A bag-of-concepts model improves relation extraction in a narrow knowledge domain with limited data.

Jiyu Chen Karin Verspoor Zenan Zhai

Published in: CoRR (2019)

Keyphrases

prior knowledge
data analysis
relation extraction
knowledge base
background knowledge
probabilistic model
concept hierarchy
data sources
domain specific
feature selection
feature vectors
active learning
knowledge discovery
knowledge based systems
information sources
maximum entropy