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    Chapter and Conference Paper

    Stock Volatility Prediction Based on Transformer Model Using Mixed-Frequency Data

    With the increasing volume of high-frequency data in the information age, both challenges and opportunities arise in the prediction of stock volatility. On one hand, the outcome of prediction using tradition m...

    Wenting Liu, Zhaozhong Gui, Guilin Jiang, Lihua Tang, Lichun Zhou… in Web and Big Data (2024)

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    Chapter and Conference Paper

    Multi-granulation Rough Sets Based on Central Sets

    Exploring rough sets from the viewpoint of multi-granulation has become one of the promising topics in rough set theory, in which lower or upper approximations are approximated by multiple binary relations. Th...

    Caihui Liu, Meizhi Wang, Yujiang Liu, Min Wang in Rough Sets and Knowledge Technology (2014)