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Fully Test-Time Adaptation (TTA), which aims at adapting models to data drifts, has recently attracted wide interest. Numerous tricks and techniques have been proposed to ensure robust learning on arbitrary streams of unlabeled data.…

机器学习 · 计算机科学 2023-11-13 Saypraseuth Mounsaveng , Florent Chiaroni , Malik Boudiaf , Marco Pedersoli , Ismail Ben Ayed

Agent-based modeling (ABM) is a well-established paradigm for simulating complex systems via interactions between constituent entities. Machine learning (ML) refers to approaches whereby statistical algorithms 'learn' from data on their…

定量方法 · 定量生物学 2022-11-10 Nikita Sivakumar , Cameron Mura , Shayn M. Peirce

The reproduction of realistic dynamics in financial markets is of great significance, as it enhances our understanding of market evolution beyond other physical processes, and facilitates the development and backtesting of investment…

多智能体系统 · 计算机科学 2025-10-14 Tianlang He , Fengming Zhu , Keyan Lu , Chang Xu , Yang Liu , Weiqing Liu , Fangzhen Lin , S. -H. Gary Chan , Jiang Bian

Agent Based Modelling (ABM) is a computational framework for simulating the behaviours and interactions of autonomous agents. As Agent Based Models are usually representative of complex systems, obtaining a likelihood function of the model…

人工智能 · 计算机科学 2021-07-09 D. Townsend

Time-series forecasting has seen significant advancements with the introduction of token prediction mechanisms such as multi-head attention. However, these methods often struggle to achieve the same performance as in language modeling,…

机器学习 · 计算机科学 2024-12-03 Panayiotis Christou , Shichu Chen , Xupeng Chen , Parijat Dube

Agent-Based Models (ABMs) are powerful tools for studying emergent properties in complex systems. In ABMs, agent behaviors are governed by local interactions and stochastic rules. However, these rules are, in general, non-differentiable,…

人工智能 · 计算机科学 2025-11-27 Francesco Cozzi , Marco Pangallo , Alan Perotti , André Panisson , Corrado Monti

Training AI models has always been challenging, especially when there is a need for custom models to provide personalized services. Algorithm engineers often face a lengthy process to iteratively develop models tailored to specific business…

人工智能 · 计算机科学 2023-11-27 Haoyuan Li , Hao Jiang , Tianke Zhang , Zhelun Yu , Aoxiong Yin , Hao Cheng , Siming Fu , Yuhao Zhang , Wanggui He

In recent years, many scholars praised the seemingly endless possibilities of using machine learning (ML) techniques in and for agent-based simulation models (ABM). To get a more comprehensive understanding of these possibilities, we…

Agent-Based Modelling (ABM) has emerged as an essential tool for simulating social networks, encompassing diverse phenomena such as information dissemination, influence dynamics, and community formation. However, manually configuring varied…

This paper proposes a novel batch normalization strategy for test-time adaptation. Recent test-time adaptation methods heavily rely on the modified batch normalization, i.e., transductive batch normalization (TBN), which calculates the mean…

计算机视觉与模式识别 · 计算机科学 2023-02-21 Hyesu Lim , Byeonggeun Kim , Jaegul Choo , Sungha Choi

Deep learning models have demonstrated exceptional performance across a wide range of computer vision tasks. However, their performance often degrades significantly when faced with distribution shifts, such as domain or dataset changes.…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Samuel Barbeau , Pedram Fekri , David Osowiechi , Ali Bahri , Moslem Yazdanpanah , Masih Aminbeidokhti , Christian Desrosiers

Probabilistic forecasting of time series is an important matter in many applications and research fields. In order to draw conclusions from a probabilistic forecast, we must ensure that the model class used to approximate the true…

机器学习 · 计算机科学 2022-07-12 David Rügamer , Philipp F. M. Baumann , Thomas Kneib , Torsten Hothorn

Deploying models on target domain data subject to distribution shift requires adaptation. Test-time training (TTT) emerges as a solution to this adaptation under a realistic scenario where access to full source domain data is not available…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Yongyi Su , Xun Xu , Kui Jia

Deploying models on target domain data subject to distribution shift requires adaptation. Test-time training (TTT) emerges as a solution to this adaptation under a realistic scenario where access to full source domain data is not available,…

机器学习 · 计算机科学 2023-03-21 Yongyi Su , Xun Xu , Tianrui Li , Kui Jia

Test-time adaptation (TTA) intends to adapt the pretrained model to test distributions with only unlabeled test data streams. Most of the previous TTA methods have achieved great success on simple test data streams such as independently…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Longhui Yuan , Binhui Xie , Shuang Li

Outcome-driven reinforcement learning has advanced reasoning in large language models (LLMs), but prevailing tool-augmented approaches train a single, monolithic policy that interleaves thoughts and tool calls under full context; this…

人工智能 · 计算机科学 2025-10-08 Zhuofeng Li , Haoxiang Zhang , Seungju Han , Sheng Liu , Jianwen Xie , Yu Zhang , Yejin Choi , James Zou , Pan Lu

This paper introduces a novel application of Test-Time Training (TTT) for Speech Enhancement, addressing the challenges posed by unpredictable noise conditions and domain shifts. This method combines a main speech enhancement task with a…

音频与语音处理 · 电气工程与系统科学 2025-10-21 Avishkar Behera , Riya Ann Easow , Venkatesh Parvathala , K. Sri Rama Murty

Real-world artificial intelligence (AI) systems are increasingly required to operate autonomously in dynamic, uncertain, and continuously changing environments. However, most existing AI models rely on predefined objectives, static training…

人工智能 · 计算机科学 2025-11-04 Hong Su

Agent-Based Models (ABMs) are used in several fields to study the evolution of complex systems from micro-level assumptions. However, ABMs typically can not estimate agent-specific (or "micro") variables: this is a major limitation which…

物理与社会 · 物理学 2022-11-24 Corrado Monti , Marco Pangallo , Gianmarco De Francisci Morales , Francesco Bonchi

A very timely issue for economic agent-based models (ABMs) is their empirical estimation. This paper describes a line of research that could resolve the issue by using machine learning techniques, using multi-layer artificial neural…

经济学 · 定量金融 2017-06-21 Sander van der Hoog