Encyclopedia of Social Network Analysis and Mining

2018 Edition
| Editors: Reda Alhajj, Jon Rokne

Crowdsourcing and Social Networks

  • Nishanth Sastry
Reference work entry
DOI: https://doi.org/10.1007/978-1-4939-7131-2_259



A portmanteau word combining “crowds” and “outsourcing,” first used by Jeff Howe in an article in Wired, in 2006. This refers to methods of obtaining information or procedural help in solving problems from a crowd or group of humans. Members of the crowd are usually compensated implicitly or explicitly for their efforts and may have no relation with each other or may be connected by means of social or other connections

Human computation

Performing a computational task by involving humans as data sources or computational elements

Participatory sensing

Collaborative sensing activity where humans perform the role of sensors in a traditional sensor network


A portmanteau word combining “producers” and “users.” This refers to users in certain systems, who may also be responsible for producing content. In many cases, producers create shared value for each other, for example, by annotating or curating content on a social media website


Howe, who...

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Copyright information

© Springer Science+Business Media LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of InformaticsKing’s College LondonLondonUK

Section editors and affiliations

  • Przemysław Kazienko
    • 1
  • Jaroslaw Jankowski
    • 2
  1. 1.Department of Computer Science and Management, Institute of InformaticsWrocław University of TechnologyWrocławPoland
  2. 2.Faculty of Computer Science and Information TechnologyWest Pomeranian University of TechnologySzczecinPoland