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This two-part paper presents a new approach to predictive analysis for social processes. In Part I, we begin by identifying a class of social processes which are simultaneously important in applications and difficult to predict using…

适应与自组织系统 · 物理学 2016-11-17 Richard Colbaugh , Kristin Glass

This paper analyses social media data in multiple disaster-related collections of floods and heat waves in the UK. The proposed method uses machine learning classifiers based on deep bidirectional neural networks trained on benchmark…

社会与信息网络 · 计算机科学 2022-03-17 Victor Ponce-López , Catalina Spataru

Generative AI has achieved remarkable empirical success, but from the perspective of statistics it often remains opaque: its predictions may be accurate, yet the underlying mechanism is difficult to interpret, analyze, and trust. This book…

机器学习 · 统计学 2026-03-11 Shinto Eguchi

Distributed consensus has been widely studied for sensor network applications. Whereas the asymptotic convergence rate has been extensively explored in prior work, other important and practical issues, including energy efficiency and link…

网络与互联网体系结构 · 计算机科学 2013-04-10 Lei Chen , Jeff Frolik

We propose a joint event and temporal relation extraction model with shared representation learning and structured prediction. The proposed method has two advantages over existing work. First, it improves event representation by allowing…

计算与语言 · 计算机科学 2020-09-17 Rujun Han , Qiang Ning , Nanyun Peng

In meteorology, engineering and computer sciences, data assimilation is routinely employed as the optimal way to combine noisy observations with prior model information for obtaining better estimates of a state, and thus better forecasts,…

地球物理 · 物理学 2009-08-12 M. J. Werner , K. Ide , D. Sornette

Flood quantile estimation is of great importance for many engineering studies and policy decisions. However, practitioners must often deal with small data available. Thus, the information must be used optimally. In the last decades, to…

应用统计 · 统计学 2009-11-13 Mathieu Ribatet , Taha B. M. J. Ouarda , Eric Sauquet , Jean-Michel Grésillon

In order to allow machine learning algorithms to extract knowledge from raw data, these data must first be cleaned, transformed, and put into machine-appropriate form. These often very time-consuming phase is referred to as preprocessing.…

机器学习 · 计算机科学 2021-11-19 David Cemernek

Query expansion is the process of reformulating the original query by adding relevant words. Choosing which terms to add in order to improve the performance of the query expansion methods or to enhance the quality of the retrieved results…

信息检索 · 计算机科学 2022-01-19 Farah Alshanik , Amy Apon , Yuheng Du , Alexander Herzog , Ilya Safro

Predictions and generations from large language models are increasingly being explored as an aid in limited data regimes, such as in computational social science and human subjects research. While prior technical work has mainly explored…

机器学习 · 计算机科学 2025-10-09 Yewon Byun , Shantanu Gupta , Zachary C. Lipton , Rachel Leah Childers , Bryan Wilder

Social media can be used for disaster risk reduction as a complement to traditional information sources, and the literature has suggested numerous ways to achieve this. In the case of floods, for instance, data collection from social media…

社会与信息网络 · 计算机科学 2020-12-11 Valerio Lorini , Carlos Castillo , Domenico Nappo , Francesco Dottori , Peter Salamon

Uncertainty estimation for machine learning models is of high importance in many scenarios such as constructing the confidence intervals for model predictions and detection of out-of-distribution or adversarially generated points. In this…

机器学习 · 计算机科学 2022-05-06 Kirill Fedyanin , Evgenii Tsymbalov , Maxim Panov

Reliable detection and classification of power system events are critical for maintaining grid stability and situational awareness. Existing approaches often depend on limited labeled datasets, which restricts their ability to generalize to…

信号处理 · 电气工程与系统科学 2026-05-22 Yi Hu , Zheyuan Cheng

The source detection problem in network analysis involves identifying the origins of diffusion processes, such as disease outbreaks or misinformation propagation. Traditional methods often focus on single sources, whereas real-world…

社会与信息网络 · 计算机科学 2025-07-14 Haomin Li , Daniel K. Sewell

Multimedia content in social media platforms provides significant information during disaster events. The types of information shared include reports of injured or deceased people, infrastructure damage, and missing or found people, among…

计算机视觉与模式识别 · 计算机科学 2020-04-27 Ferda Ofli , Firoj Alam , Muhammad Imran

Geophysical inverse problems are often ill-posed and admit multiple solutions. Conventional discriminative methods typically yield a single deterministic solution, which fails to model the posterior distribution, cannot generate diverse…

地球物理 · 物理学 2025-06-17 Chuangji Meng , Jinghuai Gao , Wenting Shang , Yajun Tian , Hongling Chen , Tieqiang Zhang , Zongben Xu

This paper aims to address the challenge of data generation beyond the training data and proposes a framework for Structural Extrapolated Data GEneration (SEDGE) based on suitable assumptions on the underlying data-generating process. We…

机器学习 · 计算机科学 2026-05-15 Kun Zhang , Jiaqi Sun , Yiqing Li , Ignavier Ng , Namrata Deka , Shaoan Xie

Causal inference starts with a simple idea: compare groups that differ by treatment, not much else. Traditionally, similar groups are constructed using only observed covariates; however, it remains a long-standing challenge to incorporate…

统计方法学 · 统计学 2025-11-21 Ying Jin , José Zubizarreta

Combining data has become an indispensable tool for managing the current diversity and abundance of data. But, as data complexity and data volume swell, the computational demands of previously proposed models for combining data escalate…

统计方法学 · 统计学 2024-06-13 Mario Figueira , David Conesa , Antonio López-Quílez , Iosu Paradinas

Natural disasters ravage the world's cities, valleys, and shores on a regular basis. Deploying precise and efficient computational mechanisms for assessing infrastructure damage is essential to channel resources and minimize the loss of…

计算机视觉与模式识别 · 计算机科学 2022-01-28 Thomas Y. Chen