Thesis full text PDF (in Italian) - Politecnico di Milano

ü fb_post_tag_received: contains information related to the number of tagsreceived by other users. Since no time references are available, the tablememorizes, for each user, the “init” value and the subsequent upgrades.ü fb_event_joined: memorizes information related to all the events joined by theuser. The availability of the creation time permits to reconstruct all the user’sevents joined history.ü fb_video: contains information about videos uploaded by the user. Since thecreation time is available the complete videos’ uploads history can bereconstruct.ü fb_video_tag: memorizes information about videos in which the user istagged. The presence of the creation time enables the complete reconstructionof the user’s video tags history.ü fb_photo: contains information about the number of photo uploaded by theuser. No temporal references are available.ü fb_photo_tag: memorizes the photo tags received by the user. Due to theavailability of the creation time is possible to reconstruct the completephoto’s tags history.ü fb_page_fan: contains information about the number of pages which the useris fan and the subsequent upgrades.ü fb_link: memorizes the links published by the user on the social platform. Thepresence of the creation time permits the complete reconstruction of theuser’s links history.ü fb_like: contains the number of “I’d like” received for the post published bythe user. Temporal references are implicitly given by the date associated tothe posts.64