8 Glossary

Adaptive interface: interface which adapts automatically to the user 's habits.
Information farming: continuous, co- operative information collection activity conducted by groups of individuals working together in order to accomplish changing individual and communal objectives.
Information manufacturing: activity of exploiting information including the acquisition, processing, assembly and maintenance of information.
Information mining: information extraction activity in which the target is a valuable resource which has to be extracted effectively and refined.
Portal: Web site whose main function is to provide access to other Web sites.
Precision: number of targets accessed by the subject divided by the number of pages opened by the subject.
Recall: number of targets accessed by the subject divided by the number of existing targets.
Target: relevant document, reference or piece of information.
Task: goal to be achieved in a given environment by means of (physical) actions or (mental) operations with or without the use of tools.
Wap (Wireless Access Protocol): protocol for accessing information networks via mobile telephones or personal assistants (PDAs).
Web (World Wide Web): protocol for accessing the Internet information network which makes it possible to establish links between data stored on remote computers.