As shown in Italian census and in many international  reports, real estate property portfolio is heterogeneous, for this reason,  enhancement strategies require different actions for different functions the  properties are used for \citep*{article} \citep{articleh}.
According to expert, the public property could be  divided in two categories: “core business” assets and “asset management”. The  first one provides services to the community, the second one provides service  indirectly.
\citet{articlei} divides these two categories in different types  of real estate assets:
The first two types of property raise matters of efficiency and the  research concentrates on the sec-ond one, namely, instrumental assets that  support service delivery or operational property, property which an organization  uses and/or owns in order to undertake its main function (Gibson, 1994).

Pro-active management