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Learning dynamical systems properties from data provides important insights that help us understand such systems and mitigate undesired outcomes. In this work, we propose a framework for learning spatio-temporal (ST) properties as formal…

Machine Learning · Computer Science 2022-11-08 Suhail Alsalehi , Erfan Aasi , Ron Weiss , Calin Belta

The detection and tracking of human landmarks in video streams has gained in reliability partly due to the availability of affordable RGB-D sensors. The analysis of such time-varying geometric data is playing an important role in the…

Computer Vision and Pattern Recognition · Computer Science 2019-08-12 Amor Ben Tanfous , Hassen Drira , Boulbaba Ben Amor

Computational imaging methods that can exploit multiple modalities have the potential to enhance the capabilities of traditional sensing systems. In this paper, we propose a new method that reconstructs multimodal images from their linear…

Computer Vision and Pattern Recognition · Computer Science 2017-06-15 Kevin Degraux , Ulugbek S. Kamilov , Petros T. Boufounos , Dehong Liu

Sequential Recommendation aims to recommend items that a target user will interact with in the near future based on the historically interacted items. While modeling temporal dynamics is crucial for sequential recommendation, most of the…

Information Retrieval · Computer Science 2021-09-27 Zeyuan Chen , Wei Zhang , Junchi Yan , Gang Wang , Jianyong Wang

With an increased interest in the production of personal health technologies designed to track user data (e.g., nutrient intake, step counts), there is now more opportunity than ever to surface meaningful behavioral insights to everyday…

Computation and Language · Computer Science 2022-07-13 Jonathan Harris , Mohammed J. Zaki

Uncovering cause-effect relationships from observational time series is fundamental to understanding complex systems. While many methods infer static causal graphs, real-world systems often exhibit dynamic causality-where relationships…

Machine Learning · Computer Science 2025-11-06 Tingzhu Bi , Yicheng Pan , Xinrui Jiang , Huize Sun , Meng Ma , Ping Wang

Large-scale Transformer language models (LMs) trained solely on next-token prediction with web-scale data can solve a wide range of tasks after seeing just a few examples. The mechanism behind this capability, known as in-context learning…

Computation and Language · Computer Science 2025-10-08 Jingcheng Niu , Subhabrata Dutta , Ahmed Elshabrawy , Harish Tayyar Madabushi , Iryna Gurevych

Structured data offers a sophisticated mechanism for the organization of information. Existing methodologies for the text-serialization of structured data in the context of large language models fail to adequately address the heterogeneity…

Computation and Language · Computer Science 2024-02-20 YiQiu Guo , Yuchen Yang , Ya Zhang , Yu Wang , Yanfeng Wang

Large Language Models (LLMs) update their behavior in context, which can be viewed as a form of Bayesian inference. However, the structure of the latent hypothesis space over which this inference operates remains unclear. In this work, we…

Computation and Language · Computer Science 2026-05-13 Eric Bigelow , Raphaël Sarfati , Daniel Wurgaft , Owen Lewis , Thomas McGrath , Jack Merullo , Atticus Geiger , Ekdeep Singh Lubana

LLMs are trained once, then deployed into a world that never stops changing. External memory compensates for this, but most systems manage it explicitly rather than letting it adapt on its own. Biological memory works differently: coupled…

Machine Learning · Computer Science 2026-05-08 Andreas Pattichis , Constantine Dovrolis

People living with dementia (PLwD) often show gradual shifts in how they communicate, becoming less expressive, more repetitive, or drifting off-topic in subtle ways. While caregivers may notice these changes informally, most computational…

Artificial Intelligence · Computer Science 2025-11-21 Joy Lai , Alex Mihailidis

We present two deep learning approaches to narrative text understanding for character relationship modelling. The temporal evolution of these relations is described by dynamic word embeddings, that are designed to learn semantic changes…

Computation and Language · Computer Science 2020-03-20 Vani K , Simone Mellace , Alessandro Antonucci

The burgeoning presence of Large Language Models (LLM) is propelling the development of personalized recommender systems. Most existing LLM-based methods fail to sufficiently explore the multi-view graph structure correlations inherent in…

Information Retrieval · Computer Science 2025-07-30 Xu Guo , Tong Zhang , Yuanzhi Wang , Chenxu Wang , Fuyun Wang , Xudong Wang , Xiaoya Zhang , Xin Liu , Zhen Cui

Temporal link prediction is crucial for rapidly growing social networks. Existing methods often overlook the underlying causal mechanisms that drive link formation, making it difficult for algorithms to adapt to complex structures that…

Machine Learning · Computer Science 2026-05-12 Hantong Feng , Duxin Chen , Wenwu Yu

Unsupervised clustering of temporal data is both challenging and crucial in machine learning. In this paper, we show that neither traditional clustering methods, time series specific or even deep learning-based alternatives generalise well…

Machine Learning · Computer Science 2020-10-13 Nuno Mota Goncalves , Ioana Giurgiu , Anika Schumann

The study of human dynamics has attracted much interest from many fields recently. In this paper, the fractal characteristic of human behaviors is investigated from the perspective of time series constructed with the amount of library…

Physics and Society · Physics 2015-05-20 Chao Fan , Jin-Li Guo , Yi-Long Zha

We propose Evolutionary Dynamic Loss (EDL), a framework that learns a transferable classification loss in the probability space using unlimited synthetic prediction-label pairs, without accessing real samples during the main loss…

Machine Learning · Computer Science 2026-05-06 Meng Xiang , Yan Pei

While textual frequency has been validated as relevant to human cognition in reading speed, its relatedness to Large Language Models (LLMs) is seldom studied. We propose a novel research direction in terms of textual data frequency, which…

Computation and Language · Computer Science 2026-04-08 Hongyuan Adam Lu , Z. L. , Victor Wei , Zefan Zhang , Zhao Hong , Qiqi Xiang , Bowen Cao , Wai Lam

We examine a bidirectional propositional dynamic logic (PDL) for finite and infinite message sequence charts (MSCs) extending LTL and TLC-. By this kind of multi-modal logic we can express properties both in the entire future and in the…

Logic in Computer Science · Computer Science 2015-07-01 Benedikt Bollig , Dietrich Kuske , Ingmar Meinecke

Continuous collection of physiological data from wearable sensors enables temporal characterization of individual behaviors. Understanding the relation between an individual's behavioral patterns and psychological states can help identify…