1. ptrace(2) - Linux man page.
http://linux.die.net/man/2/ptrace
2. Replacing ptrace().
http://uninformed.org/index.cgi?v=4&a=3&p=14
3. Swift appliance at science clouds.
http://scienceclouds.org/appliances/swift-appliance/
4. Belhajjame, K., Corcho, O., et al.: Workflow-centric research objects: First class citizens in scholarly discourse. In: Proceedings of Workshop on the Semantic Publishing (SePublica), Crete, Greece (2012)
5. Chirigati, F., Shasha, D., Freire, J.: ReproZip: using provenance to support computational reproducibility. In: USENIX Workshop on the Theory and Practice of Provenance, TaPP 2013 (2013)