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Definition of CQL, a Visual Query Language

Authors
Publisher
Computación y Sistemas
Publication Date
Keywords
  • Visual Language
  • Programming Environment
  • Icon
  • Database

Abstract

WE PRESENT A VISUAL LANGUAGE, CQL, FOR GEOGRAPHIC DATABASE RETRIEVAL. CQL INTRODUCES A NEW VISUAL ELEMENT, CARD, AS ITS PRIMITIVE PICTORIAL ELEMENT. IT A/LOWS THE END USER TO CREATE HIS PROGRAMS VISUALLY AND TO REPRESENT QUERY SENTENCE EXPRESSION IN FULL GRAPHICS. THE SYNTAX AND SEMANTIC OF CQL ARE DESCRIBED IN THIS PAPER.

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