Updating dictionary

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It is shown that as a collection changes through addition and deletion of documents, the appropriate set of index terms may be determined without complete periodic regeneration of the dictionary.Results are presented for experiments involving a complete change in collection membership, with the dynamic dictionary updating methods shown to be effective.What excited the paper was the fact that we had included, for the first time, the verb bonk.

This saves you from one unneccessary dictionary lookup.

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As we know we can't update any dictionary collection element if we are iterating them using foreach loop.

With X' key lookup is O(size(U)) O(log N) which becomes O(log N) if the size of U is bounded.

A method for updating the dictionary in a dynamic information retrieval system is presented.

property is a Dictionary of property/value pairs that temporarily stores all pending property values.

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