Clue Temporal Example

In the DAML KB available at http://www.ksl.stanford.edu/DAML/aqua/clue-scenario.daml is a scenario from the board game Clue. In this KB, the event of Mr. Boddy’s murder is described, including where it occurred and the time period during which it occurred.

Additionally, the whereabouts of each agent in the game are also described.

Based on this information, we can infer who had the opportunity to murder Mr. Boddy.

Miss ScarlettHere, we see that Miss Scarlett is a possible-physical-participant in the Murder-of-Mr-Boddy because she was in the Billiard Room during a time period that temporally-intersects the event of Mr. Boddy’s murder in the Billiard Room.

Definition of Temporally-IntersectsTime-Interval X and Time-Interval Y intersect each other when the the starting-point of X is between the starting-point and ending-point of Y, or vice versa.

Y

X

Miss-Scarlett-in-Billiard-Room intersects Murder-of-Mr-Boddy

The event of Miss Scarlett being in the Billiard Room and Mr. Boddy’s murder in the Billiard Room intersect each other because Miss Scarlett was in the Billiard Room starting at 11:45 p.m., which is between 11:30 p.m. and midnight, the time of Mr. Boddy’s murder.