Finding plans subject to stipulations on what information they divulge

Yulin Zhang, Dylan A. Shell, Jason M. O'Kane
In Proc. International Workshop on the Algorithmic Foundations of Robotics
2018

Abstract Motivated by applications where privacy is important, we consider planning problems for robots acting in the presence of an observer. We first formulate and then solve planning problems subject to stipulations on the information divulged during plan execution–-the appropriate solution concept being both a plan and an information disclosure policy. We pose this class of problem under a worst-case model within the framework of procrustean graphs, formulating the disclosure policy as a particular type of map on edge labels. We devise algorithms that, given a planning problem supplemented with an information stipulation, can find a plan, associated disclosure policy, or both if some exists. Both the plan and associated disclosure policy may depend subtlety on additional information available to the observer, such as whether the observer knows the robot's plan (e.g., leaked via a side-channel). Our implementation finds a plan and a suitable disclosure policy, jointly, when any such pair exists, albeit for small problem instances.

@inproceedings{ZhaSheOKa18,
  author = {Yulin Zhang and Dylan A. Shell and Jason M. O'Kane},
  booktitle = {Proc. International Workshop on the Algorithmic Foundations of
               Robotics},
  title = {Finding plans subject to stipulations on what information they divulge},
  year = {2018}
}


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