The problem of privacy in social networks is well documented within literature;users have pri- vacy concerns however, they consistently disclose their sensitive information and leave it open to unintended third partie...The problem of privacy in social networks is well documented within literature;users have pri- vacy concerns however, they consistently disclose their sensitive information and leave it open to unintended third parties. While numerous causes of poor behaviour have been suggested by re- search the role of the User Interface (UI) and the system itself is underexplored. The field of Per- suasive Technology would suggest that Social Network Systems persuade users to deviate from their normal or habitual behaviour. This paper makes the case that the UI can be used as the basis for user empowerment by informing them of their privacy at the point of interaction and remind- ing them of their privacy needs. The Theory of Planned Behaviour is introduced as a potential theoretical foundation for exploring the psychology behind privacy behaviour as it describes the salient factors that influence intention and action. Based on these factors of personal attitude, subjective norms and perceived control, a series of UIs are presented and implemented in con- trolled experiments examining their effect on personal information disclosure. This is combined with observations and interviews with the participants. Results from this initial, pilot experiment suggest groups with privacy salient information embedded exhibit less disclosure than the control group. This work reviews this approach as a method for exploring privacy behaviour and propos- es further work required.展开更多
Perceived risk is an important concept in consumer behavior in online shopping. It impedes the adopting online shopping. A structure model with seven factors of consumer's perceived risk in online shopping is deve...Perceived risk is an important concept in consumer behavior in online shopping. It impedes the adopting online shopping. A structure model with seven factors of consumer's perceived risk in online shopping is developed in this paper. The results have the descriptive power about Chinese consumers' perceived risk in Internet shopping and provide framework for managerial use in China's e-commerce market environment.展开更多
On-line heating rolling mill which could efficiently preheat sheet and apply tensile force on both ends of the sheet along rolling direction(RD)was used to investigate the effect of tension on mechanical behavior and ...On-line heating rolling mill which could efficiently preheat sheet and apply tensile force on both ends of the sheet along rolling direction(RD)was used to investigate the effect of tension on mechanical behavior and shape quality of magnesium sheets.For revealing the infl uence mechanism,many analysis techniques including optical microscope,electron backscattered diffraction,macrotexture and transmission electron microscope were performed.The shape defect,edge wave,could be eliminated under higher tension along RD,which was attributed to more uniform distribution of microstructure and microstrain.Nevertheless,it is undesirable that the forward tensile force exceeds 3 kN in present work because the strength decreased for high recrystallization level when the tensile force is beyond this value.Furthermore,the main deformation mode was still slip during rolling process despite of accompanying twining,e.g.,double twins,but more prismatic slip activated when tensile force exceeds 3 kN.The distribution of shear bands was affected by the applied tensile force that they appear as"V"shape along RD at a low forward or backward tensile force,while they appear as reticulate shape under applied tensile force of 5 kN.展开更多
文摘The problem of privacy in social networks is well documented within literature;users have pri- vacy concerns however, they consistently disclose their sensitive information and leave it open to unintended third parties. While numerous causes of poor behaviour have been suggested by re- search the role of the User Interface (UI) and the system itself is underexplored. The field of Per- suasive Technology would suggest that Social Network Systems persuade users to deviate from their normal or habitual behaviour. This paper makes the case that the UI can be used as the basis for user empowerment by informing them of their privacy at the point of interaction and remind- ing them of their privacy needs. The Theory of Planned Behaviour is introduced as a potential theoretical foundation for exploring the psychology behind privacy behaviour as it describes the salient factors that influence intention and action. Based on these factors of personal attitude, subjective norms and perceived control, a series of UIs are presented and implemented in con- trolled experiments examining their effect on personal information disclosure. This is combined with observations and interviews with the participants. Results from this initial, pilot experiment suggest groups with privacy salient information embedded exhibit less disclosure than the control group. This work reviews this approach as a method for exploring privacy behaviour and propos- es further work required.
文摘Perceived risk is an important concept in consumer behavior in online shopping. It impedes the adopting online shopping. A structure model with seven factors of consumer's perceived risk in online shopping is developed in this paper. The results have the descriptive power about Chinese consumers' perceived risk in Internet shopping and provide framework for managerial use in China's e-commerce market environment.
基金financially supported by the National Science Foundation for Young Scientists of China(No.51701027)the National Key Research and Development Program of China(No.2017YFF0209100)+2 种基金the National Defense Basic Scientific Research Program of Chinathe Fundamental Research Funds for the Central Universities Project(No.2020CDJQY-A002)the Shanghai Rising—Star Program(No.18QB1401400)。
文摘On-line heating rolling mill which could efficiently preheat sheet and apply tensile force on both ends of the sheet along rolling direction(RD)was used to investigate the effect of tension on mechanical behavior and shape quality of magnesium sheets.For revealing the infl uence mechanism,many analysis techniques including optical microscope,electron backscattered diffraction,macrotexture and transmission electron microscope were performed.The shape defect,edge wave,could be eliminated under higher tension along RD,which was attributed to more uniform distribution of microstructure and microstrain.Nevertheless,it is undesirable that the forward tensile force exceeds 3 kN in present work because the strength decreased for high recrystallization level when the tensile force is beyond this value.Furthermore,the main deformation mode was still slip during rolling process despite of accompanying twining,e.g.,double twins,but more prismatic slip activated when tensile force exceeds 3 kN.The distribution of shear bands was affected by the applied tensile force that they appear as"V"shape along RD at a low forward or backward tensile force,while they appear as reticulate shape under applied tensile force of 5 kN.
