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iGQL: An Intelligent NoSQL Graphical Query Language
Abstract
The storage of information plays a central role to the design and functionality of applications. Due to the increasing interest and rapid technological growth of the NoSQL Database Systems more developers are using them. It is crucial for data analysts, IT people and even simple users to have access to these data. Our research focuses on the development of a User-Friendly Graphical User Interface for Android smart devices that enables Users without any knowledge on NoSQL or Database Systems to build a query for the NoSQL Database System called Db4o.
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Today's interconnected, information-hungry world demands 24/7 access to information. This need is met in applications such as those found in airport and conference kiosks, and devices such as those found in the mobile, gaming, and medical industries afford. However the need to process sometimes significant amounts of data through these devices can present a problem; availability cannot come at a tradeoff for performance. The challenges of type and volume of data are met in the lightweight yet powerful db4o database. This is the first book to cover db4o programming in comprehensive detail. Readers are briefed on all of the topics necessary to begin using it in production. Newcomers to the topic aren't forgotten, as early chapters are devoted to object database fundamentals, in addition to technical considerations and migration strategies. Regardless of their chosen language, readers will be able to follow along with with numerous examples written in C# and Java. Copyright © 2006 by Jim Paterson, Stefan Edlich, Henrik Hörning, Reidar Hörning. All rights reserved.
The touch screen devices allow us to construct user friendly graphical user interfaces using the gesture technology which is very popular for novice users. In this paper, we present a new graphical query language for relational databases which is designed to support gesture design philosophy and the full functionality of SQL and is addressed to non-expert users on databases. The EGQL (Easy Gesture Query Language) is implemented on Android platform for compact multi-touch screens. Moreover, Metaphors, Color and other functionality like zoom are used for the best comprehension of the database schema and the query development.
Visual query systems (VQSs) are query systems for databases that use visual representations to depict the domain of interest and express related requests. VQSs can be seen as an evolution of query languages adopted into database management systems; they are designed to improve the effectiveness of the human-computer communication. Thus, their most important features are those that determine the nature of the human-computer dialogue. In order to survey and compare existing VQSs used for querying traditional databases, we first introduce a classification based on such features, namely the adopted visual representations and the interaction strategies. We then identify several user types and match the VQS classes against them, in order to understand which kind of system may be suitable for each kind of user. We also report usability experiments which support our claims. Finally, some of the most important open problems in the VQS area are described. 1.
from https://developer.android.com/reference
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