Watch what I do: programming by demonstration
Watch what I do: programming by demonstration
Communications of the ACM
Usability Engineering
The Data Warehouse Toolkit: The Complete Guide to Dimensional Modeling
The Data Warehouse Toolkit: The Complete Guide to Dimensional Modeling
Does think aloud work?: how do we know?
CHI '06 Extended Abstracts on Human Factors in Computing Systems
End User Development (Human-Computer Interaction Series)
End User Development (Human-Computer Interaction Series)
Making database systems usable
Proceedings of the 2007 ACM SIGMOD international conference on Management of data
Providing end-user facilities to simplify ontology-driven web application authoring
Interacting with Computers
Polaris: a system for query, analysis, and visualization of multidimensional databases
Communications of the ACM - Remembering Jim Gray
AFIPS '75 Proceedings of the May 19-22, 1975, national computer conference and exposition
Development of end-user-centered EUD software
Proceedings of the 13th International Conference on Interacción Persona-Ordenador
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Querying databases is a common daily task carried out by a great deal of end-users who do not have specific skills in SQL language. Today, most of the database interaction is achieved by means of query interfaces provided by the database environment. However, most of these interfaces suffer from expressive limitations, since they are mostly based on metaphors that drastically restrict the expressiveness of the SQL language that is generated and executed in the background. In this paper, we present a visual interaction language and tool focused on easily querying databases by end-users. We make no assumption on the level of the user's experience with query languages, as our visual metaphor is intended for querying databases by unskilled end-users and also leveraging the restriction on the expressiveness of the queries created by them. We also report on some late braking results obtained by an experiment carried out with real users.