© Copyright 2012 STI INNSBRUCK Facebook Usage for identification, personalization and recommendation

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. (owl:sameAs) – – 2

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.

Hands on: how to get the magic... 4 ACCESS TOKEN

5 Websites & Apps What do we do with an ACCESS TOKEN? Profile feed (Wall): Friends Likes: and a LOT more (

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