iletken @ strands $100k call for recommender start-ups - recsys08
TRANSCRIPT
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Personally Relevant Content
Based On Social Connections
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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
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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
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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
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Thanks
•Focus on developing the recommendation system.•Add value to your social network.
For more information: www.iletken-project.com
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Questions?
• New User/Critical Mass Poblem• Social Capital• Importance of Trust• Why Different• Chinese Song Problem• Social Noise
Thanks
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Critical Mass ProblemBACK
Solution: Hybrid Engine
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Trust is ValueBACK
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Social CapitalBACK
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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
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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
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Social Noise
• Iletken uses Social Noise instead of Random
BACK
Noise = Random(t);vs
Noise = Social Capital