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Using a dynamical model to make predictions about a system has many sources of error. These can include errors in how the model was initialised but also errors in the dynamics of the model itself. For many applications in data assimilation,…

数值分析 · 数学 2025-07-07 P. A. Browne

Agent-based models (ABMs) have long been employed to explore how individual behaviors aggregate into complex societal phenomena in urban space. Unlike black-box predictive models, ABMs excel at explaining the micro-macro linkages that drive…

多智能体系统 · 计算机科学 2024-10-30 Yuwei Yan , Qingbin Zeng , Zhiheng Zheng , Jingzhe Yuan , Jie Feng , Jun Zhang , Fengli Xu , Yong Li

Likelihood-free inference (LFI) has been successfully applied to state-space models, where the likelihood of observations is not available but synthetic observations generated by a black-box simulator can be used for inference instead.…

机器学习 · 计算机科学 2023-02-21 Alexander Aushev , Thong Tran , Henri Pesonen , Andrew Howes , Samuel Kaski

Accurately forecasting central bank policy decisions, particularly those of the Federal Open Market Committee(FOMC) has become increasingly important amid heightened economic uncertainty. While prior studies have used monetary policy texts…

计算金融 · 定量金融 2025-11-05 Kaito Takano , Masanori Hirano , Kei Nakagawa

This study presents an innovative approach to urban mobility simulation by integrating a Large Language Model (LLM) with Agent-Based Modeling (ABM). Unlike traditional rule-based ABM, the proposed framework leverages LLM to enhance agent…

多智能体系统 · 计算机科学 2025-07-04 Yu-Lun Song , Chung-En Tsern , Che-Cheng Wu , Yu-Ming Chang , Syuan-Bo Huang , Wei-Chu Chen , Michael Chia-Liang Lin , Yu-Ta Lin

Large Language Models (LLMs) are often evaluated against ideals of perfect Bayesian inference, yet growing evidence suggests that their in-context reasoning exhibits systematic forgetting of past information. Rather than viewing this…

计算与语言 · 计算机科学 2026-04-08 Alexandros Christoforos

Recent advances in large language models (LLMs) have propelled research in natural language interfaces to databases. However, most state-of-the-art text-to-SQL systems still depend on complex, multi-stage pipelines. This work proposes a…

人工智能 · 计算机科学 2025-06-03 Fernando Granado , Roberto Lotufo , Jayr Pereira

Latent state space models are a fundamental and widely used tool for modeling dynamical systems. However, they are difficult to learn from data and learned models often lack performance guarantees on inference tasks such as filtering and…

机器学习 · 计算机科学 2016-05-31 Wen Sun , Arun Venkatraman , Byron Boots , J. Andrew Bagnell

Training models for Aspect-Based Sentiment Analysis (ABSA) tasks requires manually annotated data, which is expensive and time-consuming to obtain. This paper introduces LA-ABSA, a novel approach that leverages Large Language Model…

计算与语言 · 计算机科学 2026-03-03 Nils Constantin Hellwig , Jakob Fehle , Udo Kruschwitz , Christian Wolff

Innovation diffusion has been studied extensively in a variety of disciplines, including sociology, economics, marketing, ecology, and computer science. Traditional literature on innovation diffusion has been dominated by models of…

社会与信息网络 · 计算机科学 2017-05-26 Haifeng Zhang , Yevgeniy Vorobeychik

The improvement of economic policymaking presents an opportunity for broad societal benefit, a notion that has inspired research towards AI-driven policymaking tools. AI policymaking holds the potential to surpass human performance through…

人工智能 · 计算机科学 2024-10-14 Henry Gasztowtt , Benjamin Smith , Vincent Zhu , Qinxun Bai , Edwin Zhang

``Online" data assimilation (DA) is used to generate a new seasonal-resolution reanalysis dataset over the last millennium by combining forecasts from an ocean--atmosphere--sea-ice coupled linear inverse model with climate proxy records.…

大气与海洋物理 · 物理学 2025-01-27 Zilu Meng , Gregory J. Hakim , Eric J. Steig

When the likelihood is analytically unavailable and computationally intractable, approximate Bayesian computation (ABC) has emerged as a widely used methodology for approximate posterior inference; however, it suffers from severe…

统计方法学 · 统计学 2025-05-08 Wenhui Sophia Lu , Wing Hung Wong

This paper introduces distribution-based prediction, a novel approach to using Large Language Models (LLMs) as predictive tools by interpreting output token probabilities as distributions representing the models' learned representation of…

人工智能 · 计算机科学 2024-11-07 Caleb Bradshaw , Caelen Miller , Sean Warnick

This study investigates the spatial integration of agent-based models (ABMs) and compartmental models for infectious disease modeling, presenting a novel hybrid approach and examining its implications. ABMs offer detailed insights by…

种群与进化 · 定量生物学 2025-02-06 Inan Bostanci , Tim Conrad

Latent space models have been widely adopted in modeling network data. Developing statistical inference for estimated model parameters enables quantifying associated uncertainty and is pivotal for downstream tasks. Despite recent progress…

统计理论 · 数学 2026-05-12 Yuang Tian , Jiajin Sun , Yinqiu He

While advances in fairness and alignment have helped mitigate overt biases exhibited by large language models (LLMs) when explicitly prompted, we hypothesize that these models may still exhibit implicit biases when simulating human…

计算与语言 · 计算机科学 2025-01-30 Yuxuan Li , Hirokazu Shirado , Sauvik Das

Effort estimation is a crucial activity in agile software development, where teams collaboratively review, discuss, and estimate the effort required to complete user stories in a product backlog. Current practices in agile effort estimation…

软件工程 · 计算机科学 2025-09-19 Thanh-Long Bui , Hoa Khanh Dam , Rashina Hoda

Large Language Models (LLMs) demonstrate strong few-shot generalization through in-context learning, yet their reasoning in dynamic and stochastic environments remains opaque. Prior studies mainly focus on static tasks and overlook the…

人工智能 · 计算机科学 2025-12-23 Jensen Zhang , Jing Yang , Keze Wang

The accuracy of simulation-based forecasting in chaotic systems is heavily dependent on high-quality estimates of the system state at the time the forecast is initialized. Data assimilation methods are used to infer these initial conditions…

机器学习 · 计算机科学 2021-11-02 Michael McCabe , Jed Brown
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