Social Computing and Collective Intelligence Lecture 2 19 January …hirsh/classes/442/Lecture...
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Social Computing and
Collective Intelligence
Lecture 2 19 January 2012
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• Introduction: Broad overview of collective intelligence, a framework for understanding it, and its various connections to machine learning – Animals to humans images/videos
– CI mosaic (icons, then list of keywords)
– CI, crowdsourcing, human computation
– Overt vs covert • Collaborative creation
• Collaborative decision making
• Smartest in the crowd / contests
• HC and micro-labor markets
• Crowd mining
– Roles of Machine Learning 19 January 2012 Copyright 2011 Haym Hirsh 27
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Collective Intelligence Crowdsourcing
Human Computation Social Computing
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Collective Intelligence
• “groups of individuals doing things collectively that seem intelligent”
“The Collective Intelligence Genome”, Malone, Laubacher, and Dellarocas, MIT Management Review, April 1, 2010
• “How can people and computers be connected so that—collectively—they act more intelligently than any individuals, groups, or computers have ever done before?”
http://cci.mit.edu
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Collective Intelligence
• “Collective intelligence is a shared or group intelligence that emerges from the collaboration and competition of many individuals and appears in consensus decision making in bacteria, animals, humans and computer networks”
Wikipedia, “Collective Intelligence”
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Crowdsourcing
• “Crowdsourcing is the act of taking a job traditionally performed by a designated agent (usually an employee) and outsourcing it to an undefined, generally large group of people in the form of an open call.”
“The Rise of Crowdsourcing,” Jeff Howe, Wired, Jun 2006
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Crowdsourcing
• “We say that a system is a [crowdsourcing] system if it enlists a crowd of humans to help solve a problem defined by the system owners, and if in doing so, it addresses the following four fundamental challenges: – How to recruit and retain users? – What contributions can users make? – How to combine user contributions to solve the target
problem? – How to evaluate users and their contributions?”
“Crowdsourcing systems on the World-Wide Web,” Anhai Doan, Raghu Ramakrishnan, Alon Y. Halevy. Communications of the ACM,
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• “The idea behind digital computers may be explained by saying that these machines are intended to carry out any operations which could be done by a human computer.”
“Computing Machinery and Intelligence.” A.M. Turing, Mind,
59:236, (1950), 433-460.
Human Computation
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Human Computation
• Human computation is “a paradigm for utilizing human processing power to solve problems that computers cannot yet solve.”
Human Computation, Luis van Ahn. Doctoral Dissertation, Department
of Computer Science, Carnegie Mellon University (2005).
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Human Computation
• “[H]uman computation systems can be defined as intelligent systems that organize humans to carry out the process of computation.”
Human Computation, Law and van Ahn 2011
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Human Computation
• Human computation:
– The problems fit the general paradigm of computation, and as such might someday be solvable by computers.
– The human participation is directed by the computational system or process
Quinn and Bederson CHI 2011
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Social Computing
• “applications and services that facilitate collective action and social interaction online with rich exchange of multimedia information and evolution of aggregate knowledge”
Parameswaran, M. & Whinston, A.B. Social Computing: An
Overview. CAIS 19:37, (2007), 762-780
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Social Computing
• In the weaker sense of the term, social computing has to do with supporting any sort of social behavior in or through computational systems.
• In the stronger sense of the term, social computing has to do with supporting “computations” that are carried out by groups of people
Wikipedia, “Social Computing”
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Types of Collective Intelligence
• “Overt” vs “Covert”: Are human participants explicitly participating to achieve the collective outcomes, or is some form of mining of human activity achieving the collective outcomes
– Overt: Amazon reviews, Wikipedia
– Covert (“Crowd Mining”): Google, Amazon recommendations
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Types of Collective Intelligence
• “Overt” vs “Covert”: Are human participants explicitly participating to achieve the collective outcomes, or is some form of mining of human activity achieving the collective outcomes
– Overt: Amazon reviews, Wikipedia
– Covert (“Crowd Mining”): Google, Amazon recommendations
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing
• Covert / Crowd Mining – Search logs
– Social media
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing
• Covert / Crowd Mining – Search logs
– Social media
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing
• Covert / Crowd Mining – Search logs
– Social media
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing
• Covert / Crowd Mining – Search logs
– Social media
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing
• Covert / Crowd Mining – Search logs
– Social media
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing
• Covert / Crowd Mining – Search logs
– Social media
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing
• Covert / Crowd Mining – Search logs
– Social media
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing
• Covert / Crowd Mining – Search logs
– Social media
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“Prediction Markets”
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing
• Covert / Crowd Mining – Search logs
– Social media
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing
• Covert / Crowd Mining – Search logs
– Social media
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing • Individuals perform numerous small tasks that are hard
for computers and that collectively solve larger, more difficult problems
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“Games with a Purpose”
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• Introduction: Broad overview of collective intelligence, a framework for understanding it, and its various connections to machine learning – Animals to humans images/videos
– CI mosaic (icons, then list of keywords)
– CI, crowdsourcing, human computation
– Overt vs covert • Collaborative creation
• Collaborative decision making
• Smartest in the crowd / contests
• HC and micro-labor markets
• Crowd mining
– Roles of Machine Learning 19 January 2012 Copyright 2011 Haym Hirsh 96
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing
• Covert / Crowd Mining – Search logs
– Social media
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing
• Covert / Crowd Mining – Search logs
– Social media
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing
• Covert / Crowd Mining – Achieve desired outcomes by mining the observed
behaviors of people
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing
• Covert / Crowd Mining – Search logs
– Social media
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing
• Covert / Crowd Mining – Search logs
– Social media
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Types of Collective Intelligence
• Overt – Collecting
– Collaborative Creation
– Smartest in the Crowd
– Collaborative Decisions
– Human Computation and Micro-Crowdsourcing
• Covert / Crowd Mining – Search logs
– Social media
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