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Insider threat detection presents unique challenges due to the authorized status of malicious actors and the subtlety of anomalous behaviors. Existing machine learning methods often treat user activity as isolated events, thereby failing to…

Machine Learning · Computer Science 2025-07-11 Mohamed Elbasheer , Adewale Akinfaderin

Stochastic Gradient Descent (SGD) is a workhorse in machine learning, yet its slow convergence can be a computational bottleneck. Variance reduction techniques such as SAG, SVRG and SAGA have been proposed to overcome this weakness,…

Machine Learning · Computer Science 2016-02-29 Thomas Hofmann , Aurelien Lucchi , Simon Lacoste-Julien , Brian McWilliams

We propose a new architecture and training methodology for generative adversarial networks. Current approaches attempt to learn the transformation from a noise sample to a generated data sample in one shot. Our proposed generator…

Machine Learning · Computer Science 2018-11-26 Safwan Hossain , Kiarash Jamali , Yuchen Li , Frank Rudzicz

The proliferation of AI technology gives rise to a variety of security threats, which significantly compromise the confidentiality and integrity of AI models and applications. Existing software-based solutions mainly target one specific…

Cryptography and Security · Computer Science 2023-11-29 Xiaobei Yan , Han Qiu , Tianwei Zhang

RNA plays a pivotal role in diverse biological processes, ranging from gene regulation to catalysis. Recent advances in RNA design, such as RfamGen, Ribodiffusion and RDesign, have demonstrated promising results, with successful designs of…

Biomolecules · Quantitative Biology 2025-03-11 Letian Gao , Zhi John Lu

Question Generation (QG) is an essential component of the automatic intelligent tutoring systems, which aims to generate high-quality questions for facilitating the reading practice and assessments. However, existing QG technologies…

Computation and Language · Computer Science 2020-12-14 Xin Jia , Wenjie Zhou , Xu Sun , Yunfang Wu

The problem of code generation from textual program descriptions has long been viewed as a grand challenge in software engineering. In recent years, many deep learning based approaches have been proposed, which can generate a sequence of…

Software Engineering · Computer Science 2021-04-23 Chen Lyu , Ruyun Wang , Hongyu Zhang , Hanwen Zhang , Songlin Hu

Resistive random-access memory (RRAM) is gaining popularity due to its ability to offer computing within the memory and its non-volatile nature. The unique properties of RRAM, such as binary switching, multi-state switching, and device…

Emerging Technologies · Computer Science 2024-07-08 Simranjeet Singh , Farhad Merchant , Sachin Patkar

Modern Neural Machine Translation systems exhibit strong performance in several different languages and are constantly improving. Their ability to learn continuously is, however, still severely limited by the catastrophic forgetting issue.…

Computation and Language · Computer Science 2024-03-21 Michele Resta , Davide Bacciu

Unit testing validates the correctness of the units of the software system under test and serves as the cornerstone in improving software quality and reliability. To reduce manual efforts in writing unit tests, some techniques have been…

Software Engineering · Computer Science 2025-02-25 Quanjun Zhang , Chunrong Fang , Yi Zheng , Yaxin Zhang , Yuan Zhao , Rubing Huang , Jianyi Zhou , Yun Yang , Tao Zheng , Zhenyu Chen

Neural networks powered with external memory simulate computer behaviors. These models, which use the memory to store data for a neural controller, can learn algorithms and other complex tasks. In this paper, we introduce a new memory to…

Neural and Evolutionary Computing · Computer Science 2019-12-30 Hung Le , Truyen Tran , Svetha Venkatesh

Sequential learning of tasks using gradient descent leads to an unremitting decline in the accuracy of tasks for which training data is no longer available, termed catastrophic forgetting. Generative models have been explored as a means to…

Machine Learning · Computer Science 2020-09-30 Amanda Rios , Laurent Itti

Scene graph (SG) representations can neatly and efficiently describe scene semantics, which has driven sustained intensive research in SG generation. In the real world, multiple modalities often coexist, with different types, such as…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Shengqiong Wu , Hao Fei , Tat-Seng Chua

Recent advances in sequence-to-sequence learning reveal a purely data-driven approach to the response generation task. Despite its diverse applications, existing neural models are prone to producing short and generic replies, making it…

Computation and Language · Computer Science 2019-12-12 Bowen Wu , Nan Jiang , Zhifeng Gao , Mengyuan Li , Zongsheng Wang , Suke Li , Qihang Feng , Wenge Rong , Baoxun Wang

Long short-term memory (LSTM) based acoustic modeling methods have recently been shown to give state-of-the-art performance on some speech recognition tasks. To achieve a further performance improvement, in this research, deep extensions on…

Computation and Language · Computer Science 2015-05-12 Xiangang Li , Xihong Wu

Generators of arithmetic circuits can automatically deliver various implementations of arithmetic circuits that show different tradeoffs between the key circuit parameters (delay, area, power consumption). However, existing…

Hardware Architecture · Computer Science 2022-08-29 Jan Klhufek , Vojtech Mrazek

Automatic Speech Recognition services (ASRs) inherit deep neural networks' vulnerabilities like crafted adversarial examples. Existing methods often suffer from low efficiency because the target phases are added to the entire audio sample,…

Sound · Computer Science 2022-02-14 Yuantian Miao , Chao Chen , Lei Pan , Jun Zhang , Yang Xiang

Amidst the surge in deep learning-based password guessing models, challenges of generating high-quality passwords and reducing duplicate passwords persist. To address these challenges, we present PagPassGPT, a password guessing model…

Cryptography and Security · Computer Science 2024-06-19 Xingyu Su , Xiaojie Zhu , Yang Li , Yong Li , Chi Chen , Paulo Esteves-Veríssimo

Sequence alignment is a memory bound computation whose performance in modern systems is limited by the memory bandwidth bottleneck. Processing-in-memory architectures alleviate this bottleneck by providing the memory with computing…

Hardware Architecture · Computer Science 2023-03-28 Safaa Diab , Amir Nassereldine , Mohammed Alser , Juan Gómez-Luna , Onur Mutlu , Izzat El Hajj

We propose a Perceiver-based sequence classifier to detect abnormalities in speech reflective of several neurological disorders. We combine this classifier with a Universal Speech Model (USM) that is trained (unsupervised) on 12 million…

Audio and Speech Processing · Electrical Eng. & Systems 2023-10-23 Hagen Soltau , Izhak Shafran , Alex Ottenwess , Joseph R. JR Duffy , Rene L. Utianski , Leland R. Barnard , John L. Stricker , Daniela Wiepert , David T. Jones , Hugo Botha