USEFul: A Framework to Mainstream Web Site Usability Through Automated Evaluation
USEFul: A Framework to Mainstream Web Site Usability Through Automated Evaluation
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USEFul：通过自动评估使网站可用性主流化的框架
DOI：
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发表时间：
2012
期刊：
影响因子：
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通讯作者：
J. Mifsud
中科院分区：
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作者：
A. Dingli;J. Mifsud
一个悖论已经被观察到，即网站的可用性被证明是一个网站的基本要素，但在同一时间存在大量的网页与可用性差。这一差异是由于目前的限制，使商业部门的网络开发人员无法制作可用的网站。在本文中，我们提出了一个框架，其目标是通过自动化的可用性评估过程的某些方面来缓解这个问题。主流化是自动化的结果，因此使可用性领域的非专家能够进行评估。这导致与这种评价相关的成本降低。此外，该框架允许灵活地添加、修改或删除指南，而不改变引用它们的代码，因为指南和代码是两个独立的组件。使用该框架对网站可用性专业人员进行的网站发布的评估结果进行比较，发现该框架能够自动识别大多数可用性违规行为。由于其评价的一致性，它确定了人类评价人员未发现的其他指南相关违规行为。
A paradox has been observed whereby web site usability is proven to be an essential element in a web site, yet at the same time there exist an abundance of web pages with poor usability. This discrepancy is the result of limitations that are currently preventing web developers in the commercial sector from producing usable web sites. In this paper we propose a framework whose objective is to alleviate this problem by automating certain aspects of the usability evaluation process. Mainstreaming comes as a result of automation, therefore enabling a non-expert in the field of usability to conduct the evaluation. This results in reducing the costs associated with such evaluation. Additionally, the framework allows the flexibility of adding, modifying or deleting guidelines without altering the code that references them since the guidelines and the code are two separate components. A comparison of the evaluation results carried out using the framework against published evaluations of web sites carried out by web site usability professionals reveals that the framework is able to automatically identify the majority of usability violations. Due to the consistency with which it evaluates, it identified additional guideline-related violations that were not identified by the human evaluators.