1. A method comprising: receiving, by a computing device, a selection of a first sub-branch of a parent branch of a graphical selection tree, wherein: the parent branch of the graphical selection tree is associated with a data dimension, the first sub-branch is associated with a generic data attribute associated with the parent branch of the graphical selection tree, a second sub-branch is added as a sub-branch of the parent branch of the graphical selection tree after the selection of the first sub-branch, and the second sub-branch is a specific instance of the generic data attribute associated with the parent branch of the graphical selection tree; responsive to the selection of the first sub-branch of the parent branch of the graphical selection tree, automatically selecting, by the computing device and without receiving user input to select the second sub-branch of the parent branch of the graphical selection tree, the second sub-branch of the parent branch of the graphical selection tree; and generating, by the computing device, a query to request, from a data storage system, data for each selected data metric that matches the specific instance of the generic data attribute corresponding to one of a plurality of selected sub-branches, wherein the plurality of selected sub-branches includes the automatically selected second sub-branch.