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Volume Time Series of Memetracker Phrases and Twitter Hashtags

Dataset information

Data contains the time series of the volume (the number of mention per hour) of 1,000 Memetracker phrases and 1,000 Twitter hashtags. Memetracker phrases are the 1,000 highest total volume phrases among 343 million phrases collected from Sep 2008 to Aug 2009. Twitter hashtags are the 1,000 highest total volume hashtags among 6 million hashtags from Jun to Dec 2009.

Dataset statistics of each data set
Number of time series 1,000
Length of time series 128
Time unit 1 hour

Source (citation)


File Description
MemePhr.txtMemetracker phrases
TwtHtag.txtTwitter hashtags

Data format

Each item (a phrase or a hashtag) consists of two lines. The first line describes the meta-information about the item, and the second line shows the value of time series. Values are separated by tabs.


5071230 public health... 2009-04-24 22:46:12 7 2009-04-26 18:16:12 20.980761 22.958107 24.416933 25.600956 ...