探索语言技术,为WCAG 2.0和E2R指南提供支持

Lourdes Moreno, Paloma Martínez, Isabel Segura-Bedmar, Ricardo Revert
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引用次数: 4

摘要

部分公民在阅读和理解包含长句子、不寻常词汇、复杂语言结构等的文本时面临无障碍障碍。在创建文本时应考虑可读性和可理解性。为了使在线文本更容易访问,有一些倡议,如易读(E2R)和Web内容可访问性指南(WCAG) 2.0,但它们并没有涵盖在这方面出现的所有需求。除了可访问性指导方针和E2R规则之外,还需要支持文本作者身份的技术,因为不可能将文本转换为易于阅读和理解的文本。为了满足可访问性和E2R指南对(半)自动化支持的需求,提出了自然语言处理(NLP)资源和方法的应用。本文介绍了E2R准则,并获得了WCAG关于可读性和可理解性的准则子集。此外,对可及性方面的自然语言处理技术进行了综述。为了说明使用PLN方法改善可及性的建议,介绍了一个简化西班牙语药品包装传单的用例。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Exploring language technologies to provide support to WCAG 2.0 and E2R guidelines
Part of citizenship faces accessibility barriers when they read and understand texts containing long sentences, unusual words, complex linguistic structures, etc. Readability and understanding should be considered when texts are created. In order to make online texts more accessible, there are initiatives as Easy-to-Read (E2R) and Web Content Accessibility Guidelines (WCAG) 2.0, however they do not cover every need that arises in this regard. In addition to accessibility guidelines and E2R rules, technology supporting the authorship of texts is required because the transformation of a text to an easier text to read and understandable is impossible. As a solution to the need to have (semi)automatic support to comply with accessibility and E2R guidelines, the application of Natural Language Processing (NLP) resources and methods is proposed. In this paper, E2R guidelines are introduced and a subset of WCAG guidelines regarding readability and understanding has been obtained. In addition, a review on NLP technology concerning accessibility is given. To illustrate this proposal for improving accessibility using PLN approaches, a use case for simplifying drug package leaflets in Spanish is introduced.
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