Patent Document ID: 8285664
Application ID: 12611179

Base Claim:
1. A computer comprising a semantic network stored in its accessible memory, said semantic network comprising semantic network elements, the computer comprising: a first omission rule means; and a first index maintainer responsive to the first omission rule means, the omission rule means causing the first index maintainer to omit at least one link referencing a first node from a first index associated with the first node.

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Claim 3:
3. The computer of claim 1 , wherein: links can reference other links; a second link has a second index associated with it, the second index comprising references to the second link by other links; and the second index is maintained by a second index maintainer, which is responsive to a second omission rule means, the second omission rule means causing the second index maintainer to omit at least one link referencing the second link from the second index.