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Azza Abouzied

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Publications by Azza Abouzied (bibliography)

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2012
 
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Abouzied, Azza, Hellerstein, Joseph and Silberschatz, Avi (2012): DataPlay: interactive tweaking and example-driven correction of graphical database queries. In: Proceedings of the 2012 ACM Symposium on User Interface Software and Technology 2012. pp. 207-218.

Writing complex queries in SQL is a challenge for users. Prior work has developed several techniques to ease query specification but none of these techniques are applicable to a particularly difficult class of queries: quantified queries. Our hypothesis is that users prefer to specify quantified queries interactively by trial-and-error. We identify two impediments to this form of interactive trial-and-error query specification in SQL: (i) changing quantifiers often requires global syntactical query restructuring, and (ii) the absence of non-answers from SQL's results makes verifying query correctness difficult. We remedy these issues with DataPlay, a query tool with an underlying graphical query language, a unique data model and a graphical interface. DataPlay provides two interaction features that support trial-and-error query specification. First, DataPlay allows users to directly manipulate a graphical query by changing quantifiers and modifying dependencies between constraints. Users receive real-time feedback in the form of updated answers and non-answers. Second, DataPlay can auto-correct a user's query, based on user feedback about which tuples to keep or drop from the answers and non-answers. We evaluated the effectiveness of each interaction feature with a user study and we found that direct query manipulation is more effective than auto-correction for simple queries but auto-correction is more effective than direct query manipulation for more complex queries.

© All rights reserved Abouzied et al. and/or ACM Press

2006
 
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Watters, Carolyn R., Shepherd, Michael A., Abouzied, Azza, Cox, Anthony, Kellar, Melanie, Kharrazi, Hadi, Liu, Fengan and Otley, Anthony (2006): Extending the Use of Games in Health Care. In: HICSS 2006 - 39th Hawaii International International Conference on Systems Science 4-7 January, 2006, Kauai, HI, USA. .

 
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Changes to this page (author)

23 Nov 2012: Modified
13 Jun 2009: Added

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URL: http://www.interaction-design.org/references/authors/azza_abouzied.html
Jul 28

A user will find any interface design intuitive...with enough practice.

-- Popular computer one-liner

 
 

Featured chapter

Marc Hassenzahl explains the fascinating concept of User Experience and Experience Design. Commentaries by Don Norman, Eric Reiss, Mark Blythe, and Whitney Hess

User Experience and Experience Design !

 
 

Our Latest Books

Kumar and Herger 2013: Gamification at Work: Designing Engaging Business Software...
by Janaki Mythily Kumar and Mario Herger

 
Start reading

Whitworth and Ahmad 2013: The Social Design of Technical Systems: Building technologies for communities...
by Brian Whitworth and Adnan Ahmad

 
Start reading

Soegaard and Dam 2013: The Encyclopedia of Human-Computer Interaction, 2nd Ed....
by Mads Soegaard and Rikke Friis Dam

 
Start reading
 
 

Help us help you!