A Direct Manipulation User Interface for QueryingGeographic

نویسندگان

Juliano Lopes de Oliveira

Claudia Bauzer Medeiros

چکیده

This paper presents an architecture for a direct manipulation user interface for browsing and querying geographic data. This interface provides users with a high level object oriented conceptual view of the underlying database, independent of the database's native data model. It lets users manipulate diierent representations of a single georeferenced entity, thereby adding a new degree of exibility to querying facilities.

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