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Time series prediction is a widespread and well studied problem with applications in many domains (medical, geoscience, network analysis, finance, econometry etc.). In the case of multivariate time series, the key to good performances is to…

机器学习 · 计算机科学 2022-02-09 Darko Drakulic , Jean-Marc Andreoli

Time series prediction is an important problem in machine learning. Previous methods for time series prediction did not involve additional information. With a lot of dynamic knowledge graphs available, we can use this additional information…

机器学习 · 计算机科学 2020-07-14 Sankalp Garg , Navodita Sharma , Woojeong Jin , Xiang Ren

This work presents an introduction to feature-based time-series analysis. The time series as a data type is first described, along with an overview of the interdisciplinary time-series analysis literature. I then summarize the range of…

机器学习 · 计算机科学 2017-10-03 Ben D. Fulcher

Time series data are prevalent across various domains and often encompass large datasets containing multiple time-dependent features in each sample. Exploring time-varying data is critical for data science practitioners aiming to understand…

图形学 · 计算机科学 2025-09-26 Evandro S. Ortigossa , Fábio F. Dias , Diego C. Nascimento , Luis Gustavo Nonato

Transfer learning is a common practice that alleviates the need for extensive data to train neural networks. It is performed by pre-training a model using a source dataset and fine-tuning it for a target task. However, not every source…

机器学习 · 计算机科学 2024-10-01 Jiseok Lee , Brian Kenji Iwana

The growing availability and importance of time series data across various domains, including environmental science, epidemiology, and economics, has led to an increasing need for time-series causal discovery methods that can identify the…

机器学习 · 计算机科学 2024-04-03 Omar Faruque , Sahara Ali , Xue Zheng , Jianwu Wang

Cross-Domain Sequential Recommendation (CDSR) is a hot topic in sequence-based user interest modeling, which aims at utilizing a single model to predict the next items for different domains. To tackle the CDSR, many methods are focused on…

信息检索 · 计算机科学 2024-10-18 Haipeng Li , Jiangxia Cao , Yiwen Gao , Yunhuai Liu , Shuchao Pang

Time series data captures properties that change over time. Such data occurs widely, ranging from the scientific and medical domains to the industrial and environmental domains. When the properties in time series exhibit spatial variations,…

数据库 · 计算机科学 2025-04-03 Bin Yang , Yuxuan Liang , Chenjuan Guo , Christian S. Jensen

Unsupervised/self-supervised representation learning in time series is critical since labeled samples are usually scarce in real-world scenarios. Existing approaches mainly leverage the contrastive learning framework, which automatically…

机器学习 · 计算机科学 2023-07-10 Wenrui Zhang , Ling Yang , Shijia Geng , Shenda Hong

Time series motif discovery has been a fundamental task to identify meaningful repeated patterns in time series. Recently, time series chains were introduced as an expansion of time series motifs to identify the continuous evolving patterns…

机器学习 · 计算机科学 2022-11-07 Li Zhang , Yan Zhu , Yifeng Gao , Jessica Lin

Multivariate time-series forecasting holds immense value across diverse applications, requiring methods to effectively capture complex temporal and inter-variable dynamics. A key challenge lies in uncovering the intrinsic patterns that…

机器学习 · 计算机科学 2025-03-12 Liang Yu , Lai Tu , Xiang Bai

Time series, as one of the most fundamental representations of sequential data, has been extensively studied across diverse disciplines, including computer science, biology, geology, astronomy, and environmental sciences. The advent of…

机器学习 · 计算机科学 2024-12-31 John Paparrizos , Fan Yang , Haojun Li

Very large time series are increasingly available from an ever wider range of IoT-enabled sensors, from which significant insights can be obtained through mining temporal patterns from them. A useful type of patterns found in many…

数据库 · 计算机科学 2023-01-10 Van Long Ho , Nguyen Ho , Torben Bach Pedersen

Sequential deep learning models such as RNN, causal CNN and attention mechanism do not readily consume continuous-time information. Discretizing the temporal data, as we show, causes inconsistency even for simple continuous-time processes.…

机器学习 · 计算机科学 2021-03-30 Da Xu , Chuanwei Ruan , Evren Korpeoglu , Sushant Kumar , Kannan Achan

Time series data appears in a variety of applications such as smart transportation and environmental monitoring. One of the fundamental problems for time series analysis is time series forecasting. Despite the success of recent deep time…

人工智能 · 计算机科学 2022-09-28 Baoyu Jing , Si Zhang , Yada Zhu , Bin Peng , Kaiyu Guan , Andrew Margenot , Hanghang Tong

In recent years, there have been unprecedented technological advances in sensor technology, and sensors have become more affordable than ever. Thus, sensor-driven data collection is increasingly becoming an attractive and practical option…

机器学习 · 计算机科学 2021-12-30 Alireza Abdoli

Indexing the Web is becoming a laborious task for search engines as the Web exponentially grows in size and distribution. Presently, the most effective known approach to overcome this problem is the use of focused crawlers. A focused…

信息检索 · 计算机科学 2015-10-02 Ali Seyfi

Developing fast and efficient algorithms for retrieval of objects to a given user query is an area of active research. The present study investigates retrieval of time series objects from a phoneme database to a given user pattern or query.…

定量方法 · 定量生物学 2007-12-28 Radhakrishnan Nagarajan , Anand Nagarajan , Mariofanna Milanova

Diffusion models have been widely used in time series and spatio-temporal data, enhancing generative, inferential, and downstream capabilities. These models are applied across diverse fields such as healthcare, recommendation, climate,…

Effective conversational search demands a deep understanding of user intent across multiple dialogue turns. Users frequently use abbreviations and shift topics in the middle of conversations, posing challenges for conventional retrievers.…

信息检索 · 计算机科学 2025-09-25 Seunghan Yang , Juntae Lee , Jihwan Bang , Kyuhong Shim , Minsoo Kim , Simyung Chang