World Wide Web has gained its dominant status in the information and services delivery world in recent years, but how to build a good usability web site is still a problem. In this paper, we proposed a methodology for structured use-centered quantitative full-life-cycle usability requirements specification and usability evaluation of web sites. Our approach is that: the system’s usability is de...

There are various designs to improve website navigation. However, a fundamental issue is still not addressed in all these designs: the consistency of navigation models across different websites. In addition, almost all of the current designs are static and passive; users have to adapt their navigation behaviors to each model and follow it all the time on a particular website. The problem is not...

Usability testing is an important method for examining how system users understand and use a system to complete a specific task. This research method is used by system developers to test and evaluate automated tools ranging from information systems, web-based questionnaires, and websites. RTI International recently implemented a large-scale, multi-site usability testing effort to assist in the ...

In this paper I will present a case study of eight generational web usability tests. The tests are focused around three web usability standards which are defined by leaders of the online usability world. The results are then compared to two different generations in regards to their experience with information and communication technology (ICT). The two generations are based on definitions outli...

Web site usability is concerned with how easy and intuitive it is for individuals to learn to use and interact with a Web site. It is a measure of the quality of a Web site’s presence, as perceived by users. The usability of Web sites is important, because high usability is associated with a positive attitude toward the Web site and results in higher online transactions. Poorly designed Web sit...

This paper addresses the problem of knowledge templates update in product development. A framework is developed to support template instances update process by providing a decision support system and an update strategy. An Issue-Based Information system is designed to allow the collaboration among various experts in order to solve template related problems. An ontology is used to represent and ...

While a foundational ontology can solve interoperability issues among the domain ontologies aligned to it, multiple foundational ontologies have been developed. Thus, there are still interoperability issues among domain ontologies aligned to different foundational ontologies. Questions arise about the feasibility of linking one’s ontology to multiple foundational ontologies to increase its pote...