Journal of Digital Contents Society (디지털콘텐츠학회 논문지)

Digital Contents Society (한국디지털콘텐츠학회)
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Leveraging Social Media for Enriching Disaster related Location Trustiness

재난 관련 위치 신뢰도 향상을 위한 소셜 미디어 활용

  • Nguyen, Van-Quyet (Department of Electronics and Computer Engineering, Chonnam National University) ;
  • Nguyen, Giang-Truong (Department of Electronics and Computer Engineering, Chonnam National University) ;
  • Nguyen, Sinh-Ngoc (Department of Electronics and Computer Engineering, Chonnam National University) ;
  • Kim, Kyungbaek (Department of Electronics and Computer Engineering, Chonnam National University)
  • Received : 2017.04.18
  • Accepted : 2017.06.25
  • Published : 2017.06.30
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Abstract

Location-based services play an important role in many applications such as disaster warning systems and recommendation systems. These applications often require not only location information (e.g., name, latitude, longitude, etc.) but also the impact of events (e.g., earthquake, typhoon, etc.) on locations. Recently, to provide the impact of an event on a location, how to calculate location trustiness by using multimodal information such as earthquake information and disaster sensor data is researched. In the previous approach, the linear decrement of impact value of an event is applied to obtain the location trustiness of a specific location. In this paper, we propose a new approach to enrich location trustiness, that is, the impact of an event on a location, by using social media information additionally. Firstly, we design a collecting system for earthquake information and social media data. Secondly, we present an approach of location trustiness calculation based on earthquake information. Finally, we propose a new approach to enrich location trustiness by augmenting the trustiness in spatially distributed manner based on social media.

위치기반 서비스는 재난 경보 시스템 및 추천시스템 등의 다양한 응용에서 중요한 역할을 한다. 이들 응용들은 위치정보(위도, 경도 등) 뿐만 아니라 위치에 대한 사건(지진, 태풍 등)의 영향력을 필요로 한다. 최근 이러한 위치에 대한 사건의 영향력을 제공하기 위해, 다양한 형태의 정보(지진 정보와 센서 정보)를 이용한 위치 신뢰도 계산 방법이 연구 되었다. 이전의 연구에서는 사건의 영향을 선형으로 감소시키는 형태로 위치 신뢰도를 계산하였다. 이 논문에서는 소셜 미디어를 추가적으로 활용하여 사건의 위치에 대한 영향력, 즉 위치 신뢰도를 향상 시키는 만드는 방법을 제안하였다. 우선 지진정보와 소셜 미디어 데이터를 수집하는 시스템을 설계하였다. 두번째로, 지진정보에 기반한 위치 신뢰도 계산 방법을 소개하였다. 최종적으로 소셜 미디어에 기반하여 공간적으로 분산되는 형태로 신뢰도를 증강시키는 방법을 통해 위치 신뢰도 정보를 더욱 풍부하게 제공하는 방법을 제안하였다.

Keywords

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