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An Empirical Study on End-users' Update Performance for Different Abstraction Levels
International Journal of Human-Computer Studies (1994)

 

Recent laboratory experiments have shown a strong tendency that database users can perform better at the conceptual level than at the logical level.

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About the Researcher
Keng L. Siau
E.J. Faulkner Professor of MIS and Full Professor of Management Editor-in-Chief, Journal of Database Management North America Regional Editor, Requirements Engineering Co-Editor-in-Chief, Advances in Database Research Book Series Director, UNL-IBM Global Innovation Hub

Department: Management

Professor Keng Siau received his Ph.D. degree in Business Administration in 1996 from the University of British Columbia (UBC) (in Vancouver, Canada) where he majored in Management Information Systems (MIS) and minored in Cognitive Psychology. UBC is a top research university in Canada and consistently ranked as one of the best research schools in the world. Professor Siau's M.S. and B.S. (Hons) degrees are in Information and Computer Sciences from the National University of Singapore, which is ranked as one of the top 30 universities in the world by The QS World University Rankings.

Professor Siau is serving as the Editor-in-Chief of the top-ranked Journal of Database Management, which has an impact factor of 2.0 and an immediacy index of 1.368. Professor Siau is also the North America Regional Editor of the Requirements Engineering journal, which has an impact factor of 1.625.


 



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