Methods, including computer programs encoded on a computer storage medium, for indexing native application data. In one aspect, a method includes: receiving a partial search query, determining that the partial search query is classified as a symptom query, in response to determining that the partial search query is classified as a symptom query, identifying one or more differential diagnosis terms, generating a suggested search query based at least on (i) the partial search query, and (ii) one or more of the differential diagnosis terms, and providing the suggested search query in response to the partial search query.
展开▼
