Transcript
Page 1: Social Network Collaborative Filtering Research Meeting

Center for E-Business TechnologySeoul National University

Seoul, Korea

Social Network Collaborative FilteringResearch Meeting

Babar Tareen2009. 02. 27.

Page 2: Social Network Collaborative Filtering Research Meeting

Copyright 2008 by CEBT

Intrestmap [2005] Uses Social Network Profile details like Hobbies and

Passions for Content Recommendation Book reading, adventure, pets, etc

Uses NLP to map content to ontology of concepts Build a Interest map by using Point Mutual Information

between different user profiles

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Page 3: Social Network Collaborative Filtering Research Meeting

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Semantic Social Collaborative Filtering [2008] Focuses on Information Retrieval User managed collections

Conceptually similar to online bookmarks Every collection has quality level User expertise on a given topic can be computed with

PageRank algorithm Quality of a collection corresponds to the expertise level

of the owner Access Control

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Page 4: Social Network Collaborative Filtering Research Meeting

Copyright 2008 by CEBT

Socialy Collaborative Filtering [Cisco White Paper 2008]

Based on Socially Relevant Gestures (SRG)

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Page 5: Social Network Collaborative Filtering Research Meeting

Copyright 2008 by CEBT

Social Network Collaborative Filtering [2007] Uses Social network as similar user set for Collaborative Filtering

Only use people from Social network as recommenders Used Amazon.com data about purchases and users’ friends Drawbacks: For very specific areas of interest, only using social

network users might not be very good Ex: Buying a book about Ontologies

We can try to give more weight to users who are in Social Network but use large number of user for CF

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Page 6: Social Network Collaborative Filtering Research Meeting

Copyright 2008 by CEBT

References H. Liu and P. Maes, “Interestmap: Harvesting social

network profiles for recommendations,” In Proceedings of the Beyond Personalization 2005 Workshop, 2005.

Sebastian Ryszard Kruk and Stefan Decker, “Semantic Social Collaborative Filtering with FOAFRealm,” Apr. 2008.

R. Zheng, F. Provost, and A. Ghose, “Social Network Collaborative Filtering,” 2007.

“Socially Collaborative Filtering: Give Users Relevant Content,” 2008.

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