I think that a square matrix can just be done by aggregation.
Best,
Stefano
On 20/03/2019 16:33, Massimo Pizzol
wrote:
>>>2. We don't need the concept of a
reference flow to make a technosphere matrix,
But we need that to make a square matrix. The
question is whether it needs to be specified in the ontology
or can be done externally like in the case of the biosphere.