Table 1.

Data fields extracted from the HIV bar

HIV_User	HIV_Comment	HIV_Reply
User_id (user’s id)	Comment_id (comment id)	Reply_id (reply id)
Name (user’s name)	Post_id (post to which it belongs)	Comment_id (comment to which it belongs)
Sex (user’s sex)	Floor (the floor in its post)	Author_id (author’s id)
Level (user’s level in HIV bar)	Author_id (author’s id)	Reply_to_whom (user the author replies to)
URL (URL of user’s homepage)	Content (comment content)	Content (reply content)
	Time (comment time)	Time (reply time)
	Reply_num (number of replies)
	Open_type (terminal type)