A fast shapelet selection algorithm for time series classification

C Ji, C Zhao, S Liu, C Yang, L Pan, L Wu, X Meng - Computer networks, 2019 - Elsevier
Time series classification has attracted significant interest over the past decade. One of the
promising approaches is shapelet based algorithms, which are interpretable, more accurate …

An attention mechanism and multi-granularity-based Bi-LSTM model for Chinese Q&A system

X Yu, W Feng, H Wang, Q Chu, Q Chen - Soft Computing, 2020 - Springer
Natural language processing (NLP) is one of the key techniques in intelligent question-
answering (Q&A) systems. Although recurrent neural networks and long short-term memory …

Variable-length multivariate time series classification using rocket: A case study of incident detection

A Bier, A Jastrzębska, P Olszewski - IEEE Access, 2022 - ieeexplore.ieee.org
Multivariate time series classification is a machine learning problem that can be applied to
automate a wide range of real-world data analysis tasks. RandOm Convolutional KErnel …

Discovering shapelets with key points in time series classification

G Li, W Yan, Z Wu - Expert systems with applications, 2019 - Elsevier
Shapelet is a time series subsequence that can best represent the time series of one class.
Shapelet can improve the accuracy and efficiency of classification, as well as the …

VGbel: An exploration of ensemble learning incorporating non-Euclidean structural representation for time series classification

S Wu, M Liang, X Wang, Q Chen - Expert Systems with Applications, 2023 - Elsevier
Time series classification is an essential part of time series analysis research and has
attracted generous researchers' attention. Representation learning and feature space …

XG-SF: An XGBoost classifier based on shapelet features for time series classification

C Ji, X Zou, Y Hu, S Liu, L Lyu, X Zheng - Procedia computer science, 2019 - Elsevier
Time series classification (TSC) has attracted significant interest over the past decade. A lot
of TSC methods have been proposed. Among these TSC methods, shapelet based methods …

Learning shapelets for improving single-molecule nanopore sensing

ZX Wei, YL Ying, MY Li, J Yang, JL Zhou… - Analytical …, 2019 - ACS Publications
The nanopore technique employs a nanoscale cavity to electrochemically confine individual
molecules, achieving ultrasensitive single-molecule analysis based on evaluating the …

A novel consciousness emotion recognition method using ERP components and MMSE

X Zheng, M Zhang, T Li, C Ji, B Hu - Journal of Neural …, 2021 - iopscience.iop.org
Objective. Electroencephalogram (EEG) based emotion recognition mainly extracts
traditional features from time domain and frequency domain, and the classification accuracy …

A just-in-time shapelet selection service for online time series classification

C Ji, C Zhao, L Pan, S Liu, C Yang, X Meng - Computer Networks, 2019 - Elsevier
Time series classification attracted significant interest over the past decade as a result of the
enormous data which can be inserted into the Cyber-Physical System. However, in such …

ADARC: An anomaly detection algorithm based on relative outlier distance and biseries correlation

C Ji, X Zou, S Liu, L Pan - Software: Practice and Experience, 2020 - Wiley Online Library
The application of anomaly detection to data monitoring is a fundamental requirement of the
public service systems of a smart city. Many detection methods have been proposed for …