20. The computer-readable memory device of claim 15 , where the generated score is a first score and the one or more instructions further cause the at least one processor to: generate a second score, for the document, that is based on a relevance of the document to a search query; and combine the first and second scores to generate an overall score, where the one or more instructions to rank the document further cause the at least one processor to: rank the document with regard to the at least one other document based on the overall score.
20. The computer-readable memory device of claim 15 , where the generated score is a first score and the one or more instructions further cause the at least one processor to: generate a second score, for the document, that is based on a relevance of the document to a search query; and combine the first and second scores to generate an overall score, where the one or more instructions to rank the document further cause the at least one processor to: rank the document with regard to the at least one other document based on the overall score. 21. The computer-readable memory device of claim 20 , where the one or more instructions to combine the first and second scores further cause the at least one processor to: adjust the second score by an amount that is based on the first score.