Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A data library refers to both the content and the services that foster use of collections of numeric, audio-visual, textual or geospatial data sets for secondary use in research. (See below to view definition from the Online Dictionary for Library and Information Science.) A data library is normally part of a larger institution (academic, corporate, scientific, medical, governmental, etc.) established to serve the data users of that organisation. The data library tends to house local data collections and provides access to them through various means (CD-/DVD-ROMs or central server for download).

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