2 papers
cs.CL2023
Dense Retrieval as Indirect Supervision for Large-space Decision Making
Nan Xu, Fei Wang, Mingtao Dong +1
Many discriminative natural language understanding (NLU) tasks have large label spaces. Learning such a process of large-space decision making is particularly challenging due to th…
cs.CL2022
Does Your Model Classify Entities Reasonably? Diagnosing and Mitigating Spurious Correlations in Entity Typing
Nan Xu, Fei Wang, Bangzheng Li +2
Entity typing aims at predicting one or more words that describe the type(s) of a specific mention in a sentence. Due to shortcuts from surface patterns to annotated entity labels…