Analysis of Call History Usage for 3,000 Households at Risk of Solitary Death
Using Mobile Phone Call Records

Seongbuk-gu officially launched the "Smart Check-in for Vulnerable Groups" service on the 1st, providing thorough welfare check-in services using artificial intelligence (AI) and information technology (IT). On the 2nd, after a demonstration at the Seongbuk-gu Office, Lee Seung-ro, Mayor of Seongbuk-gu (center), and staff announced the start of the service. Provided by Seongbuk-gu.

Seongbuk-gu officially launched the "Smart Check-in for Vulnerable Groups" service on the 1st, providing thorough welfare check-in services using artificial intelligence (AI) and information technology (IT). On the 2nd, after a demonstration at the Seongbuk-gu Office, Lee Seung-ro, Mayor of Seongbuk-gu (center), and staff announced the start of the service. Provided by Seongbuk-gu.

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Seongbuk-gu, Seoul (Mayor Lee Seung-ro) announced on the 2nd that it has started the "Smart Vulnerable Group Check-in" service this month, targeting 3,000 households in the district, including single-person households at risk of solitary death.


The Smart Vulnerable Group Check-in service analyzes mobile phone call and reception records and automatically makes a check-in call if there is no communication record. It is a system that dispatches assistance in case of emergency. The call and reception records are checked at customized intervals of 1 to 3 days for each target, and if a crisis situation is detected, an immediate alert is sent to the local community center staff, who then conduct additional check-ins such as home visits. At the same time, the emergency call function of the mobile application is activated to monitor and assist responses in cooperation with administration, police, and fire departments.


This service was selected as the best idea at the Seongbuk Policy Audition held by Seongbuk-gu in May. Jo Yeon-hee from the Welfare Planning Team reviewed cases from other districts to prevent solitary deaths and proposed a customized system suitable for Seongbuk-gu’s situation.


On the 2nd, a demonstration was held at the Seongbuk-gu Mayor’s office to inspect the entire check-in process, including continuous monitoring functions such as daily life data collection, the automatic check-in call process, and confirmation requests through system alerts when a crisis is detected, as well as the input of handling results by the responsible staff.


With the full launch of the system, the district has also established a more thorough check-in system by providing additional devices such as door opening sensors for high-risk groups.



Mayor Lee Seung-ro said, “I believe that the ‘Smart Vulnerable Group Check-in’ service, proposed and operated directly by our staff for the safety of Seongbuk residents, will further strengthen Seongbuk’s welfare network,” and added, “We will continue to show interest and effort in discovering policies for a better life for Seongbuk residents.”


This content was produced with the assistance of AI translation services.

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