| 摘要 |
Parsing search terms includes receiving one or more search terms, each of the one or more search terms comprising one or more keywords, parsing the one or more search terms according to a research-related grammar comprising one or more rules to create one or more research-related parameters, each of the one or more research-related parameters describing one or more research-related expressions, the one or more rules comprising information about one or more parent-child relationship between two or more keywords. The parsing also includes creating an object for the one or more search terms, the object indicating the one or more research-related parameters.
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