Semantics is not something new to the internet or websites. Semantics have been around since the ancient ages and we use them almost everyday in some situation or the other, vocally or in writing. Effective communication today consists of grammar, punctuation, sentence structure etc. But here is the surprising part: there are different sets of semantics being used around the world.
In English, you will not find the use of or as they are not English semantics. These differences can create problems in delivering effective communication through a semantic web.
HTML
HTML stands for HyperText Markup Language and it is like the universal web language. HTML is an easy to use and flexible code/language where you can integrate text and graphics together to create a scalable website. But HTML has one major drawback. Although it can define what content to place where on a web site page, it cant really discern the relationship between the content and its use for providing valuable results for various user queries. This is exactly the reason why SEs exist.
For example: There is a HTML page of product listings. The HTML code will define this as but it will not...