Aspect-aware autocomplete query

One or more non-transitory computer storage media storing computer-readable instructions that when executed by a processor, cause the processor to perform operations, the operations comprising:

• receiving, at a search engine for a site, a search query from a user;
• determining whether the search query is a completed search query based on the search query received;
• determining a refinement option associated with the completed search query based on visual image similarity measurements between an image signature of an image associated with the completed search query and images of item listings associated with prior user interactions of the user;
• and
• providing a first suggestion for the refinement option.

A system comprising:

• at least one processor;
• and
• one or more computer storage media storing computer-readable instructions that when executed by the at least one processor, cause the at least one processor to perform operations comprising:
• receiving, at a search engine for a site, a portion of a search query from a user;
• determining a completed search query based on the portion of the search query;
• determining a refinement option associated with the completed search query by comparing a predicted leaf-category associated with the completed search query with keywords within descriptions of item listings associated with prior user interactions of the user;
• and
• providing a first suggestion for the refinement option prior to the user submitting the completed search query for search results.