This paper presents a system of help for the exploitation of hypermedia documents. It was derived from a common type of educational CD-ROM in which we added search and note-taking tools. The evolving note-taking system interacts continuously with the document being explored, and allows the user to keep the explored sections in mind. A study on usability of the search tools showed that the students prefer the index or the table of contents and neglected the cross-reference links. The activity of note-taking at every stage of their search favored their planning of the search.
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