# Collecting a Large Scale Dataset for Classifying Fake News Tweets Using Weak Supervision
## Appendix A Features
\begin{table}
\begin{tabular}{l l} \hline \hline
**Feature Name** & **Description** \\ \hline has\_desc & True if the user uses a description \\ \hline has\_location & Flag to indicate whether there is a user-defined location or not \\ \hline desc\_contains\_hashtags & Specifies if there are hashtags within the description \\ \hline desc\_contains\_user\_mention & Specifies if there are user mentions in the description \\ \hline desc\_contains\_url & Specifies if there is an URL in the description \\ \hline desc\_length & Counts the characters in the description \\ \hline url\_length & Specifies the length of the user URL \\ \hline has\_url & If true, the user stated a profile URL. \\ \hline has\_list & If true, the user was included in at least one list \\ \hline has\_favourites & If true, the account has liked tweets during its life time \\ \hline has\_friends & If true, the user follows other accounts \\ \hline favourites\_per\_follower & Ratio between liked tweets and follower count \\ \hline friends\_per\_follower & Ratio between the number of accounts the account follows and its follower count \\ \hline is\_following\_more\_than\_100 & Indicates that the account follows at least 100 Twitter users \\ \hline avg\_user\_mention\_per\_tweet & States the average number of user mentions per tweet in the collected data \\ \hline avg\_hashtags\_per\_tweet & States the average number of hashtags per tweet in the collected data \\ \hline avg\_urts\_per\_tweet & States the average number of URLs an account uses in the collected tweets \\ \hline percent\_with\_url & States the ratio of the collected tweets that contains an URL. \\ \hline percent\_with\_hashtag & States the ratio of the collected tweets that contain a hashtag \\ \hline percent\_with\_user\_mention & States the ratio of the collected tweets that contains a user mention \\ \hline created\_days\_ago & The number of days since the creation of the account. Depends on the time this feature was created. \\ \hline created\_hour\_of\_day & The hour the account was created in UTC time \\ \hline avg\_post\_time & States the average post time of the user. If present, the UTC offset was taken into account otherwise the most frequent UTC offset across all collected accounts was \\ \hline tweets\_per\_day & States the average number of status updates per day. The first and last day of the user’s collected tweets were omitted since they might not be complete. \\ \hline tweets\_per\_week & States the average number of status updates per week. The first and last week of the user’s collected tweets were omitted since they might not be complete. \\ \hline tweets\_per\_month & States the average number of status updates per month. The first and last month of the user’s collected tweets were omitted since they might not be complete. \\ \hline min\_time\_between\_tweets & States the minimum time between two of the user’s tweets in minutes \\ \hline max\_time\_between\_tweets & States the maximum time between two of the user’s tweets in minutes \\ \hline median\_time\_between\_tweets & States the median time between two of the user’s tweets in minutes \\ \hline avg\_time\_between\_tweets & States the average time between two of the user’s tweets in minutes \\ \hline nr\_of\_retweets & States the number of retweets that were collected from the account \\ \hline nr\_of\_retweets\_per\_tweet & The ratio between the frequency of retweets and the number of tweets in the collected data \\ \hline nr\_of\_quotes & States the number of quotes that were collected from the account \\ \hline nr\_of\_quotes\_per\_tweet & The ratio between the frequency of quotes and the number of tweets in the collected data \\ \hline nr\_of\_repiles & States the number of replies that were collected from the account \\ \hline nr\_of\_repiles\_per\_tweet & The ratio between the frequency of replies and the number of tweets in the collected data \\ \hline has\_profile\_background\_image & States whether a background image is used \\ \hline is\_translator\_type\_regular & If true, the user has type _regular_ in the Twitter translator community \\ \hline tweets\_in\_different\_lang & If true, the account uses different languages in its tweets. A tweet’s languages is automatically specified by Twitter. \\ \hline uses\_retweets & If true, the collected data contains retweets by this account \\ \hline uses\_quotes & If true, the collected data contains quotes by this account \\ \hline uses\_replies & If true, the collected data contains replies by this account \\ \hline url\_tld\_type & If false, the user’s URL has a _generic_ top level domain otherwise its type is _country-code_ \\ \hline \hline \end{tabular}
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