Embodiments relate to systems and methods employing personalized query expansion to suggest measures and dimensions allowing iterative building of consistent queries over a data warehouse. An activated word line WL0 is deactivated with appropriate timing that is between time after bit line pairs are differentially amplified up to full amplitude voltage level and time where column selecting lines CL0,. The selected neighbor cells are managed in a BA list. Mountingdismounting members allow the pressing portion to be selectively mounted to or dismounted from the frame.