24. The computer program product of claim 19 , wherein the operations further comprise determining a semantic distance between the first element and a plurality of other elements including evaluating a sum of strengths of connections between the first element and the other element in the semantic space.
25. The computer program product of claim 24 , wherein the operations further comprise traversing multiple connections in the semantic space between the first element and each other element of the plurality of other elements, wherein the semantic distance between the first element and each other element is based on respective strengths of connections traversed between the first element and the other element.