9. The method of claim 1 , further comprising: calculating quality scores for tags in the set of tags, based at least in part on tag ratings for the tags that are weighted based upon reliability values of users submitting the tag ratings; ordering the set of tags based on the quality scores.
9. The method of claim 1 , further comprising: calculating quality scores for tags in the set of tags, based at least in part on tag ratings for the tags that are weighted based upon reliability values of users submitting the tag ratings; ordering the set of tags based on the quality scores. 10. The method of claim 9 , wherein ordering the set of tags comprises determining a particular order for the set of tags relative to a particular item, wherein the ratings are relative to the particular item.