How do I find changes in a dynamic data list over time

How do I find changes in a dynamic data list over time

References

Reference NO 1

http://www.liferay.com/documentation/liferay-portal/6.1/user-guide/-/ai/dynamic-data-lists-in-liferay

Reference NO 2

http://stackoverflow.com/questions/14098918/how-do-i-anchor-a-dynamic-data-list-to-static-data

Reference NO 3

http://productforums.google.com/d/topic/docs/tAJX7497GtI

Reference NO 4

http://msdn.microsoft.com/en-us/library/ee799683(v=cs.10).aspx

Reference NO 5

http://chandoo.org/wp/2010/09/13/dynamic-data-validation-excel/

Reference NO 6

http://www.myonlinetraininghub.com/excel-factor-19-dynamic-dependent-data-validation

Reference NO 7

http://excelsemipro.com/2011/02/create-a-cell-drop-down-list-in-excel-with-data-validation/

Reference NO 8

http://askville.amazon.com/difference-static-dynamic-data/AnswerViewer.do?requestId=2399775