zerozero88 twitter url item recommender
DESCRIPTION
TRANSCRIPT
+University of Minnesota!
Palo Alto Research Center! ^MIT CSAIL!
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• Social Information Streams!
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Follower and Followee!
follows
Follower Followees
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URL Sources
Topic Relevance Scores
Recommendation Engine
Multiply scores Rank URLs using multiplied scores Recommend highest ranked URLs
Social Network Scores
User Topic Profiles
Local Social Network
Component Possible Design Choices
URL Sources FoF (followee-of-followees) Popular
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URL Sources
Topic Relevance Scores
Recommendation Engine
Multiply scores Rank URLs using multiplied scores Recommend highest ranked URLs
Social Network Scores
User Topic Profiles
Local Social Network
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Component Possible Design Choices
Topic Relevance Scores
Self-Topic Followee-Topic None
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URL Sources
Topic Relevance Scores
Recommendation Engine
Multiply scores Rank URLs using multiplied scores Recommend highest ranked URLs
Social Network Scores
User Topic Profiles
Local Social Network
Component Possible Design Choices
Social Network Scores
Social Voting None
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Component Possible Design Choices
URL Sources FoF (followee-of-followees) Popular
Topic Relevance Scores
Self-Topic Followee-Topic None
Social Network Scores
Social Voting None
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Recommendation Engine
Multiply scores Rank URLs using multiplied scores Recommend highest ranked URLs
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Component Possible Design Choices
URL Sources FoF (followee-of-followees) Popular
Topic Relevance Scores
Self-Topic Followee-Topic None
Social Network Scores
Social Voting None
(beta=0.22, Z=1.78, p=.08)
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(beta=0.58, Z=4.95, p<.001) (beta=0.27, Z=2.48, p=.01)
Component Possible Design Choices
URL Sources FoF (followee-of-followees) Popular
Topic Relevance Scores
Self-Topic Followee-Topic None
Social Network Scores
Social Voting None
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(beta=1.02, Z=6.53, p<.001)
Component Possible Design Choices
URL Sources FoF (followee-of-followees) Popular
Topic Relevance Scores
Self-Topic Followee-Topic None
Social Network Scores
Social Voting None
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Component Possible Design Choices
URL Sources FoF (followee-of-followees) Popular
Topic Relevance Scores
Self-Topic Followee-Topic None
Social Network Scores
Social Voting None
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Algorithms Differ Not Only in Accuracy!!
Acknowledgements!
• ASC folks at PARC!• All users of Zerozero88.com!• My labmates at the University for helping me
prepare the presentation!
• … and reach me at [email protected] for questions!!