| 摘要 |
Queries submitted by users looking for products and/or services are monitored and collected over a time period. Webpages corresponding to products and/or services bought by the users in response to submitting the queries are also monitored and collected over the time period. Attributes are extracted from the webpages and the queries, and the attributes are correlated to identify attributes that are similar to one another. The attributes are correlated to identify attributes that are not substitutable in a query. The identified attributes may be used to rank products and/or services that are responsive to a query based on attributes associated with the products and/or services, or to recommend alternative queries based on a submitted query by substituting one or more attributes of the query with similar attributes.
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