Why we twitter: understanding microblogging usage and communities
Proceedings of the 9th WebKDD and 1st SNA-KDD 2007 workshop on Web mining and social network analysis
Micro-blogging as online word of mouth branding
CHI '09 Extended Abstracts on Human Factors in Computing Systems
The value of socially tagged urls for a search engine
Proceedings of the 18th international conference on World wide web
How and why people Twitter: the role that micro-blogging plays in informal communication at work
Proceedings of the ACM 2009 international conference on Supporting group work
Using twitter to recommend real-time topical news
Proceedings of the third ACM conference on Recommender systems
Proceedings of the 17th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems
Proceedings of the 12th ACM/IEEE-CS joint conference on Digital Libraries
Two years of short URLs internet measurement: security threats and countermeasures
Proceedings of the 22nd international conference on World Wide Web
Stranger danger: exploring the ecosystem of ad-based URL shortening services
Proceedings of the 23rd international conference on World wide web
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Microblogging as introduced by Twitter is becoming a source of tracking real-time news. Although identifying the highest quality or most useful posts or tweets from Twitter for breaking news is still an open problem, major web search engines seem convinced of the value of such posts and have already started allocating part of their search results pages to them. In this paper, we study a different aspect of the problem for a search engine: instead of the value of the posts, we study the value of the (shortened) URLs referenced in these posts. Our results indicate that unlike frequently bookmarked URLs, which are generally of high quality, frequently tweeted URLs tend to fall in two opposite categories: they are either high in quality, or they are spam. Identifying the quality category of a URL is not trivial, but the combination of characteristics can reveal some trends.