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Communicating the Message:Translating tasks into queries in a database context

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2 Author(s)
Srinivasan, A. ; Dept. of Inf. Syst. & Operations Manage., Auckland Univ., New Zealand ; Irwin, G.

This paper examines two components of the user-database interface: the data modeling constructs used to represent the database structure and the query language constructs used for data retrieval. From a theoretical perspective, if both the data modeling and query language support high-level abstractions (HLAs), such as generalization and composition, then the "semantic distance" between the user and the interface will be reduced. We used an in-depth verbal protocol study to explore how users were able to effectively complete two tasks: constructing a data model with HLAs and formulating queries against the data model. Results suggest that a successful strategy for modeling with HLAs involves the systematic transition between higher and lower levels of abstraction. In addition, there is some support for the idea that there is a "productivity payoff" to modeling with HLAs, because subsequent query can be simplified.

Published in:

Professional Communication, IEEE Transactions on  (Volume:49 ,  Issue: 2 )

Date of Publication:

June 2006

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