[Portal] Approaches aggregation by splitting role of Web server into two phases: markup generation and aggregation of markup fragments [Mashup] Uses APIs provided by different content sites to aggregate and reuse the content in another way [0] 
Philosophy/approach
C l a s s i f i c a t i o n
P h i l o s o p h y / a p p r o a c h
C o n t e n t d e p e n d e n c i e s
L o c a t i o n d e p e n d e n c i e s
A g g r e g a t i o n s t y l e
E v e n t m o d e l
R e l e v a n t s t a n d a r d s