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ABSTRACT
The enormous popularity of the World Wide Web has made putting public access databases on the Web practically mandatory. Forms embedded within the Web clients (e.g. Netscape) are therefore emerging as the most common interfaces in database querying. Should this solution be considered completely satisfactory?We highlight some of the important limits we experienced with forms and we propose a convenient alternative solution, based on direct manipulation of icons. The system we have developed is easy to use and provides comfortable mechanisms for browsing, manipulating and reusing queries results as well as previous queries thus making feasible effective non-motonic, progressive query processes.
REFERENCES
Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.
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Berners-Lee, T., Cailliau, R., Groff, J. F., Pollermann B., CERN, "World-Wide Web: The Information Universe". Electronic Networking: Research, Application and Policy, Vol 2, Num 1, pp 52--58 Meckler Publishing, Westport CT USA, Spring 1992. URL:ftp://info.cern.ch/pub/www/doc/ENRAP_9202.ps
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Software Development Group, National Center for Supercomputing Application, university of Illinois, "Mosaic for X version 2.0 Fill-Out Form Support". URL:http://www.ncsa.uiuc.edu/SDG/Software/Mosaic/Docs/fill-out-forms/overview.html
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Batini, C., Catarci, T., Costabile, M. F., Levialdi, S. "Visual Query Systems". Technical Report N.04.91 Dipartimento di Informatica e Sistemistica di Roma "La Sapienza", Roma, Italy. 1991 (revised in 1993).
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Chang, S. K., Costabile, M. F., and Levialdi, S. Reality Bites "Progressive Querying and Result Visualization in Logical and VR Spaces". Proc. IEEE Symposium on Visual Languages, ST. Louis, 1994, pp. 100--109.
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Catarci, T. "L'interazione uomo-macchina nei sistemi informativi". Rivista di informatica, vol XXIII, Num. 2, luglio-settembre 1993.
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