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Networks, Crowds and Markets

Networks, Crowds and Markets. Undergraduate Seminar in Computer Science Prof. Ronitt Rubinfeld. What are we here for?. Connections. Taken from http ://thenextweb.com/socialmedia/2013/11/24/facebook-grandparents-need-next-gen-social-network/. Networks. Social networks

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Networks, Crowds and Markets

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  1. Networks, Crowds and Markets Undergraduate Seminar in Computer Science Prof. Ronitt Rubinfeld

  2. What are we here for?

  3. Connections Taken from http://thenextweb.com/socialmedia/2013/11/24/facebook-grandparents-need-next-gen-social-network/

  4. Networks • Social networks • Connections are “friendship”, “know each other”, “family” • A question: “How important is geography?” • Financial networks • Connections are “bank1 took a loan from bank2” • A question: How susceptible to disruptions, cascading failures, financial crises? • Information networks • Connections are readership, web links • A question: How reliable?

  5. How to represent a network? Know one another people Network connection computers Loan from each other banks Facebook pages Friendship Wireless routers Can communicate • Graph theory: • Nodes are entities • Edges are connections

  6. Some boring details… • Text is Easley and Kleinberg “Networks, Crowds and Markets” • Talk should be about 45 min • Give a practice talk privately for me on Sunday before (this should not be your first practice talk!) • Will focus on social and information network analysis • Less on game theory, markets and auctions

  7. Giving a talk • Main question: are we awake? • Good material • Delivery: Can we follow? • Monotone voice • Impossible to read slides • Slides organization • Use bullets • How to use vullets? • Must write anything you want them to remember • Ok to rfepeat a definition on board or on slide • At least 24 point font • Practice the talk – at least 2-3 times

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