THE WAYS OF FIXING OF THE INITIAL INFORMATION REQUIREMENTS OF THE USERS INTERACTING WITH DIGITAL LIBRARIES THROUGH THE MEDIATOR CONTAINING THE THESAURUS AND SUBJECT CLASSIFIER.
Kazakov E.N.
The Scientific and Technical Information centre of Russia (VNTIC)
Smolnaja 14, Moscow, 125801
e-mail: postmaster@vntic.org.ru
The interaction of the users with digital libraries keeping numerous heterogeneous collections is esteemed. It is supposed, that the interaction will be realised with the help of a special infrastructure: the mediator having got personalization, interoperation (federated) and local levels. It is supposed, that the mediator contains the thesaurus and subject classifier, that provides the intellectual help to the users. The ways of fixing of the initial information requirements of the users are tendered. The mediator allows for these requirements at queries processing. The users can correct these requirements in an interactive mode.
The user fills in the form consisting of following blocks: the general, text of the query, explanation to the query, usage of the thesaurus and subject classifier, criterion of relevance.
Each block and its influencing on the result of the search is described. The commands of navigating under the thesaurus are tendered.