This paper describes a new tool for the generation and analysis of normative user models based on the GOMS theory for the evaluation of interactive systems and the analysis of the usability. Furthermore, a comparison of user models and generated action protocols is facilitated. Additionally, design alternatives can be compared. The results of the analysis are visualised in various ways. The int...

Case Management has been gradually evolving to support Knowledge-intensive business process management, which resulted in developing different modeling languages, e.g., Declare, Dynamic Condition Response (DCR), and Model Notation (CMMN). A language will die if users do not accept use it practice - similar extinct human languages. Thus, is important evaluate how perceive languages determine the...

This issue of the IBM Systems Journal explores the topic of building ease of use into the IBM user experience with hardware, software, Web sites, and services. This paper provides an overview of the process and organizational transformation that IBM has gone through in improving the user experience with our offerings. IBM's process for building ease of use into the user experience is described ...

The fields of health services, medical informatics, and human–computer interaction have begun to investigate electronic approaches to providing detailed health information to patients. Building on a custom Personal Health Record portal infrastructure that we have developed to provide access to real-time medication information for hospitalized patients, we are currently engaging clinicians and p...