http://martinfowler.com/bliki/AnemicDomainModel.html
Anemic Domain Model anti-Pattern is a Domain Model that exposes only data and no logic.
An Introduction to Domain Driven Design
Counter Perspectives...
Persistence Model
http://www.lostechies.com/blogs/jimmy_bogard/archive/2009/12/03/persistence-model-and-domain-anemia.aspx
A purposely anemic domain model - or not a domain model
