1. www.sti-innsbruck.at © Copyright 2012 STI INNSBRUCK www.sti-innsbruck.at Facebook Usage for identification, personalization and recommendation

2. www.sti-innsbruck.at Facebook in general Follows Linked Data principle:  Use URIs as names for things  Use HTTP URIs so that people can look up those names.  When someone looks up a URI, provide useful information, using the standards  Include links to other URIs. so that they can discover more things. e.g. http://www.facebook.com/dieter.fensel http://www.facebook.com/dieter.fensel (owl:sameAs) http://www.facebook.com/1203596896http://www.facebook.com/1203596896 –http://www.facebook.com/1552553932796http://www.facebook.com/1552553932796 –http://www.facebook.com/130041517007991http://www.facebook.com/130041517007991 2

3. www.sti-innsbruck.at Facebook for identification 3 Login with Facebook – the three steps: Facebook needs to authenticate the user. Facebook needs to authenticate your website. The user must explicitly authorize your website to access their information.

4. www.sti-innsbruck.at Hands on: how to get the magic... 4 ACCESS TOKEN

5. www.sti-innsbruck.at 5 Websites & Apps What do we do with an ACCESS TOKEN? https://graph.facebook.com/dieter.fensel/?access_token=...https://graph.facebook.com/dieter.fensel/?access_token Profile feed (Wall): https://graph.facebook.com/dieter.fensel/feed?access_token=... https://graph.facebook.com/dieter.fensel/feed?access_token Friends Likes: https://graph.facebook.com/dieter.fensel/likes?access_token= https://graph.facebook.com/dieter.fensel/likes?access_token... and a LOT more (http://developers.facebook.com/docs/authentication/permissions/)http://developers.facebook.com/docs/authentication/permissions/

6. www.sti-innsbruck.at Personalization & Recommendation Using FB Likes/Posts/Feeds/Statuses/ Religious PoVs and the same for their friends etc. bares a huge potential Many web sites use Facebook to identify users (often in a subtle way) – “Login with Facebook” Apps are able to access sensitive information about your friends. 6