Accountability

Accountability (also named "Organization Structures" in Fowler's updated version) is an analysis pattern that models employment, contracts, organisation hierarchies, and other issues that arise when one person or organisation is responsible to another.

This analysis pattern covers the modelling of parties (which represent entities such as people and organisations), organization structure, accountability relationships between parties in the hierarchy, knowledge levels, and operating scopes.

Martin Fowler writes extensively about this analysis pattern in http://www.martinfowler.com/apsupp/accountability.pdf (which can be considered an update to the second chapter from Martin Fowler 1997).