SystemT: An Algebraic Approach to Declarative Information Extraction.
Laura ChiticariuRajasekar KrishnamurthyYunyao LiSriram RaghavanFrederick ReissShivakumar VaithyanathanPublished in: ACL (2010)
Keyphrases
- neural network
- information extraction
- natural language processing
- text mining
- semi structured
- structured data
- precision and recall
- free text
- named entities
- named entity recognition
- knowledge representation
- information retrieval
- machine learning
- text processing
- relation extraction
- natural language
- web documents
- question answering
- high level
- open domain
- declarative language
- ontology based information extraction
- web mining
- domain independent
- conditional random fields
- relational learning
- search engine
- semantic tagging
- machine translation
- text documents
- natural language text
- algebraic operations
- attribute grammars
- real time