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We propose a decentralised "local2global"' approach to graph representation learning, that one can a-priori use to scale any embedding technique. Our local2global approach proceeds by first dividing the input graph into overlapping…

Machine Learning · Computer Science 2022-01-14 Lucas G. S. Jeub , Giovanni Colavizza , Xiaowen Dong , Marya Bazzi , Mihai Cucuringu

With the rise in the employment of deep learning methods in safety-critical scenarios, interpretability is more essential than ever before. Although many different directions regarding interpretability have been explored for visual…

Machine Learning · Computer Science 2020-04-08 Shoaib Ahmed Siddiqui , Dominique Mercier , Andreas Dengel , Sheraz Ahmed

We propose a decentralised "local2global" approach to graph representation learning, that one can a-priori use to scale any embedding technique. Our local2global approach proceeds by first dividing the input graph into overlapping subgraphs…

Machine Learning · Computer Science 2021-07-27 Lucas G. S. Jeub , Giovanni Colavizza , Xiaowen Dong , Marya Bazzi , Mihai Cucuringu

In recent years, post-hoc local instance-level and global dataset-level explainability of black-box models has received a lot of attention. Much less attention has been given to obtaining insights at intermediate or group levels, which is a…

Machine Learning · Computer Science 2020-10-06 Karthikeyan Natesan Ramamurthy , Bhanukiran Vinzamuri , Yunfeng Zhang , Amit Dhurandhar

Accurately perceiving dynamic environments is a fundamental task for autonomous driving and robotic systems. Existing methods inadequately utilize temporal information, relying mainly on local temporal interactions between adjacent frames…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Tianhao Li , Yang Li , Mengtian Li , Yisheng Deng , Weifeng Ge

Real-world time series often exhibit complex interdependencies that cannot be captured in isolation. Global models that model past data from multiple related time series globally while producing series-specific forecasts locally are now…

Machine Learning · Computer Science 2024-05-14 Abishek Sriramulu , Christoph Bergmeir , Slawek Smyl

Forecasting over Temporal Knowledge Graphs (TKGs) which predicts future facts based on historical ones has received much attention. Recent studies have introduced Large Language Models (LLMs) for this task to enhance the models'…

Computation and Language · Computer Science 2025-06-03 Long Bai , Zixuan Li , Xiaolong Jin , Jiafeng Guo , Xueqi Cheng , Tat-Seng Chua

Conventional time series classification approaches based on bags of patterns or shapelets face significant challenges in dealing with a vast amount of feature candidates from high-dimensional multivariate data. In contrast, deep neural…

Machine Learning · Computer Science 2023-06-07 Raneen Younis , Abdul Hakmeh , Zahra Ahmadi

NL2SQL approaches have greatly benefited from the impressive capabilities of large language models (LLMs). In particular, bootstrapping an NL2SQL system for a specific domain can be as simple as instructing an LLM with sufficient contextual…

Computation and Language · Computer Science 2025-05-28 Sairam Gurajada , Eser Kandogan , Sajjadur Rahman

As black-box machine learning models grow in complexity and find applications in high-stakes scenarios, it is imperative to provide explanations for their predictions. Although Local Interpretable Model-agnostic Explanations (LIME) [22] is…

Machine Learning · Computer Science 2023-11-28 Zeren Tan , Yang Tian , Jian Li

Recent advances in deep learning have led to interest in training deep learning models on longitudinal healthcare records to predict a range of medical events, with models demonstrating high predictive performance. Predictive performance is…

Machine Learning · Computer Science 2022-11-23 Lin Lee Cheong , Tesfagabir Meharizghi , Wynona Black , Yang Guang , Weilin Meng

Time Series Imputation (TSI), which aims to recover missing values in temporal data, remains a fundamental challenge due to the complex and often high-rate missingness in real-world scenarios. Existing models typically optimize the…

Machine Learning · Computer Science 2025-10-07 Jie Yang , Kexin Zhang , Guibin Zhang , Philip S. Yu , Kaize Ding

Temporal reasoning is a crucial NLP task, providing a nuanced understanding of time-sensitive contexts within textual data. Although recent advancements in LLMs have demonstrated their potential in temporal reasoning, the predominant focus…

Computation and Language · Computer Science 2023-10-10 Chenhan Yuan , Qianqian Xie , Jimin Huang , Sophia Ananiadou

Long-tail recognition is challenging because it requires the model to learn good representations from tail categories and address imbalances across all categories. In this paper, we propose a novel generative and fine-tuning framework,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Qihao Zhao , Yalun Dai , Hao Li , Wei Hu , Fan Zhang , Jun Liu

Most commonly used non-linear machine learning methods are closed-box models, uninterpretable to humans. The field of explainable artificial intelligence (XAI) aims to develop tools to examine the inner workings of these closed boxes. An…

Machine Learning · Computer Science 2026-05-26 Lauri Seppäläinen , Mudong Guo , Kai Puolamäki

Human understandable explanation of deep learning models is essential for various critical and sensitive applications. Unlike image or tabular data where the importance of each input feature (for the classifier's decision) can be directly…

Machine Learning · Computer Science 2025-04-07 Shahbaz Rezaei , Xin Liu

Explaining the behavior of a black box machine learning model at the instance level is useful for building trust. However, it is also important to understand how the model behaves globally. Such an understanding provides insight into both…

Artificial Intelligence · Computer Science 2018-06-18 Nikaash Puri , Piyush Gupta , Pratiksha Agarwal , Sukriti Verma , Balaji Krishnamurthy

Temporal Graph Clustering (TGC) is a new task with little attention, focusing on node clustering in temporal graphs. Compared with existing static graph clustering, it can find the balance between time requirement and space requirement…

Machine Learning · Computer Science 2026-01-21 Meng Liu , Ke Liang , Siwei Wang , Xingchen Hu , Sihang Zhou , Xinwang Liu

Machine learning models have undeniably achieved impressive performance across a range of applications. However, their often perceived black-box nature, and lack of transparency in decision-making, have raised concerns about understanding…

Machine Learning · Computer Science 2023-10-03 Sein Minn

In this paper, we propose a deep generative time series approach using latent temporal processes for modeling and holistically analyzing complex disease trajectories. We aim to find meaningful temporal latent representations of an…