18. The system of claim 16 , the indexing component configured to: identify an entity referenced by the parent content; acquire descriptive information for the entity from a remote source; generate an entity summary for the entity based upon the descriptive information; and index the entity summary with the parent content into the search index.
19. The system of claim 18 , the search component configured to: receive a second search query; evaluate the search index using the second search query, comprising: responsive to the second search query corresponding to the entity summary, providing at least one of the parent content, the descriptive information, or the entity summary as a search result for the second search query.