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Most existing temporal point process models are characterized by conditional intensity function. These models often require numerical approximation methods for likelihood evaluation, which potentially hurts their performance. By directly…

Machine Learning · Computer Science 2024-05-03 Bingqing Liu

Time series forecasting is a key component in many industrial and business decision processes and recurrent neural network (RNN) based models have achieved impressive progress on various time series forecasting tasks. However, most of the…

Machine Learning · Computer Science 2021-01-26 Zekai Chen , Jiaze E , Xiao Zhang , Hao Sheng , Xiuzheng Cheng

Deep learning-based massive MIMO CSI feedback has received a lot of attention in recent years. Now, there exists a plethora of CSI feedback models mostly based on auto-encoders (AE) architecture with an encoder network at the user equipment…

Information Theory · Computer Science 2022-12-02 Sharan Mourya , SaiDhiraj Amuru , Kiran Kumar Kuchi

Among numerous blind source separation (BSS) methods, convolutive transfer function-based multichannel non-negative matrix factorization (CTF-MNMF) has demonstrated strong performance in highly reverberant environments by modeling…

Sound · Computer Science 2025-10-06 Xuemai Xie , Xianrui Wang , Liyuan Zhang , Yichen Yang , Shoji Makino

Influence functions estimate effect of individual data points on predictions of the model on test data and were adapted to deep learning in Koh and Liang [2017]. They have been used for detecting data poisoning, detecting helpful and…

Machine Learning · Computer Science 2022-10-04 Nikunj Saunshi , Arushi Gupta , Mark Braverman , Sanjeev Arora

In recent years, the black-box nature of deep learning models has limited their application in high-stakes domains such as medical diagnosis and finance, where interpretability is essential. To address this, we propose a novel approach…

Computation and Language · Computer Science 2026-05-26 Yike Sun , Mingkun Xu , Mu You , Zhongzhi He , Henghua Shen , Zehan Tan , Derek F. Wong , Tao Fang

Accurate Multivariate Time Series (MTS) forecasting is crucial for collaborative design of complex systems, Digital Twin building, and maintenance ahead of time. However, the collaborative industrial environment presents new challenges for…

Machine Learning · Computer Science 2025-12-02 Shaoxun Wang , Xingjun Zhang , Kun Xia , Qianyang Li , Jiawei Cao , Zhendong Tan

Large language models (LLMs) have been introduced to time series forecasting (TSF) to incorporate contextual knowledge beyond numerical signals. However, existing studies question whether LLMs provide genuine benefits, often reporting…

Computation and Language · Computer Science 2026-03-04 Xin Qiu , Junlong Tong , Yirong Sun , Yunpu Ma , Wei Zhang , Xiaoyu Shen

Parameter estimation in empirical fields is usually undertaken using parametric models, and such models readily facilitate statistical inference. Unfortunately, they are unlikely to be sufficiently flexible to be able to adequately model…

Machine Learning · Computer Science 2022-06-13 Matthew J. Vowels , Sina Akbari , Necati Cihan Camgoz , Richard Bowden

End-to-end neural TTS training has shown improved performance in speech style transfer. However, the improvement is still limited by the training data in both target styles and speakers. Inadequate style transfer performance occurs when the…

Sound · Computer Science 2021-06-21 Xiaochun An , Frank K. Soong , Lei Xie

Channel pruning has demonstrated its effectiveness in compressing ConvNets. In many related arts, the importance of an output feature map is only determined by its associated filter. However, these methods ignore a small part of weights in…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Yangchun Yan , Rongzuo Guo , Chao Li , Kang Yang , Yongjun Xu

Identifying the training data samples that most influence a generated image is a critical task in understanding diffusion models (DMs), yet existing influence estimation methods are constrained to small-scale or LoRA-tuned models due to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Huawei Lin , Yingjie Lao , Weijie Zhao

In the real world, the class of a time series is usually labeled at the final time, but many applications require to classify time series at every time point. e.g. the outcome of a critical patient is only determined at the end, but he…

Machine Learning · Computer Science 2022-08-16 Chenxi Sun , Moxian Song , Derun Can , Baofeng Zhang , Shenda Hong , Hongyan Li

Anomaly detection in multivariate time series (MTS) is crucial for various applications in data mining and industry. Current industrial methods typically approach anomaly detection as an unsupervised learning task, aiming to identify…

Machine Learning · Computer Science 2024-10-14 Yuanyi Wang , Haifeng Sun , Chengsen Wang , Mengde Zhu , Jingyu Wang , Wei Tang , Qi Qi , Zirui Zhuang , Jianxin Liao

Multivariate Time Series Forecasting (MTSF) involves predicting future values of multiple interrelated time series. Recently, deep learning-based MTSF models have gained significant attention for their promising ability to mine semantics…

Machine Learning · Computer Science 2025-06-17 Chengqing Yu , Fei Wang , Chuanguang Yang , Zezhi Shao , Tao Sun , Tangwen Qian , Wei Wei , Zhulin An , Yongjun Xu

Asynchronous Time Series is a multivariate time series where all the channels are observed asynchronously-independently, making the time series extremely sparse when aligning them. We often observe this effect in applications with complex…

Machine Learning · Computer Science 2022-08-25 Vijaya Krishna Yalavarthi , Johannes Burchert , Lars Schmidt-Thieme

Recent advances in deep forecasting models have achieved remarkable performance, yet most approaches still struggle to provide both accurate predictions and interpretable insights into temporal dynamics. This paper proposes CaReTS, a novel…

Machine Learning · Computer Science 2025-11-14 Fulong Yao , Wanqing Zhao , Chao Zheng , Xiaofei Han

Multivariate time series classification is an important computational task arising in applications where data is recorded over time and over multiple channels. For example, a smartwatch can record the acceleration and orientation of a…

Machine Learning · Computer Science 2023-09-08 Davide Italo Serramazza , Thu Trang Nguyen , Thach Le Nguyen , Georgiana Ifrim

In multivariate time series forecasting (MTSF), existing strategies for processing sequences are typically categorized as channel-independent and channel-mixing. The former treats all temporal information of each variable as a token,…

Artificial Intelligence · Computer Science 2025-07-08 Bing Fan , Shusen Ma , Yun-Bo Zhao , Yu Kang

One of the most important subjects of hydraulic engineering is the reliable estimation of the transverse distribution in the rectangular channel of bed and wall shear stresses. This study makes use of the Tsallis entropy, genetic…

Fluid Dynamics · Physics 2021-03-10 Babak Lashkar-Ara , Niloofar Kalantari , Zohreh Sheikh Khozani , Amir Mosavi