...\title¹

The effort represented in this paper has been sponsored by the Defense Advanced Research Projects Agency (DARPA) and Air Force Research Laboratory, Air Force Materiel Command, USAF, under agreement numbers F30602-99-2-0525 and F30602-97-1-0249, and by the Department of the Navy, Office of the Chief of Naval Research, under Grant No. N00014-97-1-0591. The views and conclusions contained herein are those of the authors and should not be interpreted as necessarily representing the official policies or endorsements, either expressed or implied, of the Defense Advanced Research Projects Agency (DARPA), Air Force Research Laboratory, or the U.S. Government. The U.S. Government is authorized to reproduce and distribute reprints for Governmental purposes notwithstanding any copyright annotation thereon.

.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.

... alternatives²

There is also an omniscient objective view, inaccessible to agents, which defines the real execution alternatives. In simulation, one can engineer differences between the objective and subjective views to create scenarios where the agent's expectations are not met.

.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.