Document (#12277)

Author

Chan, H.C.

Title

Naturalness of graphical queries based on the entity relationship model

Source

Journal of database management. 6(1995) no.3, S.3-13

Year

1995

Abstract

Graphical queries involving 14 different query concepts were used in a study with 27 subjects. The results show that well designed graphical queries can be comprehended without teaching. Not so well designed queries are difficult to comprehend. The natural ability to specify graphical queries is not as good. The results identify clearly those concepts that are naturally easy to specify, and those that are difficult. The findings can be used for designing graphical interfaces, as well as for designing training packages

Theme

OPAC

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