The main function of Internet of Things is to collect and transmit data.At present,the data transmission in Internet of Things lacks effective trust attestation mechanism and trust traceability mechanism of data sourc...The main function of Internet of Things is to collect and transmit data.At present,the data transmission in Internet of Things lacks effective trust attestation mechanism and trust traceability mechanism of data source.To solve the above problems,a trust attestation mechanism for sensing layer nodes is presented.First a trusted group is established,and the node which is going to join the group needs to attest its identity and key attributes to the higher level node.Then the dynamic trust measurement value of the node can be obtained by measuring the node data transmission behavior.Finally the node encapsulates the key attributes and trust measurement value to use short message group signature to attest its trust to the challenger.This mechanism can measure the data sending and receiving behaviors of sensing nodes and track the data source,and it does not expose the privacy information of nodes and the sensing nodes can be traced effectively.The trust measurement for sensing nodes and verification is applicable to Internet of Things and the simulation experiment shows the trust attestation mechanism is flexible,practical and efficient.Besides,it can accurately and quickly identify the malicious nodes at the same time.The impact on the system performance is negligible.展开更多
Sufferers’mental illnesses experience changes in communication,cognition,and behavior,exposing differences in social behavior and relationships.Many who suffer from mental health problems notice that the reduced comm...Sufferers’mental illnesses experience changes in communication,cognition,and behavior,exposing differences in social behavior and relationships.Many who suffer from mental health problems notice that the reduced communication ability leads to social inclusion and distrust of others.Online Mental Health Communities(OMHCs)facilitate a new means of communication between patients and physicians.Based on the trust source credibility framework,trust transitivity theory,social resources and physician-patient interactions,this study aims to evaluate the factors that influence patients’trust in OMHCs.We crawled the data from Haodf.com,the leading healthcare community platform in China,to study the factors that influence patients’trust using the ordinary least squares regression method.725 psychologists’records were collected on 19 November,2019,20 December,2019,and 20 May,2020.Compared with face-to-face physician appointments,Chief Physicians are more likely to gain patients’initial trust online.Further,psychologists’integrity,online reputation,and group size have significant positive impact on the initial trust of patients.Similarly,patients’online initial trust and efforts have significantly positive influences on their continuous trust online.To improve relationships between physicians and patients,physicians must strengthen their clinical abilities and be honest with patients.The findings of this study provide insights into the factors that influence patients’trust in OMHCs.展开更多
基金Supported by the National Natural Science Foundation of China(61501007)General Project of Science and Technology Project of Beijing Municipal Education Commission(KM201610005023)
文摘The main function of Internet of Things is to collect and transmit data.At present,the data transmission in Internet of Things lacks effective trust attestation mechanism and trust traceability mechanism of data source.To solve the above problems,a trust attestation mechanism for sensing layer nodes is presented.First a trusted group is established,and the node which is going to join the group needs to attest its identity and key attributes to the higher level node.Then the dynamic trust measurement value of the node can be obtained by measuring the node data transmission behavior.Finally the node encapsulates the key attributes and trust measurement value to use short message group signature to attest its trust to the challenger.This mechanism can measure the data sending and receiving behaviors of sensing nodes and track the data source,and it does not expose the privacy information of nodes and the sensing nodes can be traced effectively.The trust measurement for sensing nodes and verification is applicable to Internet of Things and the simulation experiment shows the trust attestation mechanism is flexible,practical and efficient.Besides,it can accurately and quickly identify the malicious nodes at the same time.The impact on the system performance is negligible.
基金supported by the National Natural Science Foundation of China(Grant Nos.:71971092 and 72001087).
文摘Sufferers’mental illnesses experience changes in communication,cognition,and behavior,exposing differences in social behavior and relationships.Many who suffer from mental health problems notice that the reduced communication ability leads to social inclusion and distrust of others.Online Mental Health Communities(OMHCs)facilitate a new means of communication between patients and physicians.Based on the trust source credibility framework,trust transitivity theory,social resources and physician-patient interactions,this study aims to evaluate the factors that influence patients’trust in OMHCs.We crawled the data from Haodf.com,the leading healthcare community platform in China,to study the factors that influence patients’trust using the ordinary least squares regression method.725 psychologists’records were collected on 19 November,2019,20 December,2019,and 20 May,2020.Compared with face-to-face physician appointments,Chief Physicians are more likely to gain patients’initial trust online.Further,psychologists’integrity,online reputation,and group size have significant positive impact on the initial trust of patients.Similarly,patients’online initial trust and efforts have significantly positive influences on their continuous trust online.To improve relationships between physicians and patients,physicians must strengthen their clinical abilities and be honest with patients.The findings of this study provide insights into the factors that influence patients’trust in OMHCs.
