ISO 9241-11 [3] defines usability as "the extent to which a product can be used by specified users to achieve specified goals with effectiveness, satisfaction, and efficiency in a specified context of use".
There are several usability works in biometrics in the literature and most of them come from the usability definition given by the ISO 9241 2010 [1]: "The extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of use".
The next challenge is to evaluate the usability of the models from the point of view of the user according to standard ISO 9241-11 that defines usability as "the extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of use".
In this context, usability is understood as "the extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency, and satisfaction in a specified context of use" as defined by ISO 9241-11 [ 12].
Usability is defined as "the extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of use (ISO 9241-100; 2009)"[ 14].
In the widely used definition issued by the International Organization for Standardization ISOO), usability is defined as "the extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency, and satisfaction in a specified context of use" [ 34].
In the ISO 9241-11 1998 [ 14 ] "Ergonomic requirements for office work with visual display terminals (VDTs)," usability is defined as "extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of use".
DSLs can be used by experts to specify parsers for complex message formats at a higher abstraction level, and in a more compact way, than CFGs.
Risk characterization will then be used by assessors to specify what further evaluation is needed, based on considerations linked to patterns of observed results and biological or toxicological relevance.
