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The rapid advancement of Intelligent Transportation Systems (ITS) presents challenges, particularly with missing data in multi-modal transportation and the complexity of handling diverse sequential tasks within a centralized framework. To…

机器学习 · 计算机科学 2024-09-11 Zhiqi Shao , Haoning Xi , Haohui Lu , Ze Wang , Michael G. H. Bell , Junbin Gao

Diffusion Multi-modal Large Language Models (dMLLMs) have recently emerged as a novel architecture unifying image generation and understanding. However, developing effective and efficient Test-Time Scaling (TTS) methods to unlock their full…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Yi Xin , Siqi Luo , Tianxiang Xu , Qi Qin , Haoxing Chen , Kaiwen Zhu , Zhiwei Zhang , Yangfan He , Rongchao Zhang , Jinbin Bai , Shuo Cao , Bin Fu , Junjun He , Yihao Liu , Yuewen Cao , Xiaohong Liu

This paper introduces a unified framework for adaptive portfolio management, integrating dynamic Black-Litterman (BL) optimization with the general factor model, Elastic Net regression, and mean-variance portfolio optimization, which allows…

投资组合管理 · 定量金融 2024-05-02 Chi-Lin Li , Chung-Han Hsieh

We consider the problem of auditing black-box large language models (LLMs) to ensure they behave reliably when deployed in production settings, particularly in high-stakes domains such as legal, medical, and regulatory compliance. Existing…

计算与语言 · 计算机科学 2025-12-15 Paulius Rauba , Qiyao Wei , Mihaela van der Schaar

Time series analysis is critical for emerging net- work intelligent control and management functions. However, existing statistical-based and shallow machine learning models have shown limited prediction capabilities on multivariate time…

机器学习 · 计算机科学 2026-03-13 Yufeng Xin , Ethan Fan

Time series analysis has gained significant attention due to its critical applications in diverse fields such as healthcare, finance, and sensor networks. The complexity and non-stationarity of time series make it challenging to capture the…

机器学习 · 计算机科学 2024-10-31 Guancen Lin , Cong Shen , Aijing Lin

The growing demand for real-time, safety-critical systems has significantly increased both the adoption and complexity of Time Sensitive Networking (TSN). Configuring an optimized TSN network is highly challenging, requiring careful…

网络与互联网体系结构 · 计算机科学 2025-10-02 Rubi Debnath , Luxi Zhao , Mohammadreza Barzegaran , Sebastian Steinhorst

Time series analysis remains a major challenge due to its sparse characteristics, high dimensionality, and inconsistent data quality. Recent advancements in transformer-based techniques have enhanced capabilities in forecasting and…

机器学习 · 计算机科学 2024-05-29 Robert Leppich , Vanessa Borst , Veronika Lesch , Samuel Kounev

This paper presents a portfolio construction process, including mainly two parts, Factors Selection and Weight Allocations. For the factors selection part, We have chosen 20 factors by considering three aspects, the global market, different…

投资组合管理 · 定量金融 2023-11-09 Fanyu Zhao

In the emerging landscape of edge computing, the stochastic and bursty nature of serverless workloads presents a critical challenge for autonomous resource orchestration. Traditional reactive controllers, such as the Kubernetes Horizontal…

分布式、并行与集群计算 · 计算机科学 2026-04-01 Faraz Shaikh , Gianluca Reali , Mauro Femminella

Time series forecasting plays a significant role in finance, energy, meteorology, and IoT applications. Recent studies have leveraged the generalization capabilities of large language models (LLMs) to adapt to time series forecasting,…

机器学习 · 计算机科学 2026-05-12 Hao Liu , Xiaoxing Zhang , Chun Yang , Xiaobin Zhu

Time series modeling holds significant importance in many real-world applications and has been extensively studied. While pre-trained foundation models have made impressive strides in the fields of natural language processing (NLP) and…

计算与语言 · 计算机科学 2025-02-20 Juyuan Zhang , Wei Zhu , Jiechao Gao

Real-world time-series datasets are often multivariate with complex dynamics. To capture this complexity, high capacity architectures like recurrent- or attention-based sequential deep learning models have become popular. However, recent…

机器学习 · 计算机科学 2023-09-12 Si-An Chen , Chun-Liang Li , Nate Yoder , Sercan O. Arik , Tomas Pfister

The recent surge in Deep Learning (DL) research of the past decade has successfully provided solutions to many difficult problems. The field of quantitative analysis has been slowly adapting the new methods to its problems, but due to…

Time series and sequential data have gained significant attention recently since many real-world processes in various domains such as finance, education, biology, and engineering can be modeled as time series. Although many algorithms and…

机器学习 · 计算机科学 2020-08-11 Manie Tadayon , Greg Pottie

Deep learning is playing an increasingly important role in time series analysis. We focused on time series forecasting using attention free mechanism, a more efficient framework, and proposed a new architecture for time series prediction…

机器学习 · 计算机科学 2022-09-21 Hugo Inzirillo , Ludovic De Villelongue

Large language models (LLMs) have demonstrated their effectiveness in multivariate time series classification (MTSC). Effective adaptation of LLMs for MTSC necessitates informative data representations. Existing LLM-based methods directly…

人工智能 · 计算机科学 2025-10-29 Jiahao Wang , Mingyue Cheng , Qingyang Mao , Yitong Zhou , Daoyu Wang , Qi Liu , Feiyang Xu , Xin Li

Time series reasoning is crucial to decision-making in diverse domains, including finance, energy usage, traffic, weather, and scientific discovery. While existing time series foundation models (TSFMs) can capture low-level dynamic patterns…

计算与语言 · 计算机科学 2025-10-07 Fangxu Yu , Hongyu Zhao , Tianyi Zhou

Multimodal Large Language Models (MLLMs) have shown strong performance in video understanding tasks. However, they continue to struggle with long-form videos because of an inefficient perception of temporal intervals. Unlike humans, who can…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Chenglin Li , Qianglong Chen , fengtao , Yin Zhang

Traditional Learning-To-Rank (LETOR) approaches, including pairwise methods like RankNet and LambdaMART, often fall short by solely focusing on pairwise comparisons, leading to sub-optimal global rankings. Conversely, deep learning based…

人工智能 · 计算机科学 2025-03-25 Weixian Waylon Li , Yftah Ziser , Yifei Xie , Shay B. Cohen , Tiejun Ma