There is no automatic on line registration with a long questionary. If you would like to have a look at DEMs just for fun, its OK, you can see a simple GUI with statistical data of ensambles. If you are a researcher of the evolution or the intelligence, you should register by email contact with Istvan Elek (elek AT map.elte.hu). If you can take a scientist of the evolution into consideration you will get an account for the database with read only rights. In this case you should be an expert of SQL in order to make selections on DEMs' database.