scholarly journals Personal Information Leaks with Automatic Login in Mobile Social Network Services

Entropy ◽  
2015 ◽  
Vol 17 (6) ◽  
pp. 3947-3962 ◽  
Author(s):  
Jongwon Choi ◽  
Haehyun Cho ◽  
Jeong Yi
Keyword(s):  
Social Network ◽  
Personal Information ◽  
Network Services ◽  
Mobile Social Network ◽  
Social Network Services ◽  
Automatic Login

scholarly journals Privacy-Preserving of Check-in Services in MSNS Based on a Bit Matrix

2015 ◽  
Vol 15 (2) ◽  
pp. 111-118
Author(s):  
Chen Wen
Keyword(s):  
Social Network ◽  
Network Services ◽  
Mobile Social Network ◽  
Personal Privacy ◽  
Privacy Requirements ◽  
Privacy Leakage ◽  
Social Network Services ◽  
Real World Datasets ◽  
Method Accuracy ◽  
The Cost

Abstract Check-in service, being one of the most popular services in Mobile Social Network Services (MSNS), has serious personal privacy leakage threats. In this paper check-in sequences of pseudonym users were buffered, and a bit matrix for buffered check-in sequences was built, which can achieve privacy guarantee of k-anonymity. The method guarantees that the number of lost check-in locations is minimized while satisfying users’ privacy requirements. Besides, it also reduces the cost of finding a trajectory k-anonymity set. At last, the results of a set of comparative experiments with (k, δ)-anonymity on real world datasets show the method accuracy and efficiency.

Factors affecting the diffusion of mobile social network services in an aging society: value of informative, hedonic and ubiquitous services

2021 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Hyeyoon Bae ◽  
Sang Hyun Jo ◽  
Hyun Joo Jung ◽  
Euehun Lee
Keyword(s):  
Older Adults ◽  
Social Network ◽  
Mobile Services ◽  
Network Services ◽  
Mobile Social Network ◽  
Middle Aged ◽  
Content Type ◽  
Factors Affecting ◽  
Continued Use ◽  
Social Network Services

Purpose This paper aims to identify factors affecting the continued intention to use mobile social network services (m-SNS) among middle-aged and older adults in Korea, based on the focal characteristics of mobile services and SNS. Design/methodology/approach Data were collected through an online questionnaire to understand m-SNS usage from 358 people aged over 40 years in Korea. Findings Results show that middle-aged and older users of m-SNS are strongly motivated to seek information; they prefer to use m-SNS on a habitual basis because of the ubiquitous connectivity of mobile services. Furthermore, they perceive the usefulness of m-SNS in expanding their social networks. These results can be used to identify factors that affect continued use of m-SNS by the middle-aged and older generation in Korea. Originality/value This paper expands the literature on SNS acceptance among middle-aged and older adults, the population that, in future, is expected to constitute the majority of m-SNS users. This paper can also help understand factors that affect mature consumers’ continued use of m-SNS.

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