HTML5之外的语义标准 http://www.ituring.com.cn/article/908
WAI-ARIA http://zha-zi.iteye.com/blog/2082130
WAI-ARIA无障碍网页应用属性完全展示 http://www.zhangxinxu.com/wordpress/2012/03/wai-aria-无障碍阅读/
W3C http://www.w3.org/TR/wai-aria/
RDFa 1.1 Primer - Third Edition http://www.w3.org/TR/rdfa-primer/
HTML5扩展之微数据与丰富网页摘要 http://www.zhangxinxu.com/wordpress/2011/12/html5扩展-微数据-丰富网页摘要/