HTML5之外的语义标准 http://www.ituring.com.cn/article/908
WAI-ARIA
WAI-ARIA无障碍网页应用属性完全展示 http://www.zhangxinxu.com/wordpress/2012/03/wai-aria-%E6%97%A0%E9%9A%9C%E7%A2%8D%E9%98%85%E8%AF%BB/
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%E6%89%A9%E5%B1%95-%E5%BE%AE%E6%95%B0%E6%8D%AE-%E4%B8%B0%E5%AF%8C%E7%BD%91%E9%A1%B5%E6%91%98%E8%A6%81/