Extensible Markup Language Language It has a grammar It has a vocabulary (sort of) It can be parsed by machines Markup Language It says what things are; not what they do It is not a programming language It is not compiled Extensible You can add words to the language Languages for Semantic WebLanguages for Semantic Web 10 Extensible Markup Language • Language – It has a grammar – It has a vocabulary (sort of) – It can be parsed by machines • Markup Language – It says what things are; not what they do – It is not a programming language – It is not compiled • Extensible – You can add words to the language