SystemT: a system for declarative information extraction.
Rajasekar KrishnamurthyYunyao LiSriram RaghavanFrederick ReissShivakumar VaithyanathanHuaiyu ZhuPublished in: SIGMOD Rec. (2008)
Keyphrases
- information extraction
- natural language processing
- free text
- text mining
- precision and recall
- named entities
- named entity recognition
- semi structured
- structured data
- machine learning
- information retrieval
- textual data
- ontology based information extraction
- knowledge representation
- question answering
- web mining
- declarative language
- semantic tagging
- data sets
- information extraction systems
- declarative knowledge
- high level
- unstructured text
- machine translation
- extracting meaningful
- relation extraction
- word sense disambiguation
- text documents
- natural language
- relational learning
- image sequences
- case study
- databases