In our paper we would like to present a threedimensional model of a virtual library created by exploiting the capabilities of the Virtual Collaboration Arena (VIRCA) system. Based on the classification system elaborated by Callimachus we focus on the field of Greek poetry and drama in the 3rd century BC, and select some illustrious ancient authors and texts for the content of a virtual library. In order that the presented content should be appropriately searchable we attach certain (verbal and/or multimedia) metadata to the English translation of the selected ancient Greek texts and using them to form a wellsearchable spatial hypertext system. In addition to our three dimensional virtual library model, we have created its hypertext (two-dimensional) representation which can further emphasize the additional features that the three dimensional representation provides for us. Finally we outline the possible improvements of the system which indicate the creative potentials and hidden assets that lie in the construction of a library system of this type.

In our presentation we would like to introduce a virtual library model based on the 3D capabilities of the Virtual Collaboration Arena (VirCA) system developed at the Computer and Automation Research Institute of the Hungarian Academy of Sciences. The model has been developed in order to reap the benefits -the extraordinary navigation and accessibility features, "holistic" characteristics, strong affective power etc. -of the 3D virtual environment presenting selected ancient works (as well as biographies) of some illustrious authors in the light of the modern information technology. In the model the library content is presented in a virtual room where a maximum of 18 cabinets are arranged in two parallel rows. The cabinets contain the relevant information to be presented, so their position and arrangementtogether with other distinctive features -are crucial to finding the appropriate content in the virtual space. The arrangement of cabinets is based on the classification system of the ancient Library of Alexandria developed by Callimachus in the 3rd century BC. Based on that, we attached certain categories (epic poets, elegists, lyrical poets etc.) to the English translation of the selected ancient Greek texts. In addition, two parallel sequences of some characteristic images are displayed as image corridors next to each cabinet which greatly facilitate finding the relevant information in the virtual room at a single glance. On the basis of those features (cabinets, categories, image corridors etc.) we can group the related information together and compose various "spatial composites" in order to form a well-searchable spatial hypertext system. We have created a database of the selected library materials and developed a PHP-based interface to provide and demonstrate interactive search capabilities. The search results can be obtained in a form of an XML * The publication was supported by the

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