\gls{SDS} can focus on a single \gls{SDS} on a single device. These \glspl{SDS}
are called share \glspl{SDS}. Using parametric lenses, the notifications can be
directed to only the watchers interested. Moreover, using parametric lenses,
\gls{SDS} can focus on a single \gls{SDS} on a single device. These \glspl{SDS}
are called share \glspl{SDS}. Using parametric lenses, the notifications can be
directed to only the watchers interested. Moreover, using parametric lenses,