SUMMARYRecently, social network services are rapidly growing and this trend is expected to continue in the future. Social network data can be published for various purposes such as statistical analysis and population studies. When social network data are published, however, the privacy of some people may be disclosed. The most straightforward manner to preserve privacy in social network data is to remove the identifiers of persons from the social network data. However, an adversary can infer the identity of a person in the social network by using his/her background knowledge, which consists of content information such as the age, sex, or address of the person and structural information such as the number of persons having a relationship with the person. In this paper, we propose a privacy protection method for social network data. The proposed method anonymizes social network data to prevent privacy attacks that use both content and structural information, while minimizing the information loss or distortion of the anonymized social network data. Through extensive experiments, we verify the effectiveness and applicability of the proposed method.
This study examined the legal basis related to a physical therapist's home-based rehabilitation. Methods: The policy data were referenced to the comprehensive plan for national health promotion and the guidebook Community Health Promotion Project issued by the Korea Health Promotion Institute and other institutes. The legal data were referenced to the Bill information system on the National Assembly website. Results: The physical therapist's home-based rehabilitation did not have a legal basis in the community-based rehabilitation project (CBR) of the HP 2020 project. On the other hand, according to the Home health care part of the community health promotion project that began in 2013, physical therapists were allowed to play a role from 2020 under Article 16-2 (Public Officials in Exclusive Charge of Visiting Health Management) of the REGIONAL PUBLIC HEALTH ACT. Conclusion: Policies and laws are being developed in the field of healthcare, but the necessary policies and laws in the field of rehabilitation are still insufficient. A bill to rehabilitate in a variety of fields and spaces by modifying the scope of work of physical therapists will be needed.
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