Title	Advantage of Hierarchical Aggregation
Author	Jakub Muller, Dan Komosny, Radim Burget, Patrik Moravek
Citation	Vol. 8  No. 11  pp. 321-327
Keywords	hierarchical aggregation, summarization, localization, feedback channel

Title	Best Effort Hierarchical Aggregation Tree for IPTV Signaling
Author	Radim Burget, Jakub Muller, Dan Komosny
Citation	Vol. 8  No. 11  pp. 364-368
Keywords	IPTV, Multimedia communication feedback, Communication system software, Hierarchical aggregation