This has made forms of publishing other than the traditional three-tier model more desirable to the independent publisher.

The three-tier model is a distribution model with three levels: publisher, distributor and retailer.

The problems of a three-tier model include network redundancy, lag and data loss.

One reason was that his three-tier model of inferences required too much fieldwork and laboratory analysis to be practical.

Outside the scope of this three-tier model is environmental prevention.

The three-tier model is a software architecture pattern.

Of course I am not here arguing for a return to a three-tier model of reality seen in literalistic terms.

Recently since 2005-06, the government has been trying to implement reform that is based on the European three-tier model of bachelor's, master's and doctoral degrees.

In a three-tier model, presentation clients provide the user interface.

Many nations with parliaments have to some degree emulated the British "three-tier" model.