Patent Document ID: 8090724
Application ID: 11946637

Base Claim:
1. A method comprising: receiving an ordered collection of text-based terms; analyzing groupings of consecutive text-based terms in the ordered collection to identify occurrences of different combinations of consecutive text-based terms in the ordered collection; and maintaining frequency information representing the occurrences of the different combinations of consecutive text-based terms in the collection.

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Claim 12:
12. The method of claim 1 , wherein analyzing groupings of consecutive text-based terms in the ordered collection comprises: generating a hierarchical tree of the text-based terms in the collection, the hierarchical tree including a parent level and a child level, the parent level including a parent node representing a first unique text-based term in the ordered collection, the child level including at least one child node representing a second unique text-based term in the ordered collection. document.