Since the invention of printing, the problem of classifying knowledge has only increased. With digitization, the amount of data to be classified, produced by a larger and, above all, better-educated ...

This is a preview. Log in through your library . Abstract It has been argued that the Dewey Decimal Classification system—the DDC—is Hegelian, that the primary division of the system is based on Hegel ...

Additional plates or discs which Arab scientists invented. They were used as supplementary tools to be inserted into astronomical instruments like the astrolabe to supplement its functions. There is ...