| 摘要 |
A content-based re-ranking (CBR) process may be performed on query results based on a selected keyword that is extracted from previous query results, and thereby increase a relevancy of search results. A search engine may perform the CBR process using a target image that is selected from a plurality of image search results, the CBR to identify re-ranked image search results. Keywords may be extracted from the re-ranked image search results. A portion of the keywords may be outputted as suggested keywords and made selectable by a user. Finally, a refined CBR process may be performed based on the target image and a received selection a suggested keyword, the refined CBR to output the refined image search results.
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