Montag, 25. Februar 2013

SPARQLizer - Developing an Android App

Writing SPARQL queries is often no fun. They get long fast and complex too, latest if you start writing federated queries. On a desktop this may be sometimes annoying, but most people can handle it. But on a mobile device without a real keyboard and a small screen, writing queries is nearly impossible.

This is why I came up with the idea to write an Android app which supports you writing SPARQL queries.

First I looked what already is existing and stumbled over SPARQL Droid by David Read [Blogpost]. With this app you can create your own triple store on your phone by writing or loading RDF. It can also query this local or remote stores, but a support for the user writing queries is not in the focus of this app.

The main functionality of SPARQL Droid is based on AndroJena, a port of the Jena library to the Android platform. David Read wrote a nice tutorial how to use it which I used as the basis of my app SPARQLizer.

The current code can be found at github. Currently I am just implementing the most basic functions, like executing, storing and loading queries, and so on. If you want to contribute to the project or have any ideas regarding features, please let me know.

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