... OTHER QUERIESPoint in Time to Period of Time QueriesA point in time is a period of time that includes only oneclock tick. Thus, using the closed-open convention, a point in time, T1, is identical ... relationships, and taxonomic groupings ofthem, between pairs of time periods, between a time periodand a point in time, and between two points in time. Once again,completeness of coverage has ... node in our taxonomyof Allen relationships which, when one of the time periods is apoint in time, includes the [starts], [finishes], and [during]relationships. In other words, it combines...