Chemical Science and Technology Laboratory
What is KDD, DM and KM?
Knowledge Discovery in databases (KDD) –
A process of non-trivial extraction of implicit,
previously unknown and potentially useful
information from large collections of data
Data Mining (DM) - 
A step in the knowledge discovery process – application of specific algorithms for extracting patters (models) from a large set of data.
Knowledge Management (KM) –
Efforts to capture, store, and deploy knowledge