iletken @ strands $100k call for recommender start-ups - recsys08
TRANSCRIPT
Personally Relevant Content
Based On Social Connections
Team
• M. Deniz OKTAR, BSc @ Koc University, Istanbul• Firat GELBAL, MSc @ TU/e, Eindhoven• Baris Can DAYLIK, BSc @ Koc University, Istanbul• Selcuk ATLI, MSc @ RPI, New York
Board of Advisors:• Prof. James Hendler, Professor in Computer Science @ RPI, TWC• Dr. Tarcan Kumkale, Assist. Prof. in Psychology @ Koc• Dr. Oznur Ozkasap, Assist. Prof. in Computer Science @ Koc
Problems
• No psychological or social aspect• Rapidly emerging online media content like
news feeds need special engine• Computation time• New user issue• Critical mass problem• Overspecialization• Explicit feedback
Value Proposition
• Wisdom of the Crowd vs. Circle of Trust• Social added value• 3-layered Hybrid Engine• Weighted social proximity graphs• Multiple social graphs for different interests• Implicit/explicit feedback
14 C
It rains heavilyin Eindhoven.
Firat says:
It rains heavilyin Eindhoven.vs
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Individual Interests
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+Politics
Technology
Music
Sports
Relevance = α Content +∙ β CF + ∙ θ ∙ SocialRelevance = α Content ∙ + β CF + ∙ θ ∙ Social
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Network Interests
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Relevance = α Content ∙ + β CF + ∙ θ ∙ SocialRelevance = α Content +∙ β CF ∙ + θ ∙ Social
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Circle of Trust Interests
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Relevance = α Content +∙ β CF ∙ + θ ∙ SocialRelevance = α Content +∙ β CF +∙ θ ∙ Social
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Interests’ Reconfiguration
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Relevance = α Content +∙ β CF + ∙ θ ∙ Social
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Interests’ Reconfiguration
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Sports Proximity
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Interests’ Reconfiguration
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Politics Proximity
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Smarter Social Ads
Social Advertising: “If your friends have it, then you will have it”
•People are influenced by their friends
•iletken captures people that most influence their friends
•Opinion leaders are easy to find
Thanks
•Focus on developing the recommendation system.•Add value to your social network.
For more information: www.iletken-project.com
Questions?
• New User/Critical Mass Poblem• Social Capital• Importance of Trust• Why Different• Chinese Song Problem• Social Noise
Thanks
Critical Mass ProblemBACK
Solution: Hybrid Engine
Trust is ValueBACK
Social CapitalBACK
Why Different
• Social Added Value
• Live Social Graphs
BACK
14 C
It rains heavilyin Eindhoven.
Firat says:
It rains heavilyin Eindhoven.vs
live updates on social graphs
Chinese Song ProblemBACK
Time
Songs of American User Relevance Songs of Chinese User
Radiohead – Paranoid Android +++ Coldplay – X&Y
Oasis – Wonderwall ++ Blur – Coffee and TV
Greenday – Good Riddance +++ Foo Fighters – Big Me
... ...
Franz Ferdiand – Take me Out
Social Noise
• Iletken uses Social Noise instead of Random
BACK
Noise = Random(t);vs
Noise = Social Capital