The purpose of this document is to explain, on a concrete manner, how to publish data in the semantic web with fairly easy-to-use tools such as those presented in this document. A brief explanation on what is semantic web is delivered and then the complete methodology is explained using an example of publication of metadata on soil physical analyses. The reader must be aware that this work is still on-going and this document must be seen only as an example of using the different tools that are presented in it.