Document Delivery e trasmissione elettronica sicura: uno stato dell'arte

This paper analyzes the DD clauses in electronic lincenses and, particularly, secure Eletronic Document Delivery (sEDD). A review of the most used software for sEDD offers an interesting state of the art about the different ways to use them from two point of view: cooperative library networks and commercial document delivery providers. DRM systems try to give a solution to the need of implementing robust and reliable mechanisms to control copyrighted electronic material. Howewer the authors wonder the extent to which the preventive author rights defence may be fitting in order do not jeopardize free circulation of information in reserach.