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Alpha factor mining aims to discover investment signals from the historical financial market data, which can be used to predict asset returns and gain excess profits. Powerful deep learning methods for alpha factor mining lack…

Computational Finance · Quantitative Finance 2025-06-18 Junjie Zhao , Chengxi Zhang , Min Qin , Peng Yang

The increasing prevalence and utility of large, public databases necessitates the development of appropriate methods for controlling false discovery. Motivated by this challenge, we discuss the generic problem of testing a possibly infinite…

Methodology · Statistics 2013-07-03 Ehud Aharoni , Saharon Rosset

Evaluating the performance of an ongoing policy plays a vital role in many areas such as medicine and economics, to provide crucial instructions on the early-stop of the online experiment and timely feedback from the environment. Policy…

Machine Learning · Statistics 2024-08-05 Ye Shen , Hengrui Cai , Rui Song

Fast and safe voltage regulation algorithms can serve as fundamental schemes for achieving a high level of renewable penetration in the modern distribution power grids. Faced with uncertain or even unknown distribution grid models and…

Systems and Control · Electrical Eng. & Systems 2021-12-01 Yize Chen , Yuanyuan Shi , Daniel Arnold , Sean Peisert

The retrieval augmented generation (RAG) framework addresses an ambiguity in user queries in QA systems by retrieving passages that cover all plausible interpretations and generating comprehensive responses based on the passages. However,…

Computation and Language · Computer Science 2025-02-10 Yeonjun In , Sungchul Kim , Ryan A. Rossi , Md Mehrab Tanjim , Tong Yu , Ritwik Sinha , Chanyoung Park

Systolic array has emerged as a prominent architecture for Deep Neural Network (DNN) hardware accelerators, providing high-throughput and low-latency performance essential for deploying DNNs across diverse applications. However, when used…

Artificial Intelligence · Computer Science 2024-03-06 Mahdi Taheri , Masoud Daneshtalab , Jaan Raik , Maksim Jenihhin , Salvatore Pappalardo , Paul Jimenez , Bastien Deveautour , Alberto Bosio

With current advancement in hybermedia knowledges, the privacy of digital information has developed a critical problem. To overawed the susceptibilities of present security protocols, scholars tend to focus mainly on efforts on alternation…

Cryptography and Security · Computer Science 2025-07-01 Zaydon L. Ali , Wassan Saad Abduljabbar Hayale , Israa Ibraheem Al_Barazanchi , Ravi Sekhar , Pritesh Shah , Sushma Parihar

Data in modern economic and financial applications often arrive as a stream, requiring models and inference to be updated in real time -- yet most semiparametric methods remain batch-based and computationally impractical in large-scale…

Econometrics · Economics 2026-03-10 Xiaohong Chen , Elie Tamer , Qingsong Yao

Value-at-risk (VaR) has been playing the role of a standard risk measure since its introduction. In practice, the delta-normal approach is usually adopted to approximate the VaR of portfolios with option positions. Its effectiveness,…

Methodology · Statistics 2019-04-22 Junyao Chen , Tony Sit , Hoi Ying Wong

We propose a new ensemble prediction method, Random Subset Averaging (RSA), tailored for settings with many covariates, particularly in the presence of strong correlations. RSA constructs candidate models via binomial random subset strategy…

Methodology · Statistics 2025-12-30 Wenhao Cui , Jie Hu

Recent advancements in state-of-the-art (SOTA) offline reinforcement learning (RL) have primarily focused on addressing function approximation errors, which contribute to the overestimation of Q-values for out-of-distribution actions, a…

Machine Learning · Computer Science 2025-05-01 Pulkit Agrawal , Rukma Talwadker , Aditya Pareek , Tridib Mukherjee

Reinforcement learning (RL) is rapidly reaching and surpassing human-level control capabilities. However, state-of-the-art RL algorithms often require timesteps and reaction times significantly faster than human capabilities, which is…

Machine Learning · Computer Science 2025-07-29 Devdhar Patel , Hava Siegelmann

Speculative decoding and dynamic sparse attention are two complementary approaches for accelerating long-context LLM inference: the former amortizes target-model execution across multiple verifier queries, while the latter reduces each…

Operating Systems · Computer Science 2026-05-21 Zhibin Wang , Ziyu Zhong , Nuo Shen , Yuhang Zhou , Rong Gu , Sheng Zhong

It is increasingly suggested to identify Software Vulnerabilities (SVs) in code commits to give early warnings about potential security risks. However, there is a lack of effort to assess vulnerability-contributing commits right after they…

Software Engineering · Computer Science 2021-08-19 Triet H. M. Le , David Hin , Roland Croft , M. Ali Babar

We introduce AlphaRank, an artificial intelligence approach to address the fixed-budget ranking and selection (R&S) problems. We formulate the sequential sampling decision as a Markov decision process and propose a Monte Carlo…

Machine Learning · Computer Science 2024-02-05 Ruihan Zhou , L. Jeff Hong , Yijie Peng

Vision-Language-Action (VLA) models have shown remarkable progress in embodied tasks recently, but most methods process visual observations independently at each timestep. This history-agnostic design treats robot manipulation as a Markov…

Machine Learning · Computer Science 2026-04-13 Lei Xiao , Jifeng Li , Juntao Gao , Feiyang Ye , Yan Jin , Jingjing Qian , Jing Zhang , Yong Wu , Xiaoyuan Yu

The growing complexity of Edge Video Analytics (EVA) facilitates new kind of intelligent applications, but creates challenges in real-time inference serving systems. State-of-the-art (SOTA) scheduling systems optimize global workload…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-25 Lucas Liebe , Thanh-Tung Nguyen , Dongman Lee

Multiple hypothesis testing, a situation when we wish to consider many hypotheses, is a core problem in statistical inference that arises in almost every scientific field. In this setting, controlling the false discovery rate (FDR), which…

Statistics Theory · Mathematics 2019-03-19 Shiyun Chen , Shiva Kasiviswanathan

Diffusion-based vision-language-action models (dVLAs) are promising for embodied intelligence but are fundamentally limited in real-time deployment by the high latency of full inference. We propose Realtime-VLA FLASH, a speculative…

Robotics · Computer Science 2026-05-14 Jiahui Niu , Kefan Gu , Yucheng Zhao , Shengwen Liang , Tiancai Wang , Xing Hu , Ying Wang , Huawei Li

The increasing use of Retrieval-Augmented Generation (RAG) systems in various applications necessitates stringent protocols to ensure RAG systems accuracy, safety, and alignment with user intentions. In this paper, we introduce VERA…

Information Retrieval · Computer Science 2024-09-09 Tianyu Ding , Adi Banerjee , Laurent Mombaerts , Yunhong Li , Tarik Borogovac , Juan Pablo De la Cruz Weinstein