Disaster detecting system using social media

摘要

The present invention relates to a system for detecting and preventing a disaster using information provided by users in a social media site such as Twitter, A data collecting and classifying unit 200 for detecting a disaster keyword in real time in a social media such as Twitter; A topic-specific document database 300 for classifying and storing articles in which disaster keywords are continuously classified according to topics; By analyzing the relevance between the disaster and the location information by extracting the location information on the articles collected based on the data of the topic-specific document database 300, analyzing the occurrence time of the text, (400); By measuring the frequency of occurrences for a predetermined period of time on the articles collected on the basis of the data of the topic-specific document database 300, comparing the preliminarily learned threshold value with the calculated value of the probability distribution of the past data, And a rising topic detector (500) for determining a disaster detection system using social media.