1. Cross-linking Folksonomies Harith Alani

2. Multiple SNS Accounts del.icio.us

3. Open Social Networks? Strong push towards opening up social networking to support portability of data across various sites The race is on: – Google: Open Social API: a common API for all social networking sites to use Social Graph API: for tracing public connections between people across various sites Friend Connect: code for fast and easy deployment of social networking spaces on websites – MySpace: Data Availability Allows users to select other sites to share their MySpace profiles with In partnership with eBay, Yahoo!, Twitter, and Photobucket – Facebook: Connect Allows users to connect their profiles to other sites using various authentication and privacy controls – Data Portability: to promote openness and sharing of identity, photos, tags, videos, etc. Develops protocols, standards, best practices, Supported by Facebook, Google, Flickr, LinkedIn, MySpace, Google, Twitter, Microsoft, and many others

4. Social Network Aggregators

5. folksonomy  folksonomy Cross-folksonomy analysis for: – Community identification – Tag evolution tracking – Influence of folksonomies – Richer user profiling – Personalised Recommendations – Security!