Linked Data Applications - The Genesis and the Challenges of Using Linked Data on the Web

2009
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Technical Report
We are writing the year 2009. Three years after the linked data principles have been formulated by Tim Berners-Lee and two years after the grass-root community project 'Linking Open Data' has started to apply them to publicly available datasets such as Wikipedia, DBLP, and GeoNames, we are still at the very inception to understand how to use linked data in order to build Web applications and Web services. This memo outlines the current state-of-the-art, highlights (research) issues and tries to anticipate some of the future developments of linked data.