Results 21 to 30 of about 514,814 (311)

Analyzing Spatiotemporal Daily Travel Source Carbon Emissions Based on Taxi Trajectory Data

IEEE Access, 2021
Analyzing the spatial-temporal distribution of travel carbon emissions will help government departments to develop effective policies and strategies for carbon emission management.
Maopeng Sun, Chenlei Xue, Yanqiu Cheng, Ling Zhao, Zhiyou Long   +4 more
doaj   +1 more source

Generating Labeled Multiple Attribute Trajectory Data With Selective Partial Anonymization Based on Exceptional Conditional Generative Adversarial Network

IEEE Access, 2023
Trajectory data generated in location-based service environments contain highly sensitive personal information, making them a prime target for privacy attacks.
Yeji Song, Jihwan Shin, Jinhyun Ahn, Taewhi Lee, Dong-Hyuk Im   +4 more
doaj   +1 more source

Lclean: A Plausible Approach to Individual Trajectory Data Sanitization

IEEE Access, 2018
In recent years, with the continuous development of significant data industrialization, trajectory data have more and more critical analytical value for urban construction and environmental monitoring.
Qilong Han, Dan Lu, Kejia Zhang, Xiaojiang Du, Mohsen Guizani   +4 more
doaj   +1 more source

SHNN-CAD+: An Improvement on SHNN-CAD for Adaptive Online Trajectory Anomaly Detection

Sensors, 2018
To perform anomaly detection for trajectory data, we study the Sequential Hausdorff Nearest-Neighbor Conformal Anomaly Detector (SHNN-CAD) approach, and propose an enhanced version called SHNN-CAD + . SHNN-CAD was introduced based on the theory of
Yuejun Guo, Anton Bardera
doaj   +1 more source

The Quantitative Estimation of Grazing Intensity on the Zoige Plateau Based on the Space-Air-Ground Integrated Monitoring Technology

Remote Sensing, 2020
Grazing intensity (GI) is an important indicator for grazing situations in pastoral areas. However, it has been difficult to be observed directly in the field, due to the randomness and dynamics of the grazing behavior of livestock.
Guangbin Lei, Ainong Li, Zhengjian Zhang, Jinhu Bian, Guyue Hu, Changbo Wang, Xi Nan, Jiyan Wang, Jianbo Tan, Xiaohan Liao   +9 more
doaj   +1 more source

CTELC: A Constant-Time Ensemble Learning Classifier Based on KNN for Big Data

IEEE Access, 2023
Big data classification is a challenging task because most known classification methods need a long time and a lot of processing resources to execute such a task and use the vast amount of available data.
Ahmad S. Tarawneh, Eman S. Alamri, Najah Noori Al-Saedi, Mohammad Alauthman, Ahmad B. Hassanat   +4 more
doaj   +1 more source

Context-aware Adaptive Outlier Detection in Trajectory Data

, 2020
With the advent of data mining and business processes automation, outlier detection has evolved into a major problem attracting significant research in relation to several application domains.
Wenbin Zhang, Srinivas Danda, Zhang, Ji, Jerry Chun-Wei, Danda, Srinivas, Tao, Xiaohui, Zhang, Wenbin, Xiaohui Tao, Ji Zhang, Chun-Wei, Jerry   +9 more
core   +1 more source

Design and Application of an Attractiveness Index for Urban Hotspots Based on GPS Trajectory Data

IEEE Access, 2018
Urban hotspots refer to regions where flourishing shopping centers are located, the travel volume is very large, and there is high traffic. The formation of hotspots is strongly correlated with many features, i.e., time, space, and the distribution of ...
Li Cai, Fang Jiang, Wei Zhou, Keqin Li
doaj   +1 more source

An efficient method for privacy-preserving trajectory data publishing based on data partitioning

, 2020
Since Osman Abul et al. first proposed the k-anonymity-based privacy protection for trajectory data, researchers have proposed a variety of trajectory privacy-preserving methods.
Sang, Yingpeng, Li, Songyuan, Shen, Hong, Tian, Hui   +3 more
core   +1 more source

Semantic-Aware Privacy-Preserving Online Location Trajectory Data Sharing

, 2022
Although users can obtain various services by sharing their location information online with location-based service providers, it reveals sensitive information about users.
Zheng, Zhirun, Tu, Dengbiao, Li, Zhetao, Zhang, Leo Yu, Jiang, Hongbo   +4 more
core   +1 more source