Ranking and Sampling in Open-Domain Question Answering.

Yanfu Xu Zheng Lin Yuanxin Liu Rui Liu Weiping Wang Dan Meng

Published in: EMNLP/IJCNLP (1) (2019)

Keyphrases

open domain question answering
question answering
ranking algorithm
learning to rank
web search
ranked list
natural language processing
ranking functions
evaluation measures
information retrieval
evaluation metrics
answer extraction