Once specified and enacted, workflow specifications, as well as the provenance captured as a result of their execution, can be valuable assets that can be shared or published for others to reuse or repurpose in whole or in part. Indeed, workflows embody methods, protocols, and patterns. Equally, the provenance information collected due to their execution has numerous applications, including facilitating the interpretation of workflow results and verifying their reproducibility. However, privacy concerns arise in certain domains, such as biomedicine, social behaviour analysis, and business. To promote sharing in such contexts, many solutions have emerged to sanitise workflows and/or provenance traces to share them safely with third-party users. In this chapter, we set out to survey such proposals. We present a taxonomy for categorizing existing proposals and use it to characterize and compare them. We also identify the main trends and discuss the issues that still need to be addressed by the community.
Alban et al. (Thu,) studied this question.
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