1. A computer-implemented method for displaying a filterable hierarchy, the method comprising: receiving, in an application, a user input that requests at least part of a hierarchy to be displayed; generating a request based on the user input, and forwarding the request to a server for performing a query on non-hierarchical information in a database; receiving, in the application, a response by the server to the request; identifying, in the response, at least one selectable node in the hierarchy and at least one non-selectable visible node in the hierarchy; and presenting, using the application, a view in which the selectable node and the non-selectable visible node are structured according to the hierarchy.