A system to associate a plurality of members with a component, associate a member type with one of the plurality of members, and associate a value tag attribute with the one of the plurality of members. Some aspects include receipt of an instruction to access data associated with a member of a component, determination of whether the member is associated with a first tag attribute, and issuance, if the member is associated with the first tag, of a first query for the data associated with the member of the component and for data associated with each other member of the component that is associated with a respective tag attribute.