Virtual and Augmented Reality have already a quite long story and a consolidated status. There are a number of projects and installations specifically developed for presenting or navigating Cultural Heritage (CH) data. But CH or, more broadly, Digital Humanities are domains with specific needs and constraints. Previous projects have selected these domains either to assess new technologies or to provide new tools and navigation experiences. The users in this domain belong to two well differentiated classes- ordinary public (museum visitors, web surfers) or experts (scholars, archaeologists, restorers) The talk will present in a comparative manner some selected previous experiences, aiming at deriving a critical assessment and suggest issues and open questions.
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