Editing Harris matrix (section)

==Carver matrix{{Anchor|upright}}==
[[Martin Carver]] of the [[University of York]] has also developed a seriation diagram, known as the Carver matrix (not to be confused with the military term also named [[CARVER matrix]]). This diagram, which is based on the Harris matrix, is designed to represent the time lapse in use of recognizable archaeological entities such as floors and pits. Like Edward Harris, he used contexts numbered and defined on site as the basic elements of the sequence, but he added higher order groupings ("feature" and "structure") to increase the interpretive power. Several other people, such as [[Norman Hammond]], looked to develop similar systems in the 1980s and 1990s.