Dynamic characteristics of tweeting and tweet topics

摘要: Twitter, having more than 200 million world users and 4 Korean users, is still growing fast. Because Twitter can ‘tweet’ about any topic within the 140-character limit, other who follow see tweets ‘retweet’ them, regarded as a new medium of transferring sharing information. Nevertheless, propensities to tweet or retweet remain unclear. In order investigate these propensities, we propose simple model for dynamics total number specific topics. We then observe that topics be categorized into three kinds according predictability sustainability: predictable events, unpredictable sustainable events. Comparing results with real data, infer motivated by external causes well propensities.