What are information chains?

Questions posted by Sridhar Pradesh:

My role is working in data warehouse and I am learning data quality techniques.

When reading this article in DMReview (http://www.dmreview.com/dmdirect/20070727/1088172-1.html) it mentions information chains.

I have several books on data warehouse techniques and cannot find information on the subject of information chains.

Could you explain in more detail please and how they work, or where more information is available etc.

Thank you for support.

Sridhar Pradesh.