Results 31 to 40 of about 29,766 (249)

Lahar characteristics as a function of triggering mechanism at a seasonally snow-clad volcano: contrasting lahars following the 2014 phreatic eruption of Ontake Volcano, Japan

Earth, Planets and Space, 2018
In association with the September 2014 phreatic eruption (VEI 1–2) at Ontake Volcano, a syn-eruptive and two post-eruptive lahars occurred in the Akagawa–Nigorigawa River, southern flank of the volcano.
Kyoko S. Kataoka, Takane Matsumoto, Takeshi Saito, Katsuhisa Kawashima, Yoshitaka Nagahashi, Tsutomu Iyobe, Akihiko Sasaki, Keisuke Suzuki   +7 more
doaj   +1 more source

Online Intrusion Scenario Discovery and Prediction Based on Hierarchical Temporal Memory (HTM)

Applied Sciences, 2020
With the development of intrusion detection, a number of the intelligence algorithms (e.g., artificial neural networks) are introduced to enhance the performance of the intrusion detection systems.
Kai Zhang, Fei Zhao, Shoushan Luo, Yang Xin, Hongliang Zhu, Yuling Chen   +5 more
doaj   +1 more source

Secure ABE Scheme for Access Management in Blockchain-Based IoT

IEEE Access, 2021
Internet of Things (IoT) has been widely used in various fields of our daily life in the past years. Obviously, in the future, the significance of its security will be more evident and enormous.
Jiansheng Zhang, Yang Xin, Yulong Gao, Xiaohui Lei, Yixian Yang   +4 more
doaj   +1 more source

An Attention-Based Graph Neural Network for Spam Bot Detection in Social Networks

Applied Sciences, 2020
With the rapid development of social networks, spam bots and other anomaly accounts’ malicious behavior has become a critical information security problem threatening the social network platform.
Chensu Zhao, Yang Xin, Xuefeng Li, Hongliang Zhu, Yixian Yang, Yuling Chen   +5 more
doaj   +1 more source

An Efficient Approach for LBS Privacy Preservation in Mobile Social Networks

Applied Sciences, 2019
With the rapid development of smart handheld devices, wireless communication, and positioning technologies, location-based service (LBS) has been gaining tremendous popularity in mobile social networks (MSN).
Guangcan Yang, Shoushan Luo, Hongliang Zhu, Yang Xin, Mingzhen Li, Yunfeng Wang   +5 more
doaj   +1 more source

A Heterogeneous Ensemble Learning Framework for Spam Detection in Social Networks with Imbalanced Data

Applied Sciences, 2020
The popularity of social networks provides people with many conveniences, but their rapid growth has also attracted many attackers. In recent years, the malicious behavior of social network spammers has seriously threatened the information security of ...
Chensu Zhao, Yang Xin, Xuefeng Li, Yixian Yang, Yuling Chen   +4 more
doaj   +1 more source

A Filter Feature Selection Algorithm Based on Mutual Information for Intrusion Detection

Applied Sciences, 2018
For a large number of network attacks, feature selection is used to improve intrusion detection efficiency. A new mutual information algorithm of the redundant penalty between features (RPFMI) algorithm with the ability to select optimal features is ...
Fei Zhao, Jiyong Zhao, Xinxin Niu, Shoushan Luo, Yang Xin   +4 more
doaj   +1 more source

A Mechanism to Improve Effectiveness and Privacy Preservation for Review Publication in LBS

IEEE Access, 2019
Local business service systems (LBSS), as an essential role of location-based service (LBS), have been gaining tremendous popularity in our daily life.
Guangcan Yang, Shoushan Luo, Hongliang Zhu, Yang Xin, Ke Xiao, Yuling Chen, Mingzhen Li, Yunfeng Wang   +7 more
doaj   +1 more source

Evaluation of earthquake disaster recovery patterns and influencing factors: a case study of the 2008 Wenchuan earthquake

All Earth, 2023
Earthquakes will significantly impact the economic development of earthquake-affected areas and the regional post-earthquake economic recovery trajectory. We presented an explorative analysis of disaster resilience and introduced a quantitative framework
Xiaolin Chen, Xue Li, Zhumei Liu
doaj   +1 more source

Suspended sediment transport diversity in river catchments following the 2014 phreatic eruption at Ontake Volcano, Japan

Earth, Planets and Space, 2019
The present contribution investigates the temporal changes in volcaniclastic sediment transport over the 2-year period after the 2014 eruption of Ontake Volcano in two small drainage basins where increased turbidity was observed immediately after the ...
Kyoko S. Kataoka, Takane Matsumoto, Takeshi Saito, Yoshitaka Nagahashi, Tsutomu Iyobe   +4 more
doaj   +1 more source