1. Okkyung Choi, Kangseok Kim, Duksang Wang, Hongjin Yeh and Manpyo Hong Received 05 Jan 2011; Accepted 07 Feb 2012

2. Introduction Related Work Social Network Formal Model Personalized Mobile Information Retrieval System Implementation Results Experimental Results and Analysis Conclusions 2

3. Social Network – Nodes 、 Links Analyze characteristics, then Develop – Accurate Efficient personalized information – SNS records 、 prioritized 、 correct & promote Semantic web → Semantic Retrieval 3

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5. Personalization methods – Rule‐based & content‐based system – Social tagging system – Based ontology to score Social network model – Fuzzy theory – Granular computing 5

6. Problem & Solution – Milk 、 Apple Structural Modeling – Node 、 Link 6

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12. Personalization – Preferences of users & Relevance to context Prevalence of The Internet – More reliable & Logical data Utilizing Data Stored in NFC – Fast & Accurate Future Research – Screen interface : Need in detail – More detailed division – Design a methodology : Examine inefficiently 、 More exact system SNS + NFC Smartphone – Payments by touching a NFC tag 12

13. Personalized Android + GoogleMapAPI Build a Registry to Store private preference By Score it to Upgrade it 13

14. Thank you for listening 14