370 citations · 875 across the 27 of their papers we have counts for
27 papers
Testing for intrinsic multifractality in the global grain spot market indices: A multifractal detrended fluctuation analysis
Li Wang, Xing-Lu Gao, Wei-Xing Zhou
Grains account for more than 50% of the calories consumed by people worldwide, and military conflicts, pandemics, climate change, and soaring grain prices all have vital impacts on…
Dial-MAE: ConTextual Masked Auto-Encoder for Retrieval-based Dialogue Systems
Zhenpeng Su, Xing Wu, Wei Zhou +2
Dialogue response selection aims to select an appropriate response from several candidates based on a given user and system utterance history. Most existing works primarily focus o…
RASR2: The RWTH ASR Toolkit for Generic Sequence-to-sequence Speech Recognition
Wei Zhou, Eugen Beck, Simon Berger +2
Modern public ASR tools usually provide rich support for training various sequence-to-sequence (S2S) models, but rather simple support for decoding open-vocabulary scenarios only.…
Temporal rich club phenomenon and its formation mechanisms
Mu-Yao Li, Ying-Ting Zhang, Wei-Xing Zhou
The temporal rich club (TRC) phenomenon is widespread in real systems, forming a tight and continuous collection of the prominent nodes that control the system. However, there is s…
Visibility graph analysis of the grains and oilseeds indices
Hao-Ran Liu, Ming-Xia Li, Wei-Xing Zhou
The Grains and Oilseeds Index (GOI) and its sub-indices of wheat, maize, soyabeans, rice, and barley are daily price indexes reflect the price changes of the global spot markets of…
Tail dependence structure and extreme risk spillover effects between the international agricultural futures and spot markets
Yun-Shi Dai, Peng-Fei Dai, Wei-Xing Zhou
This paper combines the Copula-CoVaR approach with the ARMA-GARCH-skewed Student-t model to investigate the tail dependence structure and extreme risk spillover effects between the…