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A User Oriented Query Interface for Web-Based Geographic Information Systems

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3 Author(s)
Hasegawa, M. ; Univ. of Aizu, Aizu-Wakamatsu ; Bhalla, S. ; Izumita, T.

A geographic information system is often used to find objects of users' interest. It presents the users with an interface. Typically, a user interface presents a language for communication. We propose a prototype of a high level interface based on simplified relational algebra. A prototype system has been proposed. It is based on the notion of a query-by-object (QBO) approach.

Published in:

Frontier of Computer Science and Technology, 2007. FCST 2007. Japan-China Joint Workshop on

Date of Conference:

1-3 Nov. 2007

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