Authoring relational queries on the mobile devices

被引：0

作者：

Hedrick, Adele ^{[1
]}

Pu, Ken Q. ^{[1
]}

机构：

[1] Univ Ontario, Inst Technol, Fac Sci, Oshawa, ON, Canada

来源：

ANT 2012 AND MOBIWIS 2012 | 2012年 / 10卷

关键词：

touch screen; mobile; user interface; relational database; relational query;

D O I：

10.1016/j.procs.2012.06.096

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, we present the design and implementation of a graphical user interface to interact with a relational database management system on touch screen based mobile devices. Our system allows users to author arbitrary graphical relational queries on the touch screen using a collection of on-screen widgets and gestures. The user can interact, introspect and integrate pieces of sub-queries on the mobile device. The system dynamically performs type checking during the authoring, so the user receives immediate visual feedback in case of semantic error in the resulting query. We have deployed our system on several Android devices ranging from the 4 '' smart phones to 7 '' and 10 '' tablets. Our usability study shows that our query interface provides a significant improvement in the user experience when querying a relational data model. The system allows fast authoring speed of complex queries, and user friendly experience. (C) 2011 Published by Elsevier Ltd.

引用

页码：752 / 757

页数：6

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