Managing information extraction: state of the art and research directions.
AnHai DoanRaghu RamakrishnanShivakumar VaithyanathanPublished in: SIGMOD Conference (2006)
Keyphrases
- information extraction
- named entity recognition
- precision and recall
- natural language processing
- free text
- named entities
- information retrieval
- machine learning
- relation extraction
- text mining
- web documents
- semi structured
- textual data
- relational learning
- natural language
- ontology based information extraction
- text summarization
- mission critical
- web mining
- data sets
- conditional random fields
- artificial intelligence
- machine translation
- open domain
- information extraction systems
- semantic tagging
- natural language text
- text processing
- structured data
- question answering
- domain specific
- artificial neural networks
- real world