동적 토픽 모델링과 감성 분석을 활용한전동킥보드에 대한 사회적 동향 분석
Analysis of Social Trends for Electric Scooters Using Dynamic Topic Modeling and Sentiment Analysis
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초록
마이크로 모빌리티 중 하나인 전동킥보드의 이용은 세계적으로 급격히 성장하고 있는 추세이다. 국내에서는 2018년 서울에서 서비스를 시작한킥고잉을 비롯하여 서울을 포함한 일부 대도시에서 공유킥보드 서비스를 제공하는 업체가 생기면서 전동킥보드의 이용이 크게 증가했다. 하지만,전동킥보드의 이용은 여전히 주차, 안전에 대한 문제로 인해 논란의 대상이 되고 있다. 이동수단에 대한 인식은 사용자들이 어떤 이동수단을 선택할지에도 영향을 끼치므로 전동킥보드 이용 및 공유킥보드 서비스 활성화를 위해서는 관련 이슈와 그에 대한 대중의 인식을 파악할 필요가 있다. 이에본 연구에서는 전동킥보드 관련 이슈에 대한 사회적 동향을 파악하는 것을 목표로 시간에 따른 이슈의 변동성을 고려해 동적 토픽 모델링과 감성분석을 활용하여 2014년에서 2020년까지의 전동킥보드 관련 뉴스 기사를 분석하였다. 토픽 모델링을 통해 마이크로 모빌리티 기술, 공유킥보드서비스, 킥보드 관련 규제 관련 토픽을 도출하였으며, 공유킥보드 서비스 증가와 함께 안전에 대한 이슈가 크게 불거지면서 킥보드에 대한 규제관련 토픽의 비중이 최근 들어 크게 증가함을 확인했다. 그뿐만 아니라 감성 분석을 통해 킥보드 관련 뉴스에 주로 등장하는 긍정어는 신속, 즐기다,손쉽다, 편리 등이 있고 부정어는 위협, 불법, 침해 등으로 나타나 킥보드나 공유킥보드 서비스의 편의성에는 만족하지만, 마이크로 모빌리티 서비스에서 안전, 주차 등의 문제는 여전히 해결해야하는 이슈임을 알 수 있었다. 결론적으로, 본 연구를 통해 전동킥보드에 대한 이슈와 그에 대한 관심과사회적 감성의 변화를 확인하고 어떤 이슈에 대한 대응이 필요한지 파악할 수 있었다. 이 연구의 분석의 틀은 향후 다양한 사회 현안에 대한 사회적동향을 파악하고 그에 대한 대응 방안을 마련하는데 활용할 수 있을 것으로 기대된다.
Abstract
An electric scooter(e-scooter), one popularized micro-mobility vehicle has shown rapidly increasing use in many cities. In South Korea,the use of e-scooters has greatly increased, as some companies have launched e-scooter sharing services in a few large cities, startingwith Seoul in 2018. However, the use of e-scooters is still controversial because of issues such as parking and safety. Since the perceptiontoward the means of transportation affects the mode choice, it is necessary to track the trends for electric scooters to make the useof e-scooters more active. Hence, this study aimed to analyze the trends related to e-scooters. For this purpose, we analyzed news articlesrelated to e-scooters published from 2014 to 2020 using dynamic topic modeling to extract issues and sentiment analysis to investigatehow the degree of positive and negative opinions in news articles had changed. As a result of topic modeling, it was possible to extractthree different topics related to micro-mobility technologies, shared e-scooter services, and regulations for micro-mobility, and theproportion of the topic for regulations for micro-mobility increased as shared e-scooter services increased in recent years. In addition,the top positive words included quick, enjoyable, and easy, whereas the top negative words included threat, complaint, and ilegal, whichimplies that people satisfied with the convenience of e-scooter or e-scooter sharing services, but safety and parking issues should beaddressed for micro-mobility services to become more active. In conclusion, this study was able to understand how issues and socialtrends related to e-scooters have changed, and to determine the issues that need to be addressed. Moreover, it is expected that theresearch framework using dynamic topic modeling and sentiment analysis will be helpful in determining social trends on various areas.
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