| 摘要 |
<p>Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for providing query suggestions. In one aspect, a method includes receiving a search string from a user device. A measure of query completeness is determined for the search string. The measure of query completeness is compared to a threshold measure of query completeness. One or more specific query suggestions are provided to the user device, selected from a plurality of specific query suggestions for the search string, when the measure of query completeness exceeds the threshold measure of query completeness; or one or more general query suggestions are provided to the user device, selected from a plurality of general query suggestions for the search string, when the measure of query completeness does not exceed the threshold measure of query completeness.</p> |
