English
Related papers

Related papers: VISTA: Knowledge-Driven Vessel Trajectory Imputati…

200 papers

The deployment of autonomous navigation systems on ships necessitates accurate motion prediction models tailored to individual vessels. Traditional physics-based models, while grounded in hydrodynamic principles, often fail to account for…

Industrial maintenance platforms contain rich but fragmented evidence, including free-text work orders, heterogeneous operational sensors or indicators, and structured failure knowledge. These sources are often analyzed in isolation,…

Artificial Intelligence · Computer Science 2026-03-10 Fearghal O'Donncha , Nianjun Zhou , Natalia Martinez , James T Rayfield , Fenno F. Heath , Abigail Langbridge , Roman Vaculin

Information retrieval (IR) or knowledge retrieval, is a critical component for many down-stream tasks such as open-domain question answering (QA). It is also very challenging, as it requires succinctness, completeness, and correctness. In…

Computation and Language · Computer Science 2023-08-10 Xiaodong Yu , Ben Zhou , Dan Roth

Charts provide visual representations of data and are widely used for analyzing information, addressing queries, and conveying insights to others. Various chart-related downstream tasks have emerged recently, such as question-answering and…

Computation and Language · Computer Science 2024-03-15 Ahmed Masry , Mehrad Shahmohammadi , Md Rizwan Parvez , Enamul Hoque , Shafiq Joty

Underactuated systems like sea vessels have degrees of motion that are insufficiently matched by a set of independent actuation forces. In addition, the underlying trajectory-tracking control problems grow in complexity in order to decide…

Systems and Control · Electrical Eng. & Systems 2021-04-02 Mohammed Abouheaf , Wail Gueaieb , Md. Suruz Miah , Davide Spinello

Accurate vessel trajectory prediction facilitates improved navigational safety, routing, and environmental protection. However, existing prediction methods are challenged by the irregular sampling time intervals of the vessel tracking data…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Haomin Yu , Tianyi Li , Kristian Torp , Christian S. Jensen

Advances in multimodal pre-training have propelled object-level foundation models, such as Grounding DINO and Florence-2, in tasks like visual grounding and object detection. However, interpreting these models' decisions has grown…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Ruoyu Chen , Siyuan Liang , Jingzhi Li , Shiming Liu , Maosen Li , Zhen Huang , Hua Zhang , Xiaochun Cao

Accurate trajectory prediction has long been a major challenge for autonomous driving (AD). Traditional data-driven models predominantly rely on statistical correlations, often overlooking the causal relationships that govern traffic…

Artificial Intelligence · Computer Science 2025-05-13 Bonan Wang , Haicheng Liao , Chengyue Wang , Bin Rao , Yanchen Guan , Guyang Yu , Jiaxun Zhang , Songning Lai , Chengzhong Xu , Zhenning Li

While large vision-language models (VLMs) show promise for object goal navigation, current methods still struggle with low success rates and inefficient localization of unseen objects--failures primarily attributed to weak temporal-spatial…

Robotics · Computer Science 2026-02-11 Zixuan Wang , Huang Fang , Shaoan Wang , Yuanfei Luo , Heng Dong , Wei Li , Yiming Gan

Learning robot control policies from demonstrations is a powerful paradigm, yet real-world data is often suboptimal, noisy, or otherwise imperfect, posing significant challenges for imitation and reinforcement learning. In this work, we…

Machine Learning · Computer Science 2026-04-07 Aniruddh G. Puranic , Sebastian Schirmer , John S. Baras , Calin Belta

Vision-Language-Action (VLA) models leverage powerful perceptual priors from web-scale Vision-Language Model (VLM) pre-training, yet they remain surprisingly brittle in practice, frequently failing at simple robotic tasks. To mitigate this,…

Robotics · Computer Science 2026-05-19 Miranda Muqing Miao , Subin Kim , Brandon Yang , Lyle Ungar

Provenance, or information about the origin or derivation of data, is important for assessing the trustworthiness of data and identifying and correcting mistakes. Most prior implementations of data provenance have involved heavyweight…

Programming Languages · Computer Science 2017-08-23 Stefan Fehrenbach , James Cheney

We address the problem of transforming raw vessel trajectory data collected from AIS into structured and semantically enriched representations interpretable by humans and directly usable by machine reasoning systems. We propose a…

In light of the growing popularity of Exploratory Data Analysis (EDA), understanding the underlying causes of the knowledge acquired by EDA is crucial. However, it remains under-researched. This study promotes a transparent and explicable…

Databases · Computer Science 2023-05-31 Pingchuan Ma , Rui Ding , Shuai Wang , Shi Han , Dongmei Zhang

Critical evaluation and understanding of ship responses in the ocean is important for not only the design and engineering of future platforms but also the operation and safety of those that are currently deployed. Simulations or experiments…

Machine Learning · Computer Science 2023-01-25 Kevin M. Silva , Kevin J. Maki

Knowledge Tracing (KT) is a fundamental component of Intelligent Tutoring Systems (ITS), enabling the modeling of students' knowledge states to predict future performance. The introduction of Deep Knowledge Tracing (DKT), the first deep…

Machine Learning · Computer Science 2025-06-17 Yiyun Zhou , Wenkang Han , Jingyuan Chen

Current evaluations of spatial intelligence can be systematically invalid under modern vision-language model (VLM) settings. First, many benchmarks derive question-answer (QA) pairs from point-cloud-based 3D annotations originally curated…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Yiming Zhang , Jiacheng Chen , Jiaqi Tan , Yongsen Mao , Wenhu Chen , Angel X. Chang

Intelligent software systems continuously analyze their surrounding environment and accordingly adapt their internal state. Depending on the criticality index of the situation, the system should dynamically focus or widen its analysis and…

Software Engineering · Computer Science 2014-07-18 Thomas Hartmann , Francois Fouquet , Yves Le Traon , Brice Morin

Auto-regressive partial differential equation (PDE) foundation models have shown great potential in handling time-dependent data. However, these models suffer from the shortcut problem deeply rooted in auto-regressive prediction, causing…

Machine Learning · Computer Science 2025-06-03 Congcong Zhu , Xiaoyan Xu , Jiayue Han , Jingrun Chen

Demand is growing for more accountability regarding the technological systems that increasingly occupy our world. However, the complexity of many of these systems - often systems-of-systems - poses accountability challenges. A key reason…

Computers and Society · Computer Science 2019-11-18 Jatinder Singh , Jennifer Cobbe , Chris Norval