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Workshop on Online Social Networks

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					     Workshop on
Online Social Networks




 Microsoft Research Cambridge
      December 7, 2007
Thank you for participating!
           Why this workshop?
• Goals:
  – Discuss interesting future research directions
  – Identify challenges and implications for network
    and distributed systems design


• Format:
  – Highly interactive encouraging discussions
  – More questions than answers!
Real life…
...and the networking community


                                                         Enterprise networks,
                                                         Network Applications,
                                                         System design, Incentives,
                            Network geometry and         Routing, Architectures,
                            design, Inference of         Reliability, Attack
                            network properties,          protection, Resource
Multicast and Anycast,      Multihoming and overlays,    allocation, Wireless,
Control mechanisms, WWW,    Wireless, Secure networks,   Network characteristics
Performance analysis,       Troubleshooting,
Routing, TCP, Tracing and   Congestion control, Router
Measurement, Header         design, DNS
Processing
       Research on social networks
• Inter-disciplinary
   –   Sociology
   –   Economics
   –   Information retrieval
   –   Data mining

• Venues
   – ACM: KDD, SIGIR, SiGMOD, SIGCHI, EC
   – WWW
   – ...

• Why not addressed by the networking community?
Social networking services
Social networks and “networking”
• Social networks is “networking”
  • Connected components, interacting nodes, etc.

• Related topics have been studied under different
  settings...
   • P2P networks
   • Information dissemination
     • Epidemics

• Social networks:
   • Rely on human intensions...
Social networking services




                Source: Bebo, Social Media – ‘getting your message across’
              Social networking services
•   Social communities
     – Bebo, MySpace, Facebook, etc.
•   Content sharing
     – YouTube, Flickr, MSN Soapbox, etc.
•   Corporate
     – LinkedIn, Plaxo, etc.
•   Portals
     – MSN, Yahoo 360, etc.
•   Recommendation engines
     – Last.fm, StumbleUpon, Digg, Me.dium, etc.
•   Bookmarking/Tagging
     – Del.icio.us , CiteUlike, Furl, etc.
•   Discussion groups
     – Blogs, forums, chat, messaging, Live QnA, etc.
•   Mobile social networks
     – Vipera, Nokia “MOSH”, etc.
•   Virtual worlds
     – Second life
     What do social networks enable?

Leveraging the “community”
in traditional applications

•   Content/information sharing
•   Search
•   Information management
•   Recommendations
•    Advertisements
         Research topics of interest
• Identification of communities and their evolution in time
   • Measurement and analysis of online communities
   • Social media analysis: blogs and friendship networks

• Recommendation / collaborative filtering systems
   • Rating, review, reputation, and trust systems
   • Expertise / interest tracking

• Information sharing and forwarding
   • Search strategies in social networks
   • Viral marketing strategies

• Implications on network and distributed systems design
    • System design for social networks
    • Mobile social networks

• Privacy and anonymity
                        Projects on information
      search, filtering, sharing, services


         Albatross
               • Information services leveraging mobile device contacts
         TagBooster
               • Ranking and suggesting popular items

Systems and Networking group
http://research.microsoft.com/camsys/
                         ALBATROSS
             Opportunistic Communication Services




                                    Information services leveraging
                                    opportunistic communications between
                                    human-carried mobile devices.

                                    Ad-hoc/distributed community-based
                                    services with limited or no infrastructure


Related projects:
        Delay Tolerant Networking
        Haggle

                                                                            14
                                   TagBooster
System for ranking and
suggesting popular items              Item suggestions
                                      apollo
                                      nasa
                                      space
                                      flickr
                  user selection
                                      photos
                  nasa
                  pictures
                  apollo
                  moon


   Goals:                                            App scenarios:
   • Learn true popularity ranking                   • Social tagging
      (unbiased by suggestions)                         (videos, photos, bookmarks)
   • Suggest true popular items
                                                     • Search query popularity
   • Identify true popular items quickly
Workshop Program
Workshop Program
Workshop Program
 Workshop on Online Social Networks
         at SIGCOMM 2008


• CFP out soon!

• 6-page papers

• Paper deadline
  – Mid March 2008
           Why this workshop?
• Goals:
  – Discuss interesting future research directions
  – Identify challenges and implications for network
    and distributed systems design


• Format:
  – Highly interactive encouraging discussions
  – More questions than answers!

				
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