An Error Analysis of Relation Extraction in Social Media Documents.
Gregory BrownPublished in: ACL (Student Session) (2011)
Keyphrases
- error analysis
- relation extraction
- social media
- natural language text
- information extraction
- automatic extraction
- named entities
- text documents
- domain specific
- least squares
- semantic relations
- error correction
- question answering
- information retrieval
- document collections
- semantic role labeling
- semantic features
- dependency trees
- broad coverage
- tree kernels
- xml documents
- document clustering
- metadata
- named entity recognition
- information retrieval systems
- data mining
- conditional random fields
- keywords
- parse tree
- computer vision
- machine learning