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In many applications of time series models, such as climate analysis and social media analysis, we are often interested in extreme events, such as heatwave, wind gust, and burst of topics. These time series data usually exhibit a…

统计方法学 · 统计学 2012-06-22 Yan Liu , Taha Bahadori , Hongfei Li

Algorithm selection (AS) deals with the automatic selection of an algorithm from a fixed set of candidate algorithms most suitable for a specific instance of an algorithmic problem class, where "suitability" often refers to an algorithm's…

机器学习 · 计算机科学 2020-07-13 Alexander Tornede , Marcel Wever , Stefan Werner , Felix Mohr , Eyke Hüllermeier

Time series data is used in a wide range of real world applications. In a variety of domains , detailed analysis of time series data (via Forecasting and Anomaly Detection) leads to a better understanding of how events associated with a…

机器学习 · 计算机科学 2022-03-11 Yunus Parvej Faniband , Iskandar Ishak , Sadiq M. Sait

In this paper we propose a novel R package, called rsurv, developed for general survival data simulation purposes. The package is built under a new approach to simulate survival data that depends heavily on the use of dplyr verbs. The…

统计计算 · 统计学 2024-06-05 Fábio N. Demarqui

Current Targeted Maximum Likelihood Estimation (TMLE) methods used to analyze time-to-event data estimate the survival probability for each time point separately, which result in estimates that are not necessarily monotone. In this paper,…

统计方法学 · 统计学 2019-06-14 Weixin Cai , Mark J. van der Laan

The SEAR Dataset is a novel multimodal resource designed to study the emerging threat of social engineering (SE) attacks orchestrated through augmented reality (AR) and multimodal large language models (LLMs). This dataset captures 180…

人工智能 · 计算机科学 2025-06-02 Tianlong Yu , Chenghang Ye , Zheyu Yang , Ziyi Zhou , Cui Tang , Zui Tao , Jun Zhang , Kailong Wang , Liting Zhou , Yang Yang , Ting Bi

We then introduce a novel hierarchical knowledge distillation strategy that incorporates the similarity matrix, feature representation, and response map-based distillation to guide the learning of the student Transformer network. We also…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Shiao Wang , Xiao Wang , Chao Wang , Liye Jin , Lin Zhu , Bo Jiang , Yonghong Tian , Jin Tang

Social networks are quickly becoming the primary medium for discussing what is happening around real-world events. The information that is generated on social platforms like Twitter can produce rich data streams for immediate insights into…

社会与信息网络 · 计算机科学 2019-07-26 Mateusz Fedoryszak , Brent Frederick , Vijay Rajaram , Changtao Zhong

Spatial survival analysis has received a great deal of attention over the last 20 years due to the important role that geographical information can play in predicting survival. This paper provides an introduction to a set of programs for…

统计计算 · 统计学 2018-04-25 Haiming Zhou , Timothy Hanson , Jiajia Zhang

Time series forecasting has become an increasingly popular research area due to its critical applications in various real-world domains such as traffic management, weather prediction, and financial analysis. Despite significant…

机器学习 · 计算机科学 2024-08-22 Ninghui Feng , Songning Lai , Jiayu Yang , Fobao Zhou , Zhenxiao Yin , Hang Zhao

Adverse Events (AE) are harmful events resulting from the use of medical products. Although social media may be crucial for early AE detection, the sheer scale of this data makes it logistically intractable to analyze using human agents,…

计算与语言 · 计算机科学 2021-09-14 Shivam Raval , Hooman Sedghamiz , Enrico Santus , Tuka Alhanai , Mohammad Ghassemi , Emmanuele Chersoni

This paper presents LEMONADE, a large-scale conflict event dataset comprising 39,786 events across 20 languages and 171 countries, with extensive coverage of region-specific entities. LEMONADE is based on a partially reannotated subset of…

Speech-to-text (S2T) summarization is a time-saving technique for filtering and keeping up with the broadcast news uploaded online on a daily basis. The rise of large language models from deep learning with impressive text generation…

计算与语言 · 计算机科学 2023-06-12 Raul Monteiro , Diogo Pernes

Public events on social media generate large volumes of discussion whose collective dynamics carry direct value for opinion forecasting and crisis response. Capturing how these dynamics evolve across an event's lifecycle requires organizing…

社会与信息网络 · 计算机科学 2026-05-21 Chen Su , Pengsen Cheng , Yuanhe Tian , Yan Song

Stroke remains a leading cause of global morbidity and mortality, imposing a heavy socioeconomic burden. Advances in endovascular reperfusion therapy and CT and MR imaging for treatment guidance have significantly improved patient outcomes.…

Synthetic data is becoming an increasingly promising technology, and successful applications can improve privacy, fairness, and data democratization. While there are many methods for generating synthetic tabular data, the task remains…

机器学习 · 计算机科学 2023-02-27 Alexander Norcliffe , Bogdan Cebere , Fergus Imrie , Pietro Lio , Mihaela van der Schaar

Partially-observed time series (POTS) is ubiquitous in real-world applications, yet most existing toolchains separate missing-value handling from downstream learning, which limits reproducibility and overall performance. This tutorial…

机器学习 · 计算机科学 2026-04-28 Wenjie Du , Yiyuan Yang , Tianxiang Zhan , Qingsong Wen

Health policy decisions are often informed by estimates of long-term survival based primarily on short-term data. A range of methods are available to include longer-term information, but there has previously been no comprehensive and…

统计方法学 · 统计学 2025-05-05 Christopher Jackson

Text-to-motion generation has advanced with diffusion models, yet existing systems often collapse complex multi-action prompts into a single embedding, leading to omissions, reordering, or unnatural transitions. In this work, we shift…

图形学 · 计算机科学 2026-02-05 Seong-Eun Hong , JaeYoung Seon , JuYeong Hwang , JongHwan Shin , HyeongYeop Kang

Drought is one of the most destructive and expensive natural disasters, severely impacting natural resources and risks by depleting water resources and diminishing agricultural yields. Under climate change, accurately predicting drought is…

机器学习 · 计算机科学 2024-12-20 Xuwei Tan , Qian Zhao , Yanlan Liu , Xueru Zhang