UHop: An Unrestricted-Hop Relation Extraction Framework for Knowledge-Based Question Answering.
Zi-Yuan ChenChih-Hung ChangYi-Pei ChenJijnasa NayakLun-Wei KuPublished in: NAACL-HLT (1) (2019)
Keyphrases
- question answering
- relation extraction
- named entities
- automatic extraction
- information extraction
- natural language text
- information retrieval
- domain specific
- semantic role labeling
- question classification
- natural language processing
- semantic relations
- syntactic information
- unsupervised learning
- named entity recognition
- question answering systems
- information retrieval systems
- expert systems
- natural language
- machine learning
- tree kernels