. . "This frame describes means actions (Preparatory_acts) that are taken by an Agent for the purpose of preparing for a later act. Contrast this frame with a scenario involving earlier versions of some entity being superseded by later versions (e.g., preliminary results, advance copy). This update lays the groundwork for future improvements."@en . . . . "Preliminaries" . . . . "2007-04-03T14:01:38+02:00"^^ . . . . . . . . . . . . . . . . . . . . . "1928"^^ .