3 papers
cs.CL2021
TextGNN: Improving Text Encoder via Graph Neural Network in Sponsored Search
Jason Yue Zhu, Yanling Cui, Yuming Liu +7
Text encoders based on C-DSSM or transformers have demonstrated strong performance in many Natural Language Processing (NLP) tasks. Low latency variants of these models have also b…
econ.EM2018
State-Varying Factor Models of Large Dimensions
Markus Pelger, Ruoxuan Xiong
This paper develops an inferential theory for state-varying factor models of large dimensions. Unlike constant factor models, loadings are general functions of some recurrent state…
stat.ME2018
Interpretable Sparse Proximate Factors for Large Dimensions
Markus Pelger, Ruoxuan Xiong
This paper proposes sparse and easy-to-interpret proximate factors to approximate statistical latent factors. Latent factors in a large-dimensional factor model can be estimated by…