Abstract: A network-based service may be provided for facilitating queries for a number of items, such as travel services. The items may be complimentary, such that users frequently desire to purchase two or more items in conjunction. A user may submit a query including criteria for determining one or more relevant items. Based on the submitted query, the network-based service may infer a desired travel plan of the user, such as a trip or vacation to a specific destination. The network-based service may use the inferred travel plan to generate queries for combinations of items that correspond to the inferred travel plan. These queries, or items corresponding to the queries, may then be returned to the user.

Abstract: A network-based service may be provided for facilitating queries for a number of items, such as travel services. A user may submit a query including criteria for determining one or more relevant items. Based on the submitted query, the network-based service may present the user with information regarding the actions of other similar users of the network-based service, such as searches performed by the other users. Based on this information, the user may elect to supplement the current query to conform to the actions for other users. In some embodiments, actions by other users may be based at least in part on a category of the querying user. By presenting actions of similar users, a current user may be enabled to select the most relevant query terms for identifying a desired item.