13. A system comprising: a memory to store instructions; and a processor to execute the instructions in the memory to: receive at least one of: a rating for a model, or a comment for the model, the model being created by a user, the model including information relating to a computation, associate, in the memory, the at least one of the rating or the comment with information associated with the model, receive a request for the model, the request being received after associating the at least one of the rating or the comment with the information associated with the model, and provide, based on receiving the request, a document that includes the information associated with the model and information that is based on the at least one of the rating or the comment, the information associated with the model including: information identifying a quantity of comments received for the model, information identifying a date or a range of dates when the model was received by the processor, and information identifying a quantity of downloads of the model.
13. A system comprising: a memory to store instructions; and a processor to execute the instructions in the memory to: receive at least one of: a rating for a model, or a comment for the model, the model being created by a user, the model including information relating to a computation, associate, in the memory, the at least one of the rating or the comment with information associated with the model, receive a request for the model, the request being received after associating the at least one of the rating or the comment with the information associated with the model, and provide, based on receiving the request, a document that includes the information associated with the model and information that is based on the at least one of the rating or the comment, the information associated with the model including: information identifying a quantity of comments received for the model, information identifying a date or a range of dates when the model was received by the processor, and information identifying a quantity of downloads of the model. 14. The system of claim 13 , where the document further includes a plurality of elements to rate the model, each of the plurality of elements corresponding to a different rating of a plurality of ratings, where, when receiving the at least one of the rating or the comment, the processor is to detect selection of one of the plurality of elements, and where, when associating the at least one of the rating or the comment with the information associated the model, the processor is to associate a rating that is based on a particular rating, of the plurality of ratings, corresponding to the selected one of the plurality of elements, with the information associated with the model.