Sunday, March 8, 2020

COQUEL: A CONCEPTUAL QUERY LANGUAGE BASED ON THE ENTITYRELATIONSHIP MODEL


Author :  Rafael Bello and Jorge Lloret

Affiliation :  University of Zaragoza

Country :  Spain

Category :  Computer Science & Information Technology

Volume, Issue, Month, Year :  6, 4, April, 2016

ABSTRACT

As more and more collections of data are available on the Internet, end users but not experts in Computer Science demand easy solutions for retrieving data from these collections. A good solution for these users is the conceptual query languages, which facilitate the composition of queries by means of a graphical interface. In this paper, we present (1) CoQueL, a conceptual query language specified on E/R models and (2) a translation architecture for translating CoQueL queries into languages such as XQuery or SQL.

Keyword :  Conceptual Query Language, SQL, final user



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