no code implementations • Findings (NAACL) 2022 • Qiqi Wang, Kaiqi Zhao, Robert Amor, Benjamin Liu, Ruofan Wang
We propose a Document-to-Graph Classifier (D2GCLF), which extracts facts as relations between key participants in the law case and represents a legal document with four relation graphs.
no code implementations • 17 Oct 2023 • Zeyu Zhang, Jiamou Liu, Kaiqi Zhao, Yifei Wang, Pengqian Han, Xianda Zheng, Qiqi Wang, Zijian Zhang
Signed graphs are valuable for modeling complex relationships with positive and negative connections, and Signed Graph Neural Networks (SGNNs) have become crucial tools for their analysis.
no code implementations • 12 Mar 2021 • Adam A. Sliwiak, Qiqi Wang
Lebesgue integration of derivatives of strongly-oscillatory functions is a recurring challenge in computational science and engineering.
Numerical Analysis Numerical Analysis Dynamical Systems 28A25, 37M05, 65D30
1 code implementation • 21 Jan 2021 • Adam A. Sliwiak, Nisha Chandramoorthy, Qiqi Wang
An assumption of smooth response to small parameter changes, of statistics or long-time averages of a chaotic system, is generally made in the field of sensitivity analysis, and the parametric derivatives of statistical quantities are critically used in science and engineering.
Chaotic Dynamics Dynamical Systems
2 code implementations • 10 Feb 2020 • Nisha Chandramoorthy, Qiqi Wang
We present a computable reformulation of Ruelle's linear response formula for chaotic systems.
Dynamical Systems Mathematical Physics Mathematical Physics Chaotic Dynamics
no code implementations • 20 Nov 2019 • Min Dong, Qiqi Wang
By utilizing the successive convex approximation numerical method and Lagrangian duality, we obtain the optimal multicast beamforming solution structure for both the quality-of-service (QoS) problem and the max-min fair (MMF) problem.
1 code implementation • 3 Nov 2016 • Angxiu Ni, Qiqi Wang
This paper develops the Non-Intrusive Least Squares Shadowing (NILSS) method, which computes the sensitivity for long-time averaged objectives in chaotic dynamical systems.
Computational Physics Computational Engineering, Finance, and Science Numerical Analysis