1. A system for searching for content, the system comprising: a hardware processor that is configured to: receive a media search query for one or more media assets; identify a plurality of web search results from a corpus of web resources that are responsive to the media search query; determine keyword information from a subset of the web search results, wherein a plurality of media entities are determined from at least a portion of the keyword information; assign a topic score for the each of the plurality of media entities based on occurrence in the web search results; select at least one media entity from the plurality of media entities based on the topic score; identify a plurality of media assets from a corpus of media assets based at least in part on the selected media entity; and cause a subset of the plurality of media assets to be presented to a user in response to the media search query.
1. A system for searching for content, the system comprising: a hardware processor that is configured to: receive a media search query for one or more media assets; identify a plurality of web search results from a corpus of web resources that are responsive to the media search query; determine keyword information from a subset of the web search results, wherein a plurality of media entities are determined from at least a portion of the keyword information; assign a topic score for the each of the plurality of media entities based on occurrence in the web search results; select at least one media entity from the plurality of media entities based on the topic score; identify a plurality of media assets from a corpus of media assets based at least in part on the selected media entity; and cause a subset of the plurality of media assets to be presented to a user in response to the media search query. 3. The system of claim 1 , wherein the hardware processor is further configured to rewrite the media search query by inserting one or more media terms prior to identifying the plurality of web search results from the corpus of web resources.