Document (#12274)

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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