XML is an acronym of Extensible Markup language and is used for encoding information to machine readable formats. XML is usually compared with HTML, but they are clearly different purposes. HTML is for displaying content and XML is for encoding content itself. For example, in HTML environment, a machine can just display or represent ‘FORD’ with some specific font style and size according to the rule by established by HTML tag, but a machine can understand ‘FORD’ as an auto-maker thanks to the XML tag in the XML environment. This is significant because we need to co-relate information for better digital information environment. In this view, we can say that XML assists to achieve semantic web, and the ontology could have been developed based on XML.
After reading these three reading materials, I realized that there are a lot of studying materials about XML in online. I, literally, experienced why a user needs effective and efficient information retrieving tools to find the resource for his/her information needs.
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