Network intrusion forensics is an important extension to present security infrastructure,and is becoming the focus of forensics research field.However,comparison with sophisticated multi-stage attacks and volume of se...Network intrusion forensics is an important extension to present security infrastructure,and is becoming the focus of forensics research field.However,comparison with sophisticated multi-stage attacks and volume of sensor data,current practices in network forensic analysis are to manually examine,an error prone,labor-intensive and time consuming process.To solve these problems,in this paper we propose a digital evidence fusion method for network forensics with Dempster-Shafer theory that can detect efficiently computer crime in networked environments,and fuse digital evidence from different sources such as hosts and sub-networks automatically.In the end,we evaluate the method on well-known KDD Cup1999 dataset.The results prove our method is very effective for real-time network forensics,and can provide comprehensible messages for a forensic investigators.展开更多
This paper examines how digital technologies reshape export industry chains under a low-carbon orientation amid the twin transitions of digitalization and decarbonization.Integrating Ecological Modernization Theory,Tr...This paper examines how digital technologies reshape export industry chains under a low-carbon orientation amid the twin transitions of digitalization and decarbonization.Integrating Ecological Modernization Theory,Transaction Cost Economics,the Resource-Based View and Institutional Theory,it builds an analytical framework linking regulatory shocks such as the EU’s Carbon Border Adjustment Mechanism and Digital Product Passport to firm-level digital green transformation.The study identifies three mechanisms—innovation,structural optimization and resource allocation—through which AI,blockchain and product passports lower carbon intensity while reconfiguring value creation.Sectoral sketches of steel and aluminium,textiles and fashion,and electronics and batteries illustrate heterogeneous pathways and compliance pressures along global value chains.The paper also highlights rebound effects,material footprints of digital infrastructures,the digital divide and data-sovereignty concerns as risks that may erode environmental gains.It concludes with policy and managerial implications for helping export-oriented firms turn low-carbon digitalization from a cost of compliance into a source of competitiveness.展开更多
基金supported by the National Natural Science Foundation of China under Grant No.60903166 the National High Technology Research and Development Program of China（863 Program） under Grants No.2012AA012506,No.2012AA012901,No.2012AA012903+9 种基金 Specialized Research Fund for the Doctoral Program of Higher Education of China under Grant No.20121103120032 the Humanity and Social Science Youth Foundation of Ministry of Education of China under Grant No.13YJCZH065 the Opening Project of Key Lab of Information Network Security of Ministry of Public Security（The Third Research Institute of Ministry of Public Security） under Grant No.C13613 the China Postdoctoral Science Foundation General Program of Science and Technology Development Project of Beijing Municipal Education Commission of China under Grant No.km201410005012 the Research on Education and Teaching of Beijing University of Technology under Grant No.ER2013C24 the Beijing Municipal Natural Science Foundation Sponsored by Hunan Postdoctoral Scientific Program Open Research Fund of Beijing Key Laboratory of Trusted Computing Funds for the Central Universities, Contract No.2012JBM030
文摘Network intrusion forensics is an important extension to present security infrastructure,and is becoming the focus of forensics research field.However,comparison with sophisticated multi-stage attacks and volume of sensor data,current practices in network forensic analysis are to manually examine,an error prone,labor-intensive and time consuming process.To solve these problems,in this paper we propose a digital evidence fusion method for network forensics with Dempster-Shafer theory that can detect efficiently computer crime in networked environments,and fuse digital evidence from different sources such as hosts and sub-networks automatically.In the end,we evaluate the method on well-known KDD Cup1999 dataset.The results prove our method is very effective for real-time network forensics,and can provide comprehensible messages for a forensic investigators.
文摘This paper examines how digital technologies reshape export industry chains under a low-carbon orientation amid the twin transitions of digitalization and decarbonization.Integrating Ecological Modernization Theory,Transaction Cost Economics,the Resource-Based View and Institutional Theory,it builds an analytical framework linking regulatory shocks such as the EU’s Carbon Border Adjustment Mechanism and Digital Product Passport to firm-level digital green transformation.The study identifies three mechanisms—innovation,structural optimization and resource allocation—through which AI,blockchain and product passports lower carbon intensity while reconfiguring value creation.Sectoral sketches of steel and aluminium,textiles and fashion,and electronics and batteries illustrate heterogeneous pathways and compliance pressures along global value chains.The paper also highlights rebound effects,material footprints of digital infrastructures,the digital divide and data-sovereignty concerns as risks that may erode environmental gains.It concludes with policy and managerial implications for helping export-oriented firms turn low-carbon digitalization from a cost of compliance into a source of competitiveness.
