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Author

Ruohan Qiao

2 papers indexed here

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Conference Open access Oct 2026

The Release of GPT-4 and Trading Activity in U.S. Equity Markets

This paper analyzes changes in U.S. stock market trading activity around the release of GPT-4 in March 2023. We use a segmented interrupted time-series design with level-discontinuity and regression-kink components. The analysis uses monthly market-wide trading data from March 2020 to May 2026 and supplementary FINRA m...

Ruo-Han Qiao · 0 citations
Conference Aug 2026

A deep learning-based indoor localization algorithm using CSI measurement and time series decomposition

Recently, indoor localization techniques have received considerable attention due to their wide utilization. In this paper, a deep learning based indoor localization algorithm using channel state information (CSI) measurements and time series decomposition has been proposed. First, the mean deviation based signal prepr...

Ruohan Qiao, Jun Yan · 0 citations

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