| 摘要 |
Providing search results is disclosed. A search query is received and a plurality of preprocessing functions to be performed on the search query is determined based at least in part on a search label corresponding to the search query. The plurality of preprocessing functions is performed on the search query to obtain a plurality of preprocessed search queries. Based at least in part on precision levels associated with the plurality of preprocessed search queries, a search plan comprising a selected preprocessed search query is generated. The search plan is input to the search engine to obtain the search results.
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