《Tab.2 Example distances among propositions on the first task in the rovers domain》

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《Using Vector Representation of Propositions and Actions for STRIPS Action Model Learning》

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To show the usefulness of SemDistance in characterizing the semantic distance of propositions，we present an example in Tab.2.This example is taken from the IPC's rovers domain，trained on the plan traces obtained on the first problem（named pfile01）of the domain.A representative case is for propositions“at_soil_samplewaypoint”and“available-rover”.Their SemDistance is 0.045（close to 0），based on which we think that the two proposition may occur in the same state.In fact，“at_soil_sample-waypoint”and“available-rover”can be in the same state.