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The Internet has become a very important source of information for users (students, researchers, general public, etc.) and commercial enterprises. This propulsion of data is related to the diversity of information demands and the need for versatile knowledge. Access to digital data via web services is facilitated by search tools. Following a user request, the search engine has a long list of bibliographic references and web pages. The efficient selection of relevant documents is very difficult given the low accura...

The documents and data used by scientists to "do research" have become digital and the exchanges of these have accelerated since the invention of the web. Accessing, distributing and sharing via the web is today at the heart of the practices of scientists and students. At the beginning, the web was the support and the vector of the diffusion of the documents and remained at the bottom of the documentary databases, in more or less closed systems. The information is interlinked by hypertext or hypermedia relationshi...