Abstract

Conventional information retrieval systems (IRS) do not take into account the broad range of information needs different users have at various times. Hybrid systems combining the functionalities of conventional IRS and hypertext systems are a promising approach for building user-oriented systems for effective and efficient information retrieval. After the concept of hypertext and the functionality of hypertext systems is outlined, we discuss how information retrieval and hypertext can be integrated. The specific organization of the information base and the different ways to access the information are analyzed. Furthermore, information retrieval models are outlined and dedicated retrieval models for hypertext are presented.

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