AEIOU

1. Data Capture

1.1. Metadata Standard (SHEMA) for activity data

2. Algorithims

2.1. Identifying 'related' items in recommendation service

3. Authenticating and Tracking Users

3.1. Tracking users for recommendations across institutional repositories

3.2. Tracking users across repositories - cookies

4. Anonimity

4.1. IP address encryption - symetric shared key on servers

4.2. Exposing IP addresses in activity data