Xiao-Wen Chang

112 papers A* 5A 2B 14Misc 1Journal 81Unranked 9

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Beyond Hard Writes and Rigid Preservation: Soft Recursive Least-Squares for Lifelong LLM Editing. CoRR Xinyu Wang, Sicheng Lyu, Yu Gu, Jerry Huang, Peng Lu, Yufei Cui, Xiao-Wen Chang
2026	J	`jnl`	Dynamic Quantization Error Propagation in Encoder-Decoder ASR Quantization. CoRR Xinyu Wang, Yajie Luo, Yihong Wu, Liheng Ma, Ziyu Zhao, Jingrui Tian, Lei Ding, Yufei Cui, Xiao-Wen Chang
2026	J	`jnl`	InfMem: Learning System-2 Memory Control for Long-Context Agent. CoRR Xinyu Wang, Mingze Li, Peng Lu, Xiao-Wen Chang, Lifeng Shang, Jinping Li, Fei Mi, Prasanna Parthasarathi, Yufei Cui
2026	J	`jnl`	MARS: Unleashing the Power of Speculative Decoding via Margin-Aware Verification. CoRR Jingwei Song, Xinyu Wang, Hanbin Wang, Xiaoxuan Lei, Bill Shi, Shixin Han, Eric Yang, Xiao-Wen Chang, Lynn Ai
2026	J	`jnl`	OJBKQ: Objective-Joint Babai-Klein Quantization. CoRR Xinyu Wang, Ziyu Zhao, Peng Lu, Yu Gu, Xiao-Wen Chang
2025	J	`jnl`	EvoEdit: Evolving Null-space Alignment for Robust and Efficient Knowledge Editing. CoRR Sicheng Lyu, Yu Gu, Xinyu Wang, Jerry Huang, Sitao Luan, Yufei Cui, Xiao-Wen Chang, Peng Lu
2025	A*	`conf`	Improving Context Fidelity via Native Retrieval-Augmented Reasoning. EMNLP Suyuchen Wang, Jinlin Wang, Xinyu Wang, Shiqi Li, Xiangru Tang, Sirui Hong, Xiao-Wen Chang, Chenglin Wu, Bang Liu
2025	J	`jnl`	Improving Context Fidelity via Native Retrieval-Augmented Reasoning. CoRR Suyuchen Wang, Jinlin Wang, Xinyu Wang, Shiqi Li, Xiangru Tang, Sirui Hong, Xiao-Wen Chang, Chenglin Wu, Bang Liu
2025	J	`jnl`	Incorporating Spatial Information into Goal-Conditioned Hierarchical Reinforcement Learning via Graph Representations. CoRR Shuyuan Zhang, Zihan Wang, Xiao-Wen Chang, Doina Precup
2025	J	`jnl`	Incorporating Spatial Information into Goal-Conditioned Hierarchical Reinforcement Learning via Graph Representations. Trans. Mach. Learn. Res. Shuyuan Zhang, Zihan Wang, Xiao-Wen Chang, Doina Precup
2025	A	`conf`	PoT-PTQ: Two-Step Power-of-Two Post-Training for LLMs. ECAI Xinyu Wang, Vahid Partovi Nia, Peng Lu, Jerry Huang, Xiao-Wen Chang, Boxing Chen, Yufei Cui
2025	J	`jnl`	PoTPTQ: A Two-step Power-of-Two Post-training for LLMs. CoRR Xinyu Wang, Vahid Partovi Nia, Peng Lu, Jerry Huang, Xiao-Wen Chang, Boxing Chen, Yufei Cui
2025	J	`jnl`	Resona: Improving Context Copying in Linear Recurrence Models with Retrieval. CoRR Xinyu Wang, Linrui Ma, Jerry Huang, Peng Lu, Prasanna Parthasarathi, Xiao-Wen Chang, Boxing Chen, Yufei Cui
2025	J	`jnl`	SCAR: Shapley Credit Assignment for More Efficient RLHF. CoRR Meng Cao, Shuyuan Zhang, Xiao-Wen Chang, Doina Precup
2024	J	`jnl`	An ADMM based method for underdetermined box-constrained integer least squares problems. Optim. Methods Softw. Xiao-Wen Chang, Tianchi Ma
2024	J	`jnl`	Are Heterophily-Specific GNNs and Homophily Metrics Really Effective? Evaluation Pitfalls and New Benchmarks. CoRR Sitao Luan, Qincheng Lu, Chenqing Hua, Xinyu Wang, Jiaqi Zhu, Xiao-Wen Chang, Guy Wolf, Jian Tang
2024	—	`conf`	Flexible Diffusion Scopes With Parameterized Laplacian for Heterophilic Graph Learning. LoG Qincheng Lu, Jiaqi Zhu, Sitao Luan, Xiao-Wen Chang
2024	J	`jnl`	Flexible Diffusion Scopes with Parameterized Laplacian for Heterophilic Graph Learning. CoRR Qincheng Lu, Jiaqi Zhu, Sitao Luan, Xiao-Wen Chang
2024	B	`conf`	GCEPNet: Graph Convolution-Enhanced Expectation Propagation for Massive MIMO Detection. GLOBECOM Qincheng Lu, Sitao Luan, Xiao-Wen Chang
2024	J	`jnl`	GCEPNet: Graph Convolution-Enhanced Expectation Propagation for Massive MIMO Detection. CoRR Qincheng Lu, Sitao Luan, Xiao-Wen Chang
2024	B	`conf`	On the Success Probability of the $L_{0}$-regularized Box-constrained Babai Point. ISIT Xiao-Wen Chang, Yingzi Xu
2024	J	`jnl`	Representation Learning on Heterophilic Graph with Directional Neighborhood Attention. CoRR Qincheng Lu, Jiaqi Zhu, Sitao Luan, Xiao-Wen Chang
2024	J	`jnl`	Success probability of the L CoRR Xiao-Wen Chang, Yingzi Xu
2024	J	`jnl`	The Heterophilic Graph Learning Handbook: Benchmarks, Models, Theoretical Analysis, Applications and Challenges. CoRR Sitao Luan, Chenqing Hua, Qincheng Lu, Liheng Ma, Lirong Wu, Xinyu Wang, Minkai Xu, Xiao-Wen Chang, Doina Precup, Rex Ying, Stan Z. Li, Jian Tang, Guy Wolf, Stefanie Jegelka
2023	J	`jnl`	New LLRT-Based Methods for Active Eavesdropper Detection in Cell-Free Massive MIMO. IEEE Open J. Commun. Soc. Seyyed Saleh Hosseini, Xiao-Wen Chang, Benoît Champagne
2023	J	`jnl`	Robust, High-Precision GNSS Carrier-Phase Positioning with Visual-Inertial Fusion. CoRR Erqun Dong, Sheroze Sheriffdeen, Shichao Yang, Jing Dong, Renzo De Nardi, Carl Yuheng Ren, Xiao-Wen Chang, Xue Liu, Zijian Wang
2023	B	`conf`	Success Probabilities of L2-norm Regularized Babai Detectors and Maximization. ISIT Xiao-Wen Chang, Qincheng Lu, Yingzi Xu
2023	—	`conf`	Training Matters: Unlocking Potentials of Deeper Graph Convolutional Neural Networks. COMPLEX NETWORKS (1) Sitao Luan, Mingde Zhao, Xiao-Wen Chang, Doina Precup
2023	J	`jnl`	When Do Graph Neural Networks Help with Node Classification: Investigating the Homophily Principle on Node Distinguishability. CoRR Sitao Luan, Chenqing Hua, Minkai Xu, Qincheng Lu, Jiaqi Zhu, Xiao-Wen Chang, Jie Fu, Jure Leskovec, Doina Precup
2023	A*	`conf`	When Do Graph Neural Networks Help with Node Classification? Investigating the Homophily Principle on Node Distinguishability. NeurIPS Sitao Luan, Chenqing Hua, Minkai Xu, Qincheng Lu, Jiaqi Zhu, Xiao-Wen Chang, Jie Fu, Jure Leskovec, Doina Precup
2023	—	`conf`	When Do We Need Graph Neural Networks for Node Classification? COMPLEX NETWORKS (1) Sitao Luan, Chenqing Hua, Qincheng Lu, Jiaqi Zhu, Xiao-Wen Chang, Doina Precup
2022	—	`conf`	A Low-Complexity DNN-Based DoA Estimation Method for EHF and THF Cell-Free Massive MIMO. VTC Fall Seyyed Saleh Hosseini, Benoît Champagne, Xiao-Wen Chang
2022	J	`jnl`	Complete the Missing Half: Augmenting Aggregation Filtering with Diversification for Graph Convolutional Neural Networks. CoRR Sitao Luan, Mingde Zhao, Chenqing Hua, Xiao-Wen Chang, Doina Precup
2022	—	`conf`	Optimal Power Allocation Based on Success Probability of SIC Detection in MWRC PNC. CCECE Hao Li, Xiao-Wen Chang, Benoît Champagne
2022	J	`jnl`	Product-to-Product Virtual Metrology of Color Filter Processes in Panel Industry. IEEE Trans Autom. Sci. Eng. Shu-Kai S. Fan, Xiao-Wen Chang, Yu-Yu Lin
2022	A*	`conf`	Revisiting Heterophily For Graph Neural Networks. NeurIPS Sitao Luan, Chenqing Hua, Qincheng Lu, Jiaqi Zhu, Mingde Zhao, Shuyuan Zhang, Xiao-Wen Chang, Doina Precup
2022	J	`jnl`	Revisiting Heterophily For Graph Neural Networks. CoRR Sitao Luan, Chenqing Hua, Qincheng Lu, Jiaqi Zhu, Mingde Zhao, Shuyuan Zhang, Xiao-Wen Chang, Doina Precup
2022	J	`jnl`	Sharper Bounds on Four Lattice Constants. CoRR Jinming Wen, Xiao-Wen Chang
2022	J	`jnl`	Sharper bounds on four lattice constants. Des. Codes Cryptogr. Jinming Wen, Xiao-Wen Chang
2022	J	`jnl`	When Do We Need GNN for Node Classification? CoRR Sitao Luan, Chenqing Hua, Qincheng Lu, Jiaqi Zhu, Xiao-Wen Chang, Doina Precup
2021	J	`jnl`	A Green Downlink Power Allocation Scheme for Cell-Free Massive MIMO Systems. IEEE Access Seyyed Saleh Hosseini, Benoît Champagne, Xiao-Wen Chang
2021	J	`jnl`	Is Heterophily A Real Nightmare For Graph Neural Networks To Do Node Classification? CoRR Sitao Luan, Chenqing Hua, Qincheng Lu, Jiaqi Zhu, Mingde Zhao, Shuyuan Zhang, Xiao-Wen Chang, Doina Precup
2021	J	`jnl`	On the Success Probability of Three Detectors for the Box-Constrained Integer Linear Model. CoRR Jinming Wen, Xiao-Wen Chang
2021	J	`jnl`	On the Success Probability of Three Detectors for the Box-Constrained Integer Linear Model. IEEE Trans. Commun. Jinming Wen, Xiao-Wen Chang
2021	—	`conf`	Success-Probability-Based Power Allocation for Downlink PNC in Multi-way Relay Channels. VTC Spring Hao Li, Xiao-Wen Chang, Benoît Champagne
2020	J	`jnl`	Complete the Missing Half: Augmenting Aggregation Filtering with Diversification for Graph Convolutional Networks. CoRR Sitao Luan, Mingde Zhao, Chenqing Hua, Xiao-Wen Chang, Doina Precup
2020	A	`conf`	META-Learning State-based Eligibility Traces for More Sample-Efficient Policy Evaluation. AAMAS Mingde Zhao, Sitao Luan, Ian Porada, Xiao-Wen Chang, Doina Precup
2020	B	`conf`	On the Randomized Babai Point. ISIT Xiao-Wen Chang, Zhilong Chen, Yingzi Xu
2020	J	`jnl`	Training Matters: Unlocking Potentials of Deeper Graph Convolutional Neural Networks. CoRR Sitao Luan, Mingde Zhao, Xiao-Wen Chang, Doina Precup
2019	A*	`conf`	Break the Ceiling: Stronger Multi-scale Deep Graph Convolutional Networks. NeurIPS Sitao Luan, Mingde Zhao, Xiao-Wen Chang, Doina Precup
2019	J	`jnl`	Design Criteria for Omnidirectional STBC in Massive MIMO Systems. IEEE Wirel. Commun. Lett. Alireza Morsali, Seyyed Saleh Hosseini, Benoît Champagne, Xiao-Wen Chang
2019	J	`jnl`	Efficient Detection Scheme for Physical-Layer Network Coding in Multiway Relay Channels. IEEE Access Hao Li, Xiao-Wen Chang, Yunlong Cai, Benoît Champagne
2019	B	`conf`	Improved Upper Bounds on the Hermite and KZ Constants. ISIT Jinming Wen, Xiao-Wen Chang, Jian Weng
2019	J	`jnl`	Improved Upper Bounds on the Hermite and KZ Constants. CoRR Jinming Wen, Xiao-Wen Chang, Jian Weng
2019	J	`jnl`	On the KZ Reduction. IEEE Trans. Inf. Theory Jinming Wen, Xiao-Wen Chang
2019	J	`jnl`	Revisit Policy Optimization in Matrix Form. CoRR Sitao Luan, Xiao-Wen Chang, Doina Precup
2018	J	`jnl`	A novel approach for ellipsoidal outer-approximation of the intersection region of ellipses in the plane. Comput. Optim. Appl. Siamak Yousefi, Xiao-Wen Chang, Henk Wymeersch, Benoît Champagne, Godfried Toussaint
2018	B	`conf`	Success Probability of a Suboptimal Solution to the Sparse MAP Detection. ISIT Xiao-Wen Chang, Victor Jukic Prevost
2017	J	`jnl`	A KZ Reduction Algorithm. CoRR Jinming Wen, Xiao-Wen Chang
2017	J	`jnl`	A Novel Approach for Ellipsoidal Outer-Approximation of the Intersection Region of Ellipses in the Plane. CoRR Siamak Yousefi, Xiao-Wen Chang, Henk Wymeersch, Benoît Champagne, Godfried Toussaint
2017	J	`jnl`	GfcLLL: A Greedy Selection-Based Approach for Fixed-Complexity LLL Reduction. IEEE Commun. Lett. Jinming Wen, Xiao-Wen Chang
2017	A*	`conf`	LocMe: Human locomotion and map exploitation based indoor localization. PerCom Xinye Lin, Xiao-Wen Chang, Xue Liu
2017	J	`jnl`	On the Success Probability of the Box-Constrained Rounding and Babai Detectors. CoRR Xiao-Wen Chang, Jinming Wen, Chintha Tellambura
2017	B	`conf`	On the success probability of the box-constrained rounding and Babai detectors. ISIT Jinming Wen, Xiao-Wen Chang, Chintha Tellambura
2017	J	`jnl`	SHOW: Smart Handwriting on Watches. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. Xinye Lin, Yixin Chen, Xiao-Wen Chang, Xue Liu, Xiaodong Wang
2017	J	`jnl`	Success Probability of the Babai Estimators for Box-Constrained Integer Linear Models. IEEE Trans. Inf. Theory Jinming Wen, Xiao-Wen Chang
2016	J	`jnl`	A Linearithmic Time Algorithm for a Shortest Vector Problem in Compute-and-Forward Design. CoRR Jinming Wen, Xiao-Wen Chang
2016	B	`conf`	A linearithmic time algorithm for a shortest vector problem in compute-and-forward design. ISIT Jinming Wen, Xiao-Wen Chang
2016	J	`jnl`	An Efficient Algorithm for Optimally Solving a Shortest Vector Problem in Compute-and-Forward Design. IEEE Trans. Wirel. Commun. Jinming Wen, Baojian Zhou, Wai Ho Mow, Xiao-Wen Chang
2016	J	`jnl`	GfcLLL: A Greedy Selection Based Approach for Fixed-Complexity LLL Reduction. CoRR Jinming Wen, Xiao-Wen Chang
2016	J	`jnl`	Tight Two-Dimensional Outer-Approximations of Feasible Sets in Wireless Sensor Networks. IEEE Commun. Lett. Siamak Yousefi, Henk Wymeersch, Xiao-Wen Chang, Benoît Champagne
2015	J	`jnl`	A Modified KZ Reduction Algorithm. CoRR Jinming Wen, Xiao-Wen Chang
2015	B	`conf`	A modified KZ reduction algorithm. ISIT Jinming Wen, Xiao-Wen Chang
2015	—	`conf`	Compute-and-forward protocol design based on improved sphere decoding. ICC Jinming Wen, Baojian Zhou, Wai Ho Mow, Xiao-Wen Chang
2015	J	`jnl`	Mobile Localization in Non-Line-of-Sight Using Constrained Square-Root Unscented Kalman Filter. IEEE Trans. Veh. Technol. Siamak Yousefi, Xiao-Wen Chang, Benoît Champagne
2015	—	`conf`	Sensor localization in NLOS environments with anchor uncertainty and unknown clock parameters. ICC Workshops Siamak Yousefi, Reza Monir Vaghefi, Xiao-Wen Chang, Benoît Champagne, R. Michael Buehrer
2014	J	`jnl`	Compute-and-Forward Protocol Design Based on Improved Sphere Decoding. CoRR Jinming Wen, Baojian Zhou, Wai Ho Mow, Xiao-Wen Chang
2014	B	`conf`	Cooperative localization of mobile nodes in NLOS. PIMRC Siamak Yousefi, Xiao-Wen Chang, Benoît Champagne
2014	J	`jnl`	Distributed Cooperative Localization in Wireless Sensor Networks without NLOS Identification. CoRR Siamak Yousefi, Xiao-Wen Chang, Benoît Champagne
2014	—	`conf`	Distributed cooperative localization in wireless sensor networks without NLOS identification. WPNC Siamak Yousefi, Xiao-Wen Chang, Benoît Champagne
2014	J	`jnl`	Lattice preconditioning for the real relaxation branch-and-bound approach for integer least squares problems. J. Glob. Optim. Miguel F. Anjos, Xiao-Wen Chang, Wen-Yang Ku
2014	J	`jnl`	Mobile Localization in Non-Line-of-Sight Using Constrained Square-Root Unscented Kalman Filter. CoRR Siamak Yousefi, Xiao-Wen Chang, Benoît Champagne
2014	J	`jnl`	Success probability of the Babai estimators for box-constrained integer linear models. CoRR Jinming Wen, Xiao-Wen Chang
2013	Misc	`conf`	A joint localization and synchronization technique using time of arrival at multiple antenna receivers. ACSSC Siamak Yousefi, Xiao-Wen Chang, Benoît Champagne
2013	J	`jnl`	Effects of the LLL Reduction on the Success Probability of the Babai Point and on the Complexity of Sphere Decoding. IEEE Trans. Inf. Theory Xiao-Wen Chang, Jinming Wen, Xiaohu Xie
2013	J	`jnl`	SyRaFa: Synchronous Rate and Frequency Adjustment for Utilization Control in Distributed Real-Time Embedded Systems. IEEE Trans. Parallel Distributed Syst. Xi Chen, Xiao-Wen Chang, Xue Liu
2012	J	`jnl`	Column Reordering for Box-Constrained Integer Least Squares Problems CoRR Stephen Breen, Xiao-Wen Chang
2012	J	`jnl`	Effects of the LLL reduction on the success probability of the Babai point and on the complexity of sphere decoding CoRR Xiao-Wen Chang, Jinming Wen, Xiaohu Xie
2012	J	`jnl`	On the perturbation of the Q-factor of the QR factorization. Numer. Linear Algebra Appl. Xiao-Wen Chang
2012	J	`jnl`	Partial LLL Reduction CoRR Xiaohu Xie, Xiao-Wen Chang, Mazen Al Borno
2012	J	`jnl`	Perturbation Analysis of the QR factor R in the context of LLL lattice basis reduction. Math. Comput. Xiao-Wen Chang, Damien Stehlé, Gilles Villard
2012	B	`conf`	TailCon: Power-Minimizing Tail Percentile Control of Response Time in Server Clusters. SRDS Xi Chen, Xue Liu, Shengquan Wang, Xiao-Wen Chang
2010	J	`jnl`	Rigorous Perturbation Bounds of Some Matrix Factorizations. SIAM J. Matrix Anal. Appl. Xiao-Wen Chang, Damien Stehlé
2009	J	`jnl`	Partial regularisation approach for detection problems in underdetermined linear systems. IET Commun. Xiao-Wen Chang, Xiaohua Yang, Tho Le-Ngoc, Ping Wang
2009	J	`jnl`	Solving Ellipsoid-Constrained Integer Least Squares Problems. SIAM J. Matrix Anal. Appl. Xiao-Wen Chang, Gene H. Golub
2009	J	`jnl`	Stopping Criteria for the Iterative Solution of Linear Least Squares Problems. SIAM J. Matrix Anal. Appl. Xiao-Wen Chang, Christopher C. Paige, David Titley-Péloquin
2008	B	`conf`	A Maximum-Likelihood Decoder with a New Reduction Strategy for MIMO Channel Systems. GLOBECOM Xiao-Wen Chang, Xiaohua Yang
2008	J	`jnl`	Characterizing Matrices That Are Consistent with Given Solutions. SIAM J. Matrix Anal. Appl. Xiao-Wen Chang, Christopher C. Paige, David Titley-Péloquin
2008	J	`jnl`	Solving Box-Constrained Integer Least Squares Problems. IEEE Trans. Wirel. Commun. Xiao-Wen Chang, Qing Han
2008	J	`jnl`	Towards A Backward Perturbation Analysis For Data Least Squares Problems. SIAM J. Matrix Anal. Appl. Xiao-Wen Chang, Gene H. Golub, Christopher C. Paige
2007	B	`conf`	An Efficient Tree Search Decoder with Column Reordering for Underdetermined MIMO Systems. GLOBECOM Xiao-Wen Chang, Xiaohua Yang
2007	B	`conf`	An efficient regularization approach for underdetermined MIMO system decoding. IWCMC Xiao-Wen Chang, Xiaohua Yang
2006	J	`jnl`	Computation of Huber's M-estimates for a block-angular regression problem. Comput. Stat. Data Anal. Xiao-Wen Chang
2005	J	`jnl`	Asymptotic properties of the Numer. Linear Algebra Appl. Xiao-Wen Chang, Martin J. Gander, Samir Karaa
2005	J	`jnl`	Computation of a Test Statistic in Data Quality Control. SIAM J. Sci. Comput. Xiao-Wen Chang, Christopher C. Paige, Christian C. J. M. Tiberius
2005	J	`jnl`	Erratum to "Wavelet estimation of partially linear models" [Computational Statistics and Data Analysis 47/1 (2004) 31-48]. Comput. Stat. Data Anal. Xiao-Wen Chang, Leming Qu
2004	J	`jnl`	Wavelet estimation of partially linear models. Comput. Stat. Data Anal. Xiao-Wen Chang, Leming Qu
2003	J	`jnl`	An Orthogonal Transformation Algorithm for GPS Positioning. SIAM J. Sci. Comput. Xiao-Wen Chang, Christopher C. Paige
2002	J	`jnl`	Numerical linear algebra in the integrity theory of the Global Positioning System. Comput. Stat. Data Anal. Xiao-Wen Chang, Christopher C. Paige
2001	J	`jnl`	Componentwise perturbation analyses for the QR factorization. Numerische Mathematik Xiao-Wen Chang, Christopher C. Paige
1998	J	`jnl`	Perturbation Analyses for the Cholesky Downdating Problem. SIAM J. Matrix Anal. Appl. Xiao-Wen Chang, Christopher C. Paige
1997	J	`jnl`	Perturbation Analyses for the QR Factorization. SIAM J. Matrix Anal. Appl. Xiao-Wen Chang, Christopher C. Paige, G. W. Stewart