1. A method of delivering content to a content reviewer using a user interface (UI), said method comprising: providing a first UI tool for receiving a user query and for searching a set of content items based on the user query; providing a second UI tool for retrieving a plurality of tag chains associated with a particular content item in the set of content items, each particular tag chain providing a description of the particular content item using a plurality of tags and one of a plurality of different operators that identifies a relationship between the plurality of tags, wherein the plurality of different operators include at least one operator that indicates two tags in the plurality of tags are equal or one of the two tags has a greater weight than the other tag in describing the content item, wherein the particular tag chain is associated with a metric that indicates the trustworthiness of the particular tag chain based on a user that specified the particular tag chain; and providing a UI display area for displaying the set of content items.
1. A method of delivering content to a content reviewer using a user interface (UI), said method comprising: providing a first UI tool for receiving a user query and for searching a set of content items based on the user query; providing a second UI tool for retrieving a plurality of tag chains associated with a particular content item in the set of content items, each particular tag chain providing a description of the particular content item using a plurality of tags and one of a plurality of different operators that identifies a relationship between the plurality of tags, wherein the plurality of different operators include at least one operator that indicates two tags in the plurality of tags are equal or one of the two tags has a greater weight than the other tag in describing the content item, wherein the particular tag chain is associated with a metric that indicates the trustworthiness of the particular tag chain based on a user that specified the particular tag chain; and providing a UI display area for displaying the set of content items. 4. The method of claim 1 , wherein different users are associated with different user types, wherein the metric is calculated at least partly based on a type of user associated with the user.