These constraints are new tools in radiation therapy, available for optimizing the dose distribution in target volume, sparing the organs at risk to protect the organ function or at least decreasing the late functional damages like xerostomia.
** American Rousseauism, with its worship of open plains and its dread of civic constraint, is nothing new.
The only constraint is that the new objects be related to each other in a consistent system which can be operated on without reference to their previous meaning.
This is another improvement over previous methods, where a new term in the objective function or a new constraint is added to include the equity.
The new constraint is technological, not bureaucratic.
It should be noted that this new constraint is more restrictive than all the previous ones.
The purpose for this new constraint is to provide traceability between the conceptual model and source code elements.
With each iteration of the DEA model, one problem is solved and a new constraint is added.
If the global constraint is satisfied by assigning new local constraints to the violated nodes, then the global top-k result remains valid.
