For each table retrieve all columns and their foreign key relations
Retrieving foreign keys:
http://www.java2s.com/Code/Java/Database-SQL-JDBC/GetForeignKeys.htm
Calculates the f score of a precision-recall-pair where the parameter beta controls
the weighing of precision against recall (use 1.0 for the original f or f1-score with equal weights).
http://dbpedia.org/resource/J%C3%BCrgen_Prochnow
will be rendered as:
Jürgen Prochnow by the following operations:
- strip namespace
- urldecode
- replace _ by whitespace
Note this class is supposed to use certain terminology:
uri - the full uri http://dbpedia.org/resource/London
prefix - the shortcut canonical to prefix.cc
namespace - the "common part" of uris, e.g.