UHop: An Unrestricted-Hop Relation Extraction Framework for Knowledge-Based Question Answering.
Zi-Yuan ChenChih-Hung ChangYi-Pei ChenJijnasa NayakLun-Wei KuPublished in: CoRR (2019)
Keyphrases
- question answering
- relation extraction
- named entities
- automatic extraction
- information extraction
- semantic relations
- semantic features
- question classification
- information retrieval
- domain specific
- natural language text
- semantic role labeling
- question answering systems
- probabilistic model
- named entity recognition
- natural language
- tree kernels
- natural language processing
- text retrieval
- low level
- feature vectors
- artificial intelligence
- syntactic information
- machine learning