| 摘要 |
A user submits an unstructured query that is analyzed to determine a mapping from attributes to attribute values. One or more matching items from a structured data set are determined based on the attribute values of attributes associated with the items. The matching items are displayed. One or more refinement attributes are displayed, each with one or more attribute values. The attribute values in the refinements that correspond to the attribute values of the query are shown as selected. If the user selects any of the refinement attributes, the query is revised to incorporate the attribute values of the selected refinements. New matching items are determined using the revised structured query. The revised structured query and the new matching items are displayed. This process can be iterated, by modification of the query or the refinements. The matching items, the selected refinement attribute values and the query are synchronized.
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