Unsupervised Relation Extraction Using Dependency Trees for Automatic Generation of Multiple-Choice Questions.
Naveed AfzalRuslan MitkovAtefeh FarzindarPublished in: Canadian Conference on AI (2011)
Keyphrases
- dependency trees
- relation extraction
- multiple choice questions
- broad coverage
- automatic extraction
- information extraction
- domain specific
- named entities
- semantic features
- semantic relations
- semantic role labeling
- question answering
- tree kernels
- named entity recognition
- semi supervised
- unsupervised learning
- natural language text
- supervised learning
- parse tree
- natural language processing
- artificial intelligence
- dependency parser
- machine learning
- knowledge based systems
- learning process
- general purpose
- information retrieval