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Luiz F. G. Soares


Publications by Luiz F. G. Soares (bibliography)

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Casanova, Marco A., Tucherman, Luiz, Lima, Maria Julia D., Netto, Jose L. Rangel, Rodriguez, Noemi and Soares, Luiz F. G. (1991): The Nested Context Model for Hyperdocuments. In: Walker, Jan (ed.) Proceedings of ACM Hypertext 91 Conference December 15-18, 1991, San Antonio, Texas. pp. 193-201. http://www.acm.org/pubs/articles/proceedings/hypertext/122974/p193-casanova/p193-casanova.pdf

This paper describes the nested context model, a conceptual framework for the definition, presentation and browsing of documents. The model carefully combines hypertext links with the concept of context nodes, used to group together sets of nodes. Context nodes can be nested to any depth and, thus, generalize the classical hierarchical organization of documents. The nested context model also defines an abstract and flexible application program interface that captures the idea that different applications may observe the same node in different ways. Finally, the model offers a rich set of operations to explore the double structure of a hyperdocument - that defined by the links and that induced by the nesting of context nodes.

© All rights reserved Casanova et al. and/or ACM Press

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Soares, Luiz F. G., Martins, S. L., Bastos, T. L. P., Ribeiro, N. R. and Cordeiro, R. C. S. (1990): LAN Based Real Time Audio-Data Systems. In: Lochovsky, Frederick H. and Allen, Robert (eds.) Proceedings of the Conference on Office Information Systems 1990 April 25-27, 1990, Cambridge, Massachusetts, USA. pp. 152-157.

One of the greatest demands for better communication services comes from the office automation area. The functions related to electronic mail, telephony, and teleconferencing are among these services, due to advantages it creates, such as reduction of cost and time. LANBRETAS is LAN-based real-time audio/data system that is being developed by the Catholic University of Rio de Janeiro and the Rio Scientific Center of IBM-Brasil and is the subject of this paper. The first part of the paper introduces the motivations to implement the system as well as the implementation environment. The second part presents the system. At first the electronic mail system LANBRETA-DMS, then the telephony system LANBRETA-DTS, and at last, the teleconferencing system LANBRETA-GCS.

© All rights reserved Soares et al. and/or ACM Press

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