29 citations · 91 across the 20 of their papers we have counts for
20 papers
An Empirical Study of AI-based Smart Contract Creation
Rabimba Karanjai, Edward Li, Lei Xu +1
The introduction of large language models (LLMs) like ChatGPT and Google Palm2 for smart contract generation seems to be the first well-established instance of an AI pair programme…
Decentralized Translator of Trust: Supporting Heterogeneous TEE for Critical Infrastructure Protection
Rabimba Karanjai, Rowan Collier, Zhimin Gao +5
Trusted execution environment (TEE) technology has found many applications in mitigating various security risks in an efficient manner, which is attractive for critical infrastruct…
Detecting Conspiracy Theory Against COVID-19 Vaccines
Md Hasibul Amin, Harika Madanu, Sahithi Lavu +3
Since the beginning of the vaccination trial, social media has been flooded with anti-vaccination comments and conspiracy beliefs. As the day passes, the number of COVID- 19 cases…
Audit and Improve Robustness of Private Neural Networks on Encrypted Data
Jiaqi Xue, Lei Xu, Lin Chen +3
Performing neural network inference on encrypted data without decryption is one popular method to enable privacy-preserving neural networks (PNet) as a service. Compared with regul…
RAF: Recursive Adversarial Attacks on Face Recognition Using Extremely Limited Queries
Keshav Kasichainula, Hadi Mansourifar, Weidong Shi
Recent successful adversarial attacks on face recognition show that, despite the remarkable progress of face recognition models, they are still far behind the human intelligence fo…
Local Differential Privacy Meets Computational Social Choice -- Resilience under Voter Deletion
Liangde Tao, Lin Chen, Lei Xu +1
The resilience of a voting system has been a central topic in computational social choice. Many voting rules, like plurality, are shown to be vulnerable as the attacker can target…
Counter Hate Speech in Social Media: A Survey
Dana Alsagheer, Hadi Mansourifar, Weidong Shi
With the high prevalence of offensive language against minorities in social media, counter-hate speeches (CHS) generation is considered an automatic way of tackling this challenge.…
Hate Speech Detection in Clubhouse
Hadi Mansourifar, Dana Alsagheer, Reza Fathi +3
With the rise of voice chat rooms, a gigantic resource of data can be exposed to the research community for natural language processing tasks. Moderators in voice chat rooms active…
Statistical Analysis of Perspective Scores on Hate Speech Detection
Hadi Mansourifar, Dana Alsagheer, Weidong Shi +2
Hate speech detection has become a hot topic in recent years due to the exponential growth of offensive language in social media. It has proven that, state-of-the-art hate speech c…
EDSC: An Event-Driven Smart Contract Platform
Mudabbir Kaleem, Keshav Kasichainula, Rabimba Karanjai +4
This paper presents EDSC, a novel smart contract platform design based on the event-driven execution model as opposed to the traditionally employed transaction-driven execution mod…
Demystifying Pythia: A Survey of ChainLink Oracles Usage on Ethereum
Mudabbir Kaleem, Weidong Shi
Smart contracts are dependent on oracle systems for their adoption and usability. We perform an empirical study of oracle systems' usage trends and adoption metrics to provide bett…
ProxylessKD: Direct Knowledge Distillation with Inherited Classifier for Face Recognition
Weidong Shi, Guanghui Ren, Yunpeng Chen +1
Knowledge Distillation (KD) refers to transferring knowledge from a large model to a smaller one, which is widely used to enhance model performance in machine learning. It tries to…
Towards Stable Imbalanced Data Classification via Virtual Big Data Projection
Hadi Mansourifar, Weidong Shi
Virtual Big Data (VBD) proved to be effective to alleviate mode collapse and vanishing generator gradient as two major problems of Generative Adversarial Neural Networks (GANs) ver…
Vulnerability of Face Recognition Systems Against Composite Face Reconstruction Attack
Hadi Mansourifar, Weidong Shi
Rounding confidence score is considered trivial but a simple and effective countermeasure to stop gradient descent based image reconstruction attacks. However, its capability in th…
Computational Complexity Characterization of Protecting Elections from Bribery
Lin Chen, Ahmed Sunny, Lei Xu +5
The bribery problem in election has received considerable attention in the literature, upon which various algorithmic and complexity results have been obtained. It is thus natural…
One-Shot GAN Generated Fake Face Detection
Hadi Mansourifar, Weidong Shi
Fake face detection is a significant challenge for intelligent systems as generative models become more powerful every single day. As the quality of fake faces increases, the train…
Deep Synthetic Minority Over-Sampling Technique
Hadi Mansourifar, Weidong Shi
Synthetic Minority Over-sampling Technique (SMOTE) is the most popular over-sampling method. However, its random nature makes the synthesized data and even imbalanced classificatio…
Hybrid Cryptocurrency Pump and Dump Detection
Hadi Mansourifar, Lin Chen, Weidong Shi
Increasingly growing Cryptocurrency markets have become a hive for scammers to run pump and dump schemes which is considered as an anomalous activity in exchange markets. Anomaly d…
Algebraic multigrid block preconditioning for multi-group radiation diffusion equations
Xiaoqiang Yue, Shulei Zhang, Xiaowen Xu +2
The paper focuses on developing and studying efficient block preconditioners based on classical algebraic multigrid for the large-scale sparse linear systems arising from the fully…
Nonlinear Blockchain Scalability: a Game-Theoretic Perspective
Lin Chen, Lei Xu, Zhimin Gao +3
Recent advances in the blockchain research have been made in two important directions. One is refined resilience analysis utilizing game theory to study the consequences of selfish…