15. A system for an item listing presentation management, the system comprising: a query processor configured to identify a set of item listings, each item listing associated with an item or service being offered for sale and assigned to a leaf-level category; a query scope classifier configured to determine a scope of the query based on a dictionary of queries or a length of the query when the query is not found in the dictionary and identify one or more categories based on the scope of the query; and a search results generator configured to present a search results page with the item listings from the identified one or more categories.
15. A system for an item listing presentation management, the system comprising: a query processor configured to identify a set of item listings, each item listing associated with an item or service being offered for sale and assigned to a leaf-level category; a query scope classifier configured to determine a scope of the query based on a dictionary of queries or a length of the query when the query is not found in the dictionary and identify one or more categories based on the scope of the query; and a search results generator configured to present a search results page with the item listings from the identified one or more categories. 18. The system of claim 15 wherein the query scope classifier is configured to determine the scope of the query using a number of keywords in the query.