m (A comma is needed in this place.)
==Knowledge base properties==
The term "knowledge-base" was coined to distinguish this form of knowledge store from the more common and widely used term ''database''. At the time (the 1970s) virtually all large [[Management Information Systems]] stored their data in some type of hierarchical or relational [[database]]. At this point in the history of [[Information Technology]] the distinction between a database and a knowledge base was clear and unambiguous.
A database had the following properties: