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Research centers, government agencies, universities, media, libraries, museums, publishing houses and other organizations are driving strategies to improve access to information created, stored and maintained by them. Although this open world stage disclosure is very positive, but lot of work remains in research and engineering to do. Organizations that are identified as Open because they publish content in web pages or PDFs should consider that the release digitized documents is only the first step towards a real opening. A lot of information available on the Web is not in machine format ("machine-readable" format) but unstructured documents (such as DOC files, HTML, PDF files) that pose major challenges in automatically process its contents .

Data in PDF files are silos or "walled ghettos data" that diminish the possibilities of exchange, re-use, integration and interoperability of information. Thus, the data that are contained within a PDF files or HTML pages are difficult to process, impractical when reuse and are not very sustainable and accessible on a global stage discovery and reuse of open data.

Initiatives Open Data and the Semantic Web can solve many of the problems posed by unstructured documents scanned when you want to share and reuse information.

In this website the results of the study and application of Linked Data technology for online access to data and Linked Open University as one of the major initiatives in this region is presented.