Table 1.

Data description.

Name	Description
_id	The unique identifier of the tweet
User_id	The unique identifier of the user who posted the tweet
Crawl_time	Crawling time of the tweet
Created_at	Creating time of tweet
Like num	The number of like at crawling time
Repost_num	The number of retweet at crawling time
Comment_num	The number of comment at crawling time
Content	The content of tweet
Origin_weibo	The _id of the origin tweet, only not empty when the tweet is a retweet one
Location_map_info	Information of latitude and longitude, only not empty when the tweet contains the location information