Search Results for author: Qiqi Wang

Found 7 papers, 3 papers with code

D2GCLF: Document-to-Graph Classifier for Legal Document Classification

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.

Classification Document Classification +2

CSG: Curriculum Representation Learning for Signed Graph

no code implementations17 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.

Link Sign Prediction Representation Learning

Differentiating densities on smooth manifolds

no code implementations12 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

Computational assessment of smooth and rough parameter dependence of statistics in chaotic dynamical systems

1 code implementation21 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

A computable realization of Ruelle's formula for linear response of statistics in chaotic systems

2 code implementations10 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

Multi-Group Multicast Beamforming: Optimal Structure and Efficient Algorithms

no code implementations20 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.

Sensitivity analysis on chaotic dynamical system by Non-Intrusive Least Square Shadowing (NILSS)

1 code implementation3 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

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