Allen's interval algebra is a calculus for temporal reasoning that was introduced by James F. Allen in 1983.
The calculus defines possible relations between time intervals and provides a composition table that can be used as a basis for reasoning about temporal descriptions of events.
Read more about Allen's Interval Algebra: Extensions, Implementation
Famous quotes containing the words allen, interval and/or algebra:
“Although the masters make the rules
For the wise men and the fools
I got nothing, Ma, to live up to.”
—Bob Dylan [Robert Allen Zimmerman] (b. 1941)
“The yearning for an afterlife is the opposite of selfish: it is love and praise for the world that we are privileged, in this complex interval of light, to witness and experience.”
—John Updike (b. 1932)
“Poetry has become the higher algebra of metaphors.”
—José Ortega Y Gasset (1883–1955)