Table 3.

Dimensions and hierarchies.

Dimension	Degree	Hierarchies
Time	5	$J_{\mathrm{Time}}:\mathrm{idTime}\to \mathrm{hour}\to \mathrm{day}\to \mathrm{month}\to \mathrm{year};\mathrm{Week}$
Building	2	$J_{\mathrm{Building}}:\mathrm{idBuilding}\to \mathrm{buildingType}\to \mathrm{city}$
Activity	3	$J_{\mathrm{Activity}}:\mathrm{idActivity}\to \mathrm{typeActivity}\to \mathrm{status}\to \mathrm{specialty}$
Space	5	$J_{\mathrm{Space}}:\mathrm{idSpace}\to \mathrm{typeSpace}\to {\mathrm{m}}^2\to \mathrm{ability}\to \mathrm{plant}$