title: How to build a relevent benchmark of queries for database systems comparison?
body: <p>I plan a comparison study on performances of multiple database systems used in to store and access RDF data through a benchmark of queries. 
  I'm thinking about differents kind of database system (native RDF, relational, column-store and so on ...).</p>
  
  <p>My question concerns how to build my benchmark ? In other words. What are the most relevant queries  characteristics in which I must put more emphasis in order to highlight difference between those database, if any ?</p>