The Framework for Machine Translation Evaluation in ISLE is an attempt to organize the various methods that are used to evaluate MT systems, and to relate them to the purpose and context of the systems.
The most detailed publication about FEMTI is: Eduard Hovy, Margaret King & Andrei Popescu-Belis (2002) - Principles of Context-Based Machine Translation Evaluation. Machine Translation, 17:1, pp. 43-75. This article describes the principles underlying FEMTI, overviews previous work, and offers research perspectives for the future.