Hypertextual images

Though some theoretical discussions of hypertext have suggested that the label "hypertext" refers not just to linked alphanumeric data but also to linked texts that include images and other media, few theoretical studies of hypertext's linking capabilities have actually addressed the specific characteristics of hyperlinks whose linked elements include images. Until relatively recently, in fact, most of them have tended to focus almost exclusively on hypertext--in the narrow alphanumeric sense.

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See that post with different algorithms in metabole

See the journal French Metablog with today different posts