Table 6.

Finding of Trending topics exploratory analyses works

Authors	Year	Findings
Asur et al. [5]	2011	- Trending topics are driven by a log-normal distribution - Trending topics have a decay of a geometric distribution - The most important attribute is the retweet by other users - The number of followers and tweet-rate of users does not provoke trends - The most content shared is news from traditional media
Wilkinson and Thelwall [40]	2012	Twitter follows identical pattern to media news
Annamoradnejad and Habibi [4]	2019	- Half of the trending topics were a single word - On average the trending topics had 30 characters and 2 words - Approximately a trending topic needed 36.2 minutes to get to top 10 and 91.5 minutes to be at top 1 - 977 trending topics in 1 year got to rank 1 in less than 10 minutes - A trending topic emerge 1.5 times - The longer duration of a trending topic was 30 hours