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Origin-destination (OD) flow modeling is an extensively researched subject across multiple disciplines, such as the investigation of travel demand in transportation and spatial interaction modeling in geography. However, researchers from…

其他计算机科学 · 计算机科学 2024-10-10 Can Rong , Jingtao Ding , Yong Li

Optimal Transport (OT) has recently emerged as a central tool in data sciences to compare in a geometrically faithful way point clouds and more generally probability distributions. The wide adoption of OT into existing data analysis and…

机器学习 · 统计学 2023-01-18 Thibault Séjourné , Gabriel Peyré , François-Xavier Vialard

Multimodal Attributed Graphs (MAGs) have been widely adopted for modeling complex systems by integrating multi-modal information, such as text and images, on nodes. However, we identify a discrepancy between the implicit semantic structure…

机器学习 · 计算机科学 2026-02-02 Yilong Zuo , Xunkai Li , Zhihan Zhang , Qiangqiang Dai , Ronghua Li , Guoren Wang

Robust waypoint prediction is crucial for mobile robots operating in open-world, safety-critical settings. While Imitation Learning (IL) methods have demonstrated great success in practice, they are susceptible to distribution shifts: the…

Time-series forecasting underpins critical decisions across aviation, energy, retail and health. Classical autoregressive integrated moving average (ARIMA) models offer interpretability via coefficients but struggle with nonlinearities,…

机器学习 · 计算机科学 2025-08-25 Manish Shukla

Cross-domain alignment between two sets of entities (e.g., objects in an image, words in a sentence) is fundamental to both computer vision and natural language processing. Existing methods mainly focus on designing advanced attention…

计算与语言 · 计算机科学 2020-07-28 Liqun Chen , Zhe Gan , Yu Cheng , Linjie Li , Lawrence Carin , Jingjing Liu

Randomized Controlled Trials (RCTs) represent the gold standard for causal inference yet remain a scarce resource. While large-scale observational data is often available, it is utilized only for retrospective fusion, and remains discarded…

机器学习 · 统计学 2026-03-05 Erdun Gao , Liang Zhang , Jake Fawkes , Aoqi Zuo , Wenqin Liu , Haoxuan Li , Mingming Gong , Dino Sejdinovic

While Vision-Language Models (VLMs) enable high-level semantic reasoning for end-to-end autonomous driving, particularly in unstructured environments, existing off-road datasets suffer from language annotations that are weakly aligned with…

机器人学 · 计算机科学 2026-04-24 Byounggun Park , Soonmin Hwang

There is a recent surge in the development of spatio-temporal forecasting models in the transportation domain. Long-range traffic forecasting, however, remains a challenging task due to the intricate and extensive spatio-temporal…

机器学习 · 计算机科学 2023-06-02 Zibo Liu , Parshin Shojaee , Chandan K Reddy

The estimation of origin-destination (OD) matrices is a crucial aspect of Intelligent Transport Systems (ITS). It involves adjusting an initial OD matrix by regressing the current observations like traffic counts of road sections (e.g.,…

人工智能 · 计算机科学 2023-10-10 Zheli Xiong , Defu Lian , Enhong Chen , Gang Chen , Xiaomin Cheng

Human mobility forecasting is crucial for disaster relief, city planning, and public health. However, existing models either only model location sequences or include time information merely as auxiliary input, thereby failing to leverage…

人工智能 · 计算机科学 2025-10-24 Yunzhi Liu , Haokai Tan , Rushi Kanjaria , Lihuan Li , Flora D. Salim

We study optimal transport (OT) problem for probability measures supported on a tree metric space. It is known that such OT problem (i.e., tree-Wasserstein (TW)) admits a closed-form expression, but depends fundamentally on the underlying…

机器学习 · 统计学 2024-03-04 Tam Le , Truyen Nguyen , Kenji Fukumizu

Agile humanoid locomotion in complex 3D en- vironments requires balancing perceptual fidelity with com- putational efficiency, yet existing methods typically rely on rigid sensing configurations. We propose ADAPT (Adaptive dual-projection…

机器人学 · 计算机科学 2026-03-18 Shuo Shao , Tianchen Huang , Wei Gao , Shiwu Zhang

Gradient-based approaches in reinforcement learning (RL) have achieved tremendous success in learning policies for autonomous vehicles. While the performance of these approaches warrants real-world adoption, these policies lack…

机器学习 · 计算机科学 2023-08-01 Rohan Paleja , Yaru Niu , Andrew Silva , Chace Ritchie , Sugju Choi , Matthew Gombolay

Commuting flow prediction is an essential task for municipal operations in the real world. Previous studies have revealed that it is feasible to estimate the commuting origin-destination (OD) demand within a city using multiple auxiliary…

机器学习 · 计算机科学 2024-10-24 Mingfei Cai , Yanbo Pang , Yoshihide Sekimoto

Motion planning algorithms often leverage topological information about the environment to improve planner performance. However, these methods often focus only on the environment's connectivity while ignoring other properties such as…

机器人学 · 计算机科学 2020-03-05 Diane Uwacu , Regina Rex , Bonnie Wang , Shawna Thomas , Nancy M. Amato

Recent studies have proposed different methods to improve multilingual word representations in contextualized settings including techniques that align between source and target embedding spaces. For contextualized embeddings, alignment…

计算与语言 · 计算机科学 2026-03-20 Sawsan Alqahtani , Garima Lalwani , Yi Zhang , Salvatore Romeo , Saab Mansour

Model interpretability is an increasingly important component of practical machine learning. Some of the most common forms of interpretability systems are example-based, local, and global explanations. One of the main challenges in…

机器学习 · 计算机科学 2019-01-08 Gregory Plumb , Denali Molitor , Ameet Talwalkar

Due to the complexity of many decision making problems, tree search algorithms often have inadequate information to produce accurate transition models. This results in ambiguities (uncertainties for which there are multiple plausible…

机器人学 · 计算机科学 2024-08-27 Jared J. Beard , R. Michael Butts , Yu Gu

Tree-based regression and classification has become a standard tool in modern data science. Bayesian Additive Regression Trees (BART) has in particular gained wide popularity due its flexibility in dealing with interactions and non-linear…

统计计算 · 统计学 2022-09-13 Alan Inglis , Andrew Parnell , Catherine Hurley