Knowledge Systems Laboratory, Stanford
University
11
Relations on
Time-Interval
uJames Allen defined a complete set of relations on
time intervals
„Precedes: || End-1 < Start-2
||
„Meets:
|| End-1 =
Start-2
||
„Overlaps:
|| Start-1 <
Start-2 < End-1
||
„Costarts: || Start-1 = Start-2
||
„During: || Start-2 < Start-1
|| End-1 < End-2
„Cofinishes: || End-1 = End-2
||
„Equal