Identifying relationships of interest of entities

A system, comprising:

• a memory for storing a computer program for identifying links representing relationships of interest in a data modeling system;
• and
• a processor connected to said memory, wherein said processor is configured to execute the program instructions of the computer program comprising:
• receiving a query;
• analyzing said query to identify each dumbbell in said query, wherein said dumbbell is a link with a first entity at a first end of said link and a second entity at a second end of said link;
• identifying a dumbbell in said query that has not been considered;
• examining said identified dumbbell to determine if said identified dumbbell includes an output item in a form of said dumbbell's link or one of said first and second entities;
• keeping said identified dumbbell in response to said identified dumbbell including said output item;
• discarding property values of items of said identified dumbbell in response to said identified dumbbell including said output item;
• and
• adding said kept dumbbell to a catalogue of relationships including a link type and entity types of said kept dumbbell in response to said catalogue of relationships not already listing a stored dumbbell having said link type and entity types.