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The Concept Map you are trying to access has information related to:
logical layer described in open standards, open bandwidth based on missing, UN Declaration of Human Rights Article 19 requires accessible common infrastructure, free / open source applications based on GPL, BSD, ..., accessible common infrastructure has layers physical layer, accessible common infrastructure has layers content layer, accessible common infrastructure has layers logical layer, open standards implemented in free / open source applications, open standards based on W3C, OASIS, ..., physical layer e.g. realized through open bandwidth, open content based on Creative Commons, logical layer realized in free / open source applications, content layer filled with open content