allen-relation-count    Count relations from Allen's Interval Algebra
allen-relation-detect   Detect relations from Allen's Interval Algebra
allen-relation-detect-pairwise
                        Pairwise detect relations from Allen's Interval
                        Algebra
allen-relation-locate   Locate relations from Allen's Interval Algebra
is_iv                   Is 'x' an iv?
iv                      Create an interval vector
iv-accessors            Access the start or end of an interval vector
iv-genericity           Proxy and restore
iv-groups               Group overlapping intervals
iv-set-pairwise         Pairwise set operations
iv-sets                 Set operations
iv-splits               Splits
iv_align                Align after locating relationships
iv_between              Detect when a vector falls between an iv
iv_count_between        Count when a vector falls between an iv
iv_format               Formatting
iv_locate_between       Locate where a vector falls between an iv
iv_pairwise_between     Pairwise detect when a vector falls between an
                        iv
new_iv                  Construct a new iv
relation-count          Count relationships between two ivs
relation-detect         Detect a relationship between two ivs
relation-detect-pairwise
                        Pairwise detect a relationship between two ivs
relation-locate         Locate relationships between two ivs
