1. Adobe Flex, http://bit.ly/2DbkE9
2. Hyperic SIGAR API, http://bit.ly/96BIG3
3. RHQ, http://bit.ly/apijCR
4. ActiveBPEL (2010), http://bit.ly/be87LF
5. Agarwala, S., Schwan, K.: Sysprof: Online distributed behavior diagnosis through fine-grain system monitoring. In: ICDCS (July 2006)