Patent Document ID: 8589398
Application ID: 13366000

Base Claim:
1. A method comprising: identifying noise data using a demand factor that is based on relationships of items and categories to query terms of search queries; retrieving, from a plurality of listings, item data that is filtered from the noise data based on the demand factor; constructing, using a processor of a machine, at least one base cluster having at least one document with common item data stored in a suffix ordering; compacting the at least one base cluster to create a compacted cluster representation having a reduced duplicate suffix ordering amongst clusters; and merging the compacted cluster representation to generate a merged cluster based upon a first overlap value applied to the at least one document with common item data.

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Claim 9:
9. The method of claim 1 , further comprising merging the compacted cluster representation based upon at least one of a relevance-weight factor, a seller factor, a price factor, a category factor, or an image factor.