18. The method of claim 17 , further comprising: receiving a search query; determining that the search query matches the final label for the non-text content item; and in response to the determination that the search query matches the final label, increasing a result score for the non-text content item, wherein the result score is a score with which a presentation order for non-text content items is selected.
18. The method of claim 17 , further comprising: receiving a search query; determining that the search query matches the final label for the non-text content item; and in response to the determination that the search query matches the final label, increasing a result score for the non-text content item, wherein the result score is a score with which a presentation order for non-text content items is selected. 21. The method of claim 18 , wherein increasing the result score for the non-text content item comprises multiplying a baseline result score for the non-text content item by a boost factor having a value greater than 1.0.