About: http://webisa.webdatacommons.org/97198444

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	So a portal is a web application (which can be deployed a servlet container like tomcat) which brings together contents from different portles and the communication between portal and portlets are achieved by portlet containers.
http://www.w3.org/ns/prov#wasQuotedFrom	adoptos.com