Title	Transmitting Hierarchical Aggregation Information Using RTCP Protocol
Author	Radim Burget, Dan Komosny, Milan Simek
Citation	Vol. 7  No. 11  pp. 44-48
Keywords	RTCP, Hierarchical aggregation, Sub-report Block, Receiver Summary Information

Title	Data Gathering Model for Wireless Sensor Networks Based on the Hierarchical Aggregation Algorithms for IP Networks
Author	Milan Simek, Dan Komosny, Patrik Moravek, Radim Burget, Ricardo Silva, Jorge Silva
Citation	Vol. 8  No. 11  pp. 265-273
Keywords	Clustering, data gathering, hierarchical aggregation, tree transmission protocol, wireless sensor networks

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