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249 results on '"CHEN, Shouming"'

56. Analysis of Intelligent Monitoring Model of Network Security Situation Based on Grid Power Flow

Author

Jie-sheng Zheng, Liang Yunde, Shang Gao, Chen Shouming, and Lu Yanqian

Subjects
Network information flow, Power flow, business.industry, Order (exchange), Computer science, Network security, Monitoring system, Protection system, business, Grid, Hierarchical database model, Computer network
Abstract

In order to introduce the grid power flow model to intelligently monitor the network security situation, a model based on grid power flow is established. In the construction of the network security situation intelligent monitoring system, the hierarchical database is protected and managed, the attacks brought by the network security situation are changed, and the network security situation level protection system is improved and improved. On this basis, the network trend correction factor is introduced, and the network security situation is normalized according to the network security situation value. The network information flow is processed uniformly, and the intelligent monitoring model of network security situation based on power flow is built. Compared with the traditional network security situation intelligent monitoring model, the application of network security situation intelligent monitoring model can effectively solve the uncertainty and fuzziness of information provided by various network security devices.

Published
2021

57. CEO Temporal Focus and Corporate Philanthropy: The Moderating Role of Ownership

Author

Nguyen, Luu Thi, Chen, Shouming, and Kwan, Ho Kwong

Subjects
CEO temporal focus, CEO time perspective, corporate philanthropy, ownership, corporate giving
Abstract

This study examines the association between CEO temporal focus and corporate engagement in philanthropy, and considers the moderating role of ownership. This association is investigated based on upper echelons theory and the conceptual framework of temporal focus. Using a sample of 2,285 observations of Chinese listed firms from 2010 to 2015, our results show that the relationship between CEO past focus and corporate philanthropy is positive in state-owned firms but negative in private firms. In addition, CEO future focus is negatively associated with charitable activities in state-owned firms, but positively associated with such activities in private companies. For present-oriented CEOs, the relationship between temporal focus and philanthropy is negative in both public and private firms, but the negative effect is stronger in private firms. The findings of this study show how CEOs' time perspectives shape their decisions on company engagement in philanthropic projects.

Published
2021

78. The Complexity of CEO Dark Traits: CEO Greed and Corporate Social Responsibility.

Author

Hu, Yuanyuan, Fan, Jiasi, and Chen, Shouming

Abstract

This study investigates the impact of CEO greed on corporate social responsibility (CSR) practices. Drawing insights from the existing literature on greed and CSR, we develop the argument that CEO greed exerts a heterogeneous impact on different CSR activities, namely technical CSR and institutional CSR, based on their engagement with different stakeholder groups. To further enhance our understanding of the variation in the focal relationship between CEO greed and technical (institutional) CSR, we investigate how state ownership moderates the relationships. Using a sample of 1,588 CEOs from Chinese-listed firms, we find support for the argument. [ABSTRACT FROM AUTHOR]

Published
2024
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79. A Proxy Based Connection Mechanism for Hybrid Cloud Virtual Network

Author

Chen Shouming, Qian Yang, Rui Peng, and Xiaoyu Zang

Subjects
Computer science, business.industry, Quality of service, Distributed computing, 020206 networking & telecommunications, Cloud computing, 02 engineering and technology, Energy consumption, Server, 0202 electrical engineering, electronic engineering, information engineering, Overhead (computing), Enterprise private network, Network performance, business, Virtual network, Computer network
Abstract

With the development of cloud computing, hybrid cloud has attracted extensive attention. It is a flexible collaboration of private clouds and public clouds, which can meet the increasing demands of energy consumption while reduce overhead. However, the clouds in hybrid clouds have to share data with each other. Therefore, hybrid connection mechanism remains a big issue. VPN is a common solution used as a bridge for connecting private clouds and public clouds. Using VPN to construct a direct connected network is a simple solution to implement where all the clients in hybrid cloud connect to a specified OpenVPN server residing in public cloud. Unfortunately, it will result in many problems impacting the efficiency of network. In this paper, we propose a proxy based virtual network solution. To compare the network QoS of the proxy based virtual network solution to the direct connected virtual network solution, we designed three controlled experiments measuring the bandwidth and delay time of the intra-cloud and inter-cloud communication. Then we compare the network performance of direct connected virtual network solution and proxy based virtual network with a Hadoop application on a hybrid cloud environment. The experiment result indicates that the proxy based virtual network solution outperforms the direct connected virtual network solution.

Published
2017

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