JPA article

http://blog.jbaysolutions.com/2012/12/17/jpa-2-relationships-many-to-many/

Refactoring by Martin Fowler

http://www.cs.umss.edu.bo/doc/material/mat_gral_137/M.Fowler%20et%20al%20-%20Refactoring%20-%20Improving%20the%20Design%20of%20Existing.pdf

WebSphere Portal Federated Repository

http://www-10.lotus.com/ldd/portalwiki.nsf/dx/Configuring_IBM_Tivoli_Directory_Server_using_custom_schema_with_IBM_WebSphere_Portal_V8.0

WebSphere Portal cleanup task

http://www-01.ibm.com/support/docview.wss?uid=swg21307108

WPS derby connection using client article

https://wiki.base22.com/display/btg/Working+with+the+embedded+Derby+database+for+WebSphere+Portal

How Https(SSL) works. Article

https://www.digicert.com/ssl.htm

JEE security article

http://docs.oracle.com/cd/E19798-01/821-1841/bnbwk/index.html

ADM vs RDM (Anemic Domain Model vs Rich Domain Model) article

https://blog.inf.ed.ac.uk/sapm/2014/02/04/the-anaemic-domain-model-is-no-anti-pattern-its-a-solid-design/