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Spoken term detection (STD) is often hindered by reliance on frame-level features and the computationally intensive DTW-based template matching, limiting its practicality. To address these challenges, we propose a novel approach that…

音频与语音处理 · 电气工程与系统科学 2024-12-24 Anup Singh , Kris Demuynck , Vipul Arora

The sequential recommendation task aims to predict the item that user is interested in according to his/her historical action sequence. However, inevitable random action, i.e. user randomly accesses an item among multiple candidates or…

信息检索 · 计算机科学 2024-04-09 Sirui Wang , Peiguang Li , Yunsen Xian , Hongzhi Zhang

Internet communication systems involving cryptography and data hiding often require billions of random numbers. In addition to the speed of the algorithm, the quality of the pseudo-random number generator and the ease of its implementation…

密码学与安全 · 计算机科学 2017-06-28 Jacques M. Bahi , Xiaole Fang , Christophe Guyeux

The problem of peer selection, which randomly selects a peer from a set, is commonplace in Proof-of-Stake (PoS) protocols. In PoS, peers are chosen randomly with probability proportional to the amount of stake that they possess. This paper…

分布式、并行与集群计算 · 计算机科学 2019-11-13 Quan Nguyen , Andre Cronje , Michael Kong

In multicenter research, individual-level data are often protected against sharing across sites. To overcome the barrier of data sharing, many distributed algorithms, which only require sharing aggregated information, have been developed.…

统计方法学 · 统计学 2021-03-25 Rui Duan , Yang Ning , Yong Chen

Determining whether a candidate crystalline material is thermodynamically stable depends on identifying its true ground-state structure, a central challenge in computational materials science. We introduce CrystalGRW, a diffusion-based…

A challenging problem in decentralized optimization is to develop algorithms with fast convergence on random and time varying topologies under unreliable and bandwidth-constrained communication network. This paper studies a stochastic…

最优化与控制 · 数学 2025-05-29 Chung-Yiu Yau , Haoming Liu , Hoi-To Wai

Test-time reinforcement learning (TTRL) always adapts models at inference time via pseudo-labeling, leaving it vulnerable to spurious optimization signals from label noise. Through an empirical study, we observe that responses with medium…

机器学习 · 计算机科学 2026-04-24 Yongcan Yu , Lingxiao He , Jian Liang , Kuangpu Guo , Meng Wang , Qianlong Xie , Xingxing Wang , Ran He

The capacity and security of the confidential message on the channel are two important challenges in steganography. In this paper, a new block steganography model is presented using the bargain method so that a competitive model is…

With the recent development of deep learning on steganalysis, embedding secret information into digital images faces great challenges. In this paper, a secure steganography algorithm by using adversarial training is proposed. The…

多媒体 · 计算机科学 2018-04-24 Jianhua Yang , Kai Liu , Xiangui Kang , Edward K. Wong , Yun-Qing Shi

We present a data-driven approach for distributionally robust chance constrained optimization problems (DRCCPs). We consider the case where the decision maker has access to a finite number of samples or realizations of the uncertainty. The…

最优化与控制 · 数学 2018-10-11 Ashish R. Hota , Ashish Cherukuri , John Lygeros

Today's massively-sized datasets have made it necessary to often perform computations on them in a distributed manner. In principle, a computational task is divided into subtasks which are distributed over a cluster operated by a…

信息论 · 计算机科学 2017-06-20 Wael Halbawi , Navid Azizan-Ruhi , Fariborz Salehi , Babak Hassibi

This paper develops a communication-efficient algorithm to solve the stochastic optimization problem defined over a distributed network, aiming at reducing the burdensome communication in applications such as distributed machine…

机器学习 · 统计学 2020-01-06 Weiyu Li , Tianyi Chen , Liping Li , Zhaoxian Wu , Qing Ling

The Chance-Constrained Parallel Machine Scheduling Problem (CC-PMSP) assigns jobs with uncertain processing times to machines, ensuring that each machine's availability constraints are met with a certain probability. We present a…

最优化与控制 · 数学 2025-04-30 Nicolás Casassus , Margarita Castro , Gustavo Angulo

Column selection is an essential tool for structure-preserving low-rank approximation, with wide-ranging applications across many fields, such as data science, machine learning, and theoretical chemistry. In this work, we develop unified…

数值分析 · 数学 2024-08-09 Mark Fornace , Michael Lindsey

Steganography and Cryptography are two popular ways of sending vital information in a secret way. One hides the existence of the message and the other distorts the message itself. There are many cryptography techniques available; among them…

密码学与安全 · 计算机科学 2010-09-16 Dipti Kapoor Sarmah , Neha Bajpai

Resource allocation in integrated sensing and communication (ISAC) systems needs to be optimized to balance the requirements of the communication and sensing modules considering complicated cross-layer data traffic and queue status in…

信号处理 · 电气工程与系统科学 2026-04-28 Xiyu Wang , Gilberto Berardinelli , Hei Victor Cheng , Petar Popovski , Ramoni Adeogun

Dynamic graph augmentation is used to improve the performance of dynamic GNNs. Most methods assume temporal locality, meaning that recent edges are more influential than earlier edges. However, for temporal changes in edges caused by random…

机器学习 · 计算机科学 2025-01-20 Xu Chu , Hanlin Xue , Bingce Wang , Xiaoyang Liu , Weiping Li , Tong Mo , Tuoyu Feng , Zhijie Tan

The dynamic multi-mode resource-constrained project scheduling problem (DMRCPSP) is of practical importance, as it requires making real-time decisions under changing project states and resource availability. Genetic Programming (GP) has…

神经与进化计算 · 计算机科学 2026-03-18 Yuan Tian , Yi Mei , Mengjie Zhang

We propose a method to improve steganography by increasing the resilience of stego-media to discovery through steganalysis. Our approach enhances a class of steganographic approaches through the inclusion of a steganographic assistant…

密码学与安全 · 计算机科学 2023-04-26 Andrew Havard , Theodore Manikas , Eric C. Larson , Mitchell A. Thornton
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