1. Merriam-Webster[
http://www.merriam-webster.com/dictionary/data
]
2. Wikipedia[
http://en.wikipedia.org/wiki/Data
]
3. National Science Foundation: Sustainable Digital Data Preservation and Access Network Partners (DataNet) Program Solicitation. NSF 07–601 2008. [
http://www.nsf.gov/pubs/2007/nsf07601/nsf07601.htm#toc
]
4. AnthroDPA Metadata Working Group: Report of the AnthroDPA MetaData Working Group, May 2009, Sponsored by the Wenner-Gren Foundation and the US NSF.[
http://anthrodatadpa.org/Media/AnthroDataDPA%20Report.pdf
]
5. Ackoff RL: From data to wisdom. Journal of Applied Systems Analysis 1989, 16: 3–9.