Hitachi at SemEval-2017 Task 12: System for temporal information extraction from clinical notes.
Sarath P. R.Manikandan RYoshiki NiwaPublished in: SemEval@ACL (2017)
Keyphrases
- information extraction
- word sense disambiguation
- temporal information
- natural language processing
- precision and recall
- spatio temporal
- text mining
- named entity recognition
- spatial and temporal
- semi structured
- temporal reasoning
- information retrieval
- relation extraction
- temporal constraints
- free text
- temporal data
- machine learning
- data extraction
- temporal analysis
- named entities
- conditional random fields
- structured data
- text documents
- question answering
- co occurrence
- databases
- web mining
- temporal patterns
- space time
- text processing
- temporal relations
- temporal dimension
- open domain
- ontology based information extraction