Abstract

Based on the distinction between the concepts of usability and user experience, three categories of related metrics are identified and described: those that measure observable aspects of website performance, user behavior, and subjective aspects derived from what users report.

Abstract

National libraries have recently adopted a quality assessment culture using performance indicators. The project for devising Technical Report ISO/TR 28118 regarding performance indicators for national libraries is explained from its beginnings. This is a specific common standard that [...]

Abstract

This report discusses uses of and requirements for performance measures in traffic signal systems facilitated by high-resolution controller event data. Uses of external travel time measurements are also discussed. The discussion is led by a high-level synthesis of the systems engineering [...]