Central Login for PPP* *Pittsburgh Personalized Portal Michael V. Yudelson PAWS Meeting on 2006-10-30

Motivation The number of adaptive applications provided by PAWS grows Most applications maintains user model Almost all store user credentials etc. Users prefer to have ONE login/password Storing user identities centrally – logical, saves efforts, proven to be practical Michael V. Yudelson (C) 2006

Note User identity ≠ User model/profile Central store is not intended for application specific information If you do not directly use some information about the user, why should you collect it and/or maintain it? Michael V. Yudelson (C) 2006

What’s User Identity? Mandatory fields Recommended fields Name: Last, First M.I. Login Password – digested Recommended fields Email Optional Fields Organization, City, Country, How did you learn about us Anything else? Michael V. Yudelson (C) 2006

What else? Groups Group-User links Group Name Michael V. Yudelson (C) 2006

What’s CUIS can do for you ADAPT2 integration Adding new users to existing groups Checking user credentials and issuing Session ID for modeling users on CUMULATE2 Michael V. Yudelson (C) 2006

What you can do for CUIS Provide information about your users Do not duplicate users in your database (otherwise what’s the point) Instead reference user identities by URI URI=namespace+login Michael V. Yudelson (C) 2006