entities
- relation extraction
- fine grained
- refinement process
- relational learning
- ontology based information extraction
- extracting meaningful
- textual data
- web mining
- web documents
- natural language text
- open domain
- machine translation
- information extraction systems
- question answering
- semantic tagging
- natural language
- text summarization
- word sense disambiguation
- manually annotated
- training corpus
- using semantic web technologies