1. A method comprising: determining, by a processor, one or more metric values for a news source based at least in part on at least one of a number of articles produced by the news source during a first time period, an average length of an article produced by the news source, an amount of coverage that the news source produces in a second time period, a breaking news score, an amount of network traffic to the news source, a human opinion of the news source, circulation statistics of the news source, a size of a staff associated with the news source, a number of bureaus associated with the news source, a number of original named entities in a group of articles associated with the news source, a breadth of coverage by the news source, a number of different countries from which network traffic to the news source originates, or a writing style used by the news source determining, by the processor, an importance metric value representing the amount of coverage that the news source produces in a second time period, where the determining an importance metric includes: determining, by the processor, for each article produced by the news source during the second time period, a number of other non-duplicate articles on a same subject produced by other news sources to produce an importance value for the article, and adding, by the processor, the importance values to obtain the importance metric value; generating, by the processor, a quality value for the news source based at least in part on the determined one or more metric values; and using, by the processor, the quality value to rank an object associated with the news source.