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Workshop on Online Social Networks
Microsoft Research CambridgeDecember 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
Network geometry and design, Inference of network properties, Multihoming and overlays, Wireless, Secure networks, Troubleshooting, Congestion control, Router design, DNS
Multicast and Anycast, Control mechanisms, WWW, Performance analysis, Routing, TCP, Tracing and Measurement, Header Processing
Enterprise networks, Network Applications, System design, Incentives, Routing, Architectures, Reliability, Attack protection, Resource allocation, Wireless, Network characteristics
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 contactsTagBooster
• Ranking and suggesting popular items
Systems and Networking group http://research.microsoft.com/camsys/
ALBATROSSOpportunistic Communication Services
14
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
TagBoosterSystem for ranking and suggesting popular items
apollonasaspaceflickrphotos
Item suggestions
nasapicturesapollomoon
user selection
App scenarios:• Social tagging
(videos, photos, bookmarks)• Search query popularity
Goals:• Learn true popularity ranking
(unbiased by suggestions)• Suggest true popular items• 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!
