*Developers:* PjSchwartz

*Availability/Location:* Available from sourceforge's CVS repository, inside the project called digir (module name is java, directory org/calacademy/digir/engine). 

*Language:* java

*Documentation:* http://digir.net/port/digir_portal_install.html

*Description:* Component responsible for encapsulating a DiGIR network of distributed data providers. It receives requests from user interfaces or search agents, distributes them to the corresponding data providers, and integrates the responses in a single document before sending back to the requester.