TY - CHAP A1 - Großmann, Daniel A1 - Bregulla, Markus A1 - Banerjee, Suprateek A1 - Schulz, Dirk A1 - Braun, Roland T1 - OPC UA server aggregation — The foundation for an internet of portals T2 - ETFA'2014: 19th IEEE International Conference on Emerging Technologies and Factory Automation UR - https://doi.org/10.1109/ETFA.2014.7005354 KW - Servers KW - Automation KW - Aggregates KW - Security KW - Prototypes KW - Computer architecture KW - Market research Y1 - 2014 UR - https://doi.org/10.1109/ETFA.2014.7005354 SN - 978-1-4799-4846-8 PB - IEEE CY - Piscataway ER -