Alex X. Liu

16.4k total citations · 4 hit papers
352 papers, 12.1k citations indexed

About

Alex X. Liu is a scholar working on Computer Networks and Communications, Electrical and Electronic Engineering and Artificial Intelligence. According to data from OpenAlex, Alex X. Liu has authored 352 papers receiving a total of 12.1k indexed citations (citations by other indexed papers that have themselves been cited), including 180 papers in Computer Networks and Communications, 123 papers in Electrical and Electronic Engineering and 121 papers in Artificial Intelligence. Recurrent topics in Alex X. Liu's work include Network Security and Intrusion Detection (77 papers), Network Packet Processing and Optimization (68 papers) and Internet Traffic Analysis and Secure E-voting (55 papers). Alex X. Liu is often cited by papers focused on Network Security and Intrusion Detection (77 papers), Network Packet Processing and Optimization (68 papers) and Internet Traffic Analysis and Secure E-voting (55 papers). Alex X. Liu collaborates with scholars based in United States, China and United Kingdom. Alex X. Liu's co-authors include Muhammad Shahzad, Muhammad Shafiq, Wei Wang, Eric Torng, Kang Ling, Sanglu Lu, Wei Wang, Haipeng Dai, Chad R. Meiners and Lusheng Ji and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Advanced Materials and Angewandte Chemie International Edition.

In The Last Decade

Alex X. Liu

343 papers receiving 11.7k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Understanding and Modeling of WiFi Signal Based Human Activity Recognition

2015 816 citations Alex X. Liu, Muhammad Shahzad et al. profile →
Gait recognition using wifi signals

2016 446 citations Alex X. Liu, Muhammad Shahzad et al. profile →
Keystroke Recognition Using WiFi Signals

2015 421 citations Alex X. Liu, Muhammad Shahzad et al. profile →
Device-Free Human Activity Recognition Using Commercial WiFi Devices

2017 382 citations Alex X. Liu, Muhammad Shahzad et al. profile →

Peers

Countries citing papers authored by Alex X. Liu

Since Specialization

Citations

This map shows the geographic impact of Alex X. Liu's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Alex X. Liu with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Alex X. Liu more than expected).

Fields of papers citing papers by Alex X. Liu

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alex X. Liu. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Alex X. Liu. The network helps show where Alex X. Liu may publish in the future.

Co-authorship network of co-authors of Alex X. Liu

This figure shows the co-authorship network connecting the top 25 collaborators of Alex X. Liu. A scholar is included among the top collaborators of Alex X. Liu based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Alex X. Liu. Alex X. Liu is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Bloom Filter with Noisy Coding Framework for Multi-Set Membership Testing 2022 ·IEEE Transactions on Knowledge and Data Engineering ·Haipeng Dai, (unknown), Meng Li, Wei Wang, Alex X. Liu, (unknown), Lianyong Qi, Guihai Chen	54
2	Cure-GNN: A Robust Curvature-Enhanced Graph Neural Network Against Adversarial Attacks 2022 ·IEEE Transactions on Dependable and Secure Computing ·Yang Xiao, (unknown), Alex X. Liu, Lei Bai, Qingqi Pei, Lina Yao	8
3	Pairwise-Based Multi-Attribute Decision Making Approach for Wireless Network 2021 ·IEEE/ACM Transactions on Networking ·Ning Li, Zhaoxin Zhang, Alex X. Liu, Xin Yuan, (unknown)	5
4	Multilevel Graph Matching Networks for Deep Graph Similarity Learning 2021 ·IEEE Transactions on Neural Networks and Learning Systems ·Xiang Ling, Lingfei Wu, (unknown), Tengfei Ma, Fangli Xu, Alex X. Liu, Chunming Wu, Shouling Ji	46
5	Deep Graph Matching and Searching for Semantic Code Retrieval 2021 ·ACM Transactions on Knowledge Discovery from Data ·Xiang Ling, Lingfei Wu, (unknown), (unknown), Tengfei Ma, Fangli Xu, Alex X. Liu, Chunming Wu, Shouling Ji	54
6	WiTrace: Centimeter-Level Passive Gesture Tracking Using OFDM Signals 2019 ·IEEE Transactions on Mobile Computing ·Lei Wang, Ke Sun, Haipeng Dai, Wei Wang, (unknown), Alex X. Liu, Xiaoyu Wang, Qing Gu	25
7	Optimizing Geo-Distributed Data Analytics with Coordinated Task Scheduling and Routing 2019 ·IEEE Transactions on Parallel and Distributed Systems ·Laiping Zhao, (unknown), Ali Munir, Alex X. Liu, Yue Li, Wenyu Qu	23
8	Finding Persistent Items in Distributed Datasets 2019 ·IEEE/ACM Transactions on Networking ·Haipeng Dai, Meng Li, Alex X. Liu, Jiaqi Zheng, Guihai Chen	19
9	Predictable Privacy-Preserving Mobile Crowd Sensing: A Tale of Two Roles 2019 ·IEEE/ACM Transactions on Networking ·Chengwen Luo, Xiao Liu, Wanli Xue, Yiran Shen, Jianqiang Li, Wen Hu, Alex X. Liu	17
10	Semantic-Aware Searching Over Encrypted Data for Cloud Computing 2018 ·IEEE Transactions on Information Forensics and Security ·Zhangjie Fu, (unknown), Xingming Sun, Alex X. Liu, Guowu Xie	61
11	Dynamic Resource Allocation for Load Balancing in Fog Environment 2018 ·Wireless Communications and Mobile Computing ·Xiaolong Xu, Shucun Fu, (unknown), Wei Tian, Wenjie Liu, Wanchun Dou, Xingming Sun, Alex X. Liu	158
12	Secure Hashing-Based Verifiable Pattern Matching 2018 ·IEEE Transactions on Information Forensics and Security ·Fei Chen, (unknown), Rong-Hua Li, Jianyong Chen, Zhong Ming, Alex X. Liu, Huayi Duan, Cong Wang, Jing Qin	7
13	Counting Human Objects Using Backscattered Radio Frequency Signals 2018 ·IEEE Transactions on Mobile Computing ·Han Ding, Jinsong Han, Alex X. Liu, Wei Xi, Jizhong Zhao, Panlong Yang, Zhiping Jiang	21
14	Identifying and Estimating Persistent Items in Data Streams 2018 ·IEEE/ACM Transactions on Networking ·Haipeng Dai, Muhammad Shahzad, Alex X. Liu, Meng Li, (unknown), Guihai Chen	25
15	Writing in the Air with WiFi Signals for Virtual Reality Devices 2018 ·IEEE Transactions on Mobile Computing ·Zhangjie Fu, (unknown), Zhuangdi Zhu, Alex X. Liu, Xingming Sun	93
16	FPGA Resource Pooling in Cloud Computing 2018 ·IEEE Transactions on Cloud Computing ·Zhuangdi Zhu, Alex X. Liu, Fan Zhang, (unknown)	25
17	Adaptively Secure Conjunctive Query Processing over Encrypted Data for Cloud Computing 2017 ·Rui Li, Alex X. Liu	42
18	A sorted partitioning approach to high-speed and fast-update OpenFlow classification 2016 ·(unknown), (unknown), Alex X. Liu, Eric Torng	24
19	Modelling Human Clarification Strategies 2013 ·Annual Meeting of the Special Interest Group on Discourse and Dialogue ·Svetlana Stoyanchev, Alex X. Liu, Julia Hirschberg	10
20	Formal Specification and Verification of a Secure Micropayment Protocol 2008 ·International journal of network security ·Mohamed G. Gouda, Alex X. Liu	2

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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