Many organisations are offering rich Linked Data stores now that you can interrogate with the SPARQL language. This data might be interesting for the mobile app developer to work with so it would be great to be able to experiment with this data in Google App Inventor for Android applications. At the moment you cannot do this directly as App Inventor only offers quite limited functionality to interact with the web, however with the help of a server side "bridging script" we can close that divide and send a SPARQL query from inside the application and deal with the results we get back.
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By Liam Green-Hughes, 12 October, 2010
Extracting data from the web to use in our computer programs has always been a challenge. Many developers will be familiar with techniques such as Web Scraping, trying to parse a human readable web page and extract data and might dream of more reliable ways to query different sources for data in a standardised way. Linked Data is a proposed answer to this issue that seems to be gaining some momentum with data being exposed in this format by organisations such as the British Govenment and my own employer The Open University. So how do we query these resources and get the data into our PHP scripts?
By Liam Green-Hughes, 11 October, 2010
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