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What_is_Twitter__a_Social_Network_or_a_News_Media(PDF下载)

What_is_Twitter__a_Social_Network_or_a_News_Media(PDF下载)

What_is_Twitter__a_Social_Network_or_a_News_Media(PDF下载)
Trending Topics
Twitter tracks phrases, words, and hashtags that are most often mentioned and posts them under the title of “trending topics” regularly. A hashtag is a convention among Twitter users to create and follow a thread of discussion by prefixing a word with a ‘#’ character. The social bookmarking site Del.icio.us also uses the same hashtag convention.
Twitter shows a list of top ten trending topics of the moment on a right sidebar on every user’s homepage by default, unless set otherwise. Twitter does not group similar trending topics and, when Michael Jackson died, most of the top ten trending topics were about him: Michael Jackson, MJ, King of Pop, etc. Although the exact mechanism of how Twitter mines the top ten trending topics is not known, we believe the trending topics are a good representation, if not complete, of issues that draw most attention and have decided to crawl them. We collected the top ten trending topics every five minutes via Twitter Search API [36]. The API returns the trending topic title, a query string, and the time of the API request.We used the query string to grab all the tweets that mention the
trending topic. In total we have collected 4; 262 unique trending topics and their tweets.
Once any phrase, word, or hashtag appears as a top trending topic, we follow it for seven more days after it is taken off the top ten trending topics’ list.

 

What_is_Twitter__a_Social_Network_or_a_News_Media

2014-1-12 17:10 上传


 

What_is_Twitter__a_Social_Network_or_a_News_Media

2014-1-12 17:10 上传

 

What_is_Twitter__a_Social_Network_or_a_News_Media

2014-1-12 17:10 上传


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