14. A computer program product stored on a computer readable medium, the product operable to maintain an index in a semantic network element, and the product comprising: a computer readable program code means for causing a computer to index a plurality of links into an index associated with a semantic network element; and a computer readable program code means for causing the computer to omit at least one link from the index based on a first omission rule.
14. A computer program product stored on a computer readable medium, the product operable to maintain an index in a semantic network element, and the product comprising: a computer readable program code means for causing a computer to index a plurality of links into an index associated with a semantic network element; and a computer readable program code means for causing the computer to omit at least one link from the index based on a first omission rule. 17. The computer program product of claim 14 , further comprising: a computer readable program code means for causing the computer to modify at least one omission rule based on information collected about the use of indexes in inferences.