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The Jaccard index is a statistic used for gauging the similarity and diversity of sample sets. It is defined in general taking the ratio of two sizes (areas or volumes), the intersection size divided by the union size, also called intersection over union (IoU).
Hyperconnectivity is a term invented by Canadian social scientists Anabel Quan-Haase and Barry Wellman, arising from their studies of person-to-person and person-to-machine communication in networked organizations and networked societies. [1]
Connectivism is a theoretical framework for understanding learning in a digital age. It emphasizes how internet technologies such as web browsers, search engines, wikis, online discussion forums, and social networks contributed to new avenues of learning.
Facebook can serve as a good example how connectivity is being produced and exploited by social media. Van Dijck mentions three concepts implemented in the technological side of connectivity which result in the connective structure of the platform and in the creation of its additional social and cultural dimensions.
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