This book is for those who wants to create ontology in Protege 5.0. In this book, I explained semantic web, semantic web stack with examples, also explained how to create ontology in Protege step by step and also explained how to install protege and also explained how to install plugin graphviz in very easy way. If you want to construct your own ontology and also wants to create your research and academic work by own, then read my book. I explained everything with daily life examples. Hope you all like it.