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Inferring Friendship over Mobile P hone D ata

Inferring Friendship over Mobile P hone D ata. Choompol Thongchuenjitt. Agenda. Introduction Observational Data Self-report Data Examine relationship Conclusion. Introduction. In present, mobile phone, emails, Short Message Service, instant messaging, and social network

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Inferring Friendship over Mobile P hone D ata

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  1. Inferring Friendship over Mobile Phone Data ChoompolThongchuenjitt

  2. Agenda • Introduction • Observational Data • Self-report Data • Examine relationship • Conclusion

  3. Introduction • In present, mobile phone, emails, Short Message Service, instant messaging, and social network • In past, sending letters, sending postcards, landlines calling, and conversation

  4. Observational Data • Observational Data The rapidly growing volume of electronic communication data, such as email exchange, instant messaging, mobile phones, online games, social networking or social media sites, has been a great benefit to social network analysis, • Advantages Validity – With this method in collecting data, there will be less bias than interviewing. Moreover, people will act naturally when they feel unnoticeable. Quantitativeness – With this method, the data can be collect as much as possible due to the constrains which are time and efforts • Disadvantages Accuracy – Human’s feeling is unpredictable and complex. Sometimes, it depends on the surrounding Security – Most people feel uncomfortable to be observed without permission by someone. Therefore, the security could be an important issue to collect observational data.

  5. Self-report Data • Self-report Data • A self report is a method which involves asking individual about the attitude, ideas, beliefs and feelings. There are many methods for collecting this type of data which are questionnaires, interviews, yes-or-no questions, open-and-close questions, and rating scales. • Advantages • Quickness and ease – it is easy for people to answer the yes-or-no question, and people tend to come up with answer when there is a face-to-face interactions. • Detailing – With face-to-face interactions, the interviewers can easily read interviewee’s gesture before making continuous questions for more precise information. • Disadvantages • Complexity – Sometimes, people seems uncomfortable to do questionnaires or interviewing because of the complexity and difficulties of questions which could affect the validity of the information. • Social-desirability bias - The participants may answer the questions not truthfully to portray themselves as socially acceptable.

  6. Examine relationship • Define relationship on recency • Analyze observational data • Study the relationship between behavior data and individual satisfaction

  7. Define relationship on recency

  8. Analyze The Observational Data

  9. Analyze The Observational Data

  10. Analyze The Observational Data

  11. Relationship between behavior data and individual satisfaction

  12. Conclusion • Firstly, humans’ feelings are sensitive and unpredictable. Therefore, the observational data may not accurate as much as self-report data. • Secondly, the privacy is a security issue that can interrupt to collect observational data.

  13. Thank you for your attention

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