Chao Li

Allan Brimicombe

Location-Based Services (LBS) are the delivery of data and information services where the content of those services is tailored to the current location and context of a mobile user. This is a new and fast-growing technology sector incorporating GIS, wireless technologies, positioning systems and mobile human-computer interaction. Geo-Information (GI) Engineering is the design of dependably engineered solutions to society’s use of geographical information and underpins applications such as LBS. These are brought together in this comprehensive text that takes the reader through from source data to product delivery. This book will appeal to professionals and researchers in the areas of GIS, mobile telecommunications services and LBS. It provides a comprehensive view and in-depth knowledge for academia and industry alike. It serves as essential reading and an excellent resource for final year undergraduate and postgraduate students in GIScience, Geography, Mobile Computing or Information Systems who wish to develop their understanding of LBS. Defines the field of Location-Based Services as set within technology convergence, GIS, mobile services and the need for robustly engineered solutions. Provides in-depth understanding of all aspects of LBS: wireless networks, positioning the user, context, spatial queries, communicating services and business models. Sets a comprehensive research agenda for LBS, GIScience and GI-Engineering. An invaluable text for students, professionals and researchers looking to develop their understanding of LBS and its engineering.

Location-Based Services and Geo-Information Engineering

Wei Lu

Yuqing Zhang

Weiping Wen

Hanbing Yan

This open access book constitutes the refereed proceedings of the 17th International Annual Conference on Cyber Security, CNCERT 2021, held in Beijing, China, in AJuly 2021. The 14 papers presented were carefully reviewed and selected from 51 submissions. The papers are organized according to the following topical sections: data security; privacy protection; anomaly detection; traffic analysis; social network security; vulnerability detection; text classification.

18th China Annual Conference, CNCERT 2021, Beijing, China, July 20-21, 2021 : Revised Selected Papers

Cyber Security

Zhong e wao zhi fa jian bian

Yu Zhou

Qiaoyan Wen

Bo Lang

Li Ding

Ruiguang Li

This open access book constitutes the refereed proceedings of the 16th International Annual Conference on Cyber Security, CNCERT 2020, held in Beijing, China, in August 2020. The 17 papers presented were carefully reviewed and selected from 58 submissions. The papers are organized according to the following topical sections: access control; cryptography; denial-of-service attacks; hardware security implementation; intrusion/anomaly detection and malware mitigation; social network security and privacy; systems security.

17th China Annual Conference, CNCERT 2020, Beijing, China, August 12, 2020, Revised Selected Papers

Chao Li

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