Then, we can extend the concept of interactivity, already utilized to describe one of the properties of a hypertextual page, to the whole hypertext. We can say that a hypertext is interactive because it allows the reader to choose for his or her own personal and often unique path of navigation through the nodes, and for the operations to carry out with the object-nodes present in each page-node.
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See that post with different algorithms in metabole
See the journal French Metablog with today different posts