25. A computer-readable medium containing instructions executable by one or more devices, comprising: one or more instructions to identify comments associated with a particular document; one or more instructions to generate objective scores for the comments, where the objective scores are independent of users; one or more instructions to identify a user accessing the particular document; one or more instructions to generate subjective scores for the comments based on the identified user and based on authors of the comments; one or more instructions to combine the objective scores and the subjective scores; and one or more instruction to provide the comments, ranked based on the combined scores, to the user for presentation in connection with the particular document.
25. A computer-readable medium containing instructions executable by one or more devices, comprising: one or more instructions to identify comments associated with a particular document; one or more instructions to generate objective scores for the comments, where the objective scores are independent of users; one or more instructions to identify a user accessing the particular document; one or more instructions to generate subjective scores for the comments based on the identified user and based on authors of the comments; one or more instructions to combine the objective scores and the subjective scores; and one or more instruction to provide the comments, ranked based on the combined scores, to the user for presentation in connection with the particular document. 27. The computer-readable medium of claim 25 , where the subjective rank score for a particular one of the comments is additionally based on subjective rank parameters that include at least one of: an indication that the user is an author of the particular comment, an indication that the user has previously rated the particular comment, an indication that a language of the particular comment is a language that has been identified as acceptable for the user, an indication that a topic associated with the particular comment has been identified as a topic in which the user has expressed an interest, an indication that a location associated with the particular comment matches a location associated with the user, and an indication that terms in a content of the particular comment match terms in a search history of the user.