This will be a living post to collect useful quotes and citations.
"An 'information shortage' in service is equivalent to material shortage in manufacturing."
George, Michael L.. Lean Six Sigma for Service : How to Use Lean Speed and Six Sigma Quality to Improve Services and Transactions. New York: McGraw-Hill, 2003.
Do two states have the same definitions of "marriage"? Is the notion of "writing"
a play the same as the notion of "writing" a song? It is the semantic models that
give answers to questions like these. A semantic model acts as a sort of glue
between disparate, federated data sources so we can describe how they fit
One reason to model knowledge about a domain in the first place is to understand the ramifications of that model, and to understand when there are conflicts between one viewpoint of the world and another.