Review Comment:
This parker describes an ontology, named SAREF for Industry and Manufacturing (SAREF4INMA), for the industry and manufacturing domain.
It is developed as an extension of the the Smart Applications REFerence ontology (SAREF) ontology which created to interconnect data, enabling the communication between IoT devices.
The ontology was developed through the LOT (Linked Open Terms) methodology which includes some steps such as ontology requirement specification, ontology implementation, ontology publication, ontology maintenance.
Though this paper gives good overview of the LOT methodology with how the authors applied the methodology to their domain, it is not enough clear what is key issues to develop the ontology.
I could understand that the authors show some concepts which were not covered in the existing ontology.
However, I cannot understand there were any issues or difficulties to overcome for define/impalement these concepts in the ontology. In other words, this paper looks like that it just introduces added concepts without consideration about ontology design issues or new ideas for ontology developments.
I guess that the authors have some experiences about such issues through their ontology development processes. The authors should consider to discuss about that.
The followings some topics that should be discussed in this paper.
- Some concepts are defined in the proposed ontology. Could you show some statistical information such as the numbers of classes, properties, axioms, etc. in comparison to the existing ontology. I think it is more informative if it is shown according to kinds of concepts.
-"Batch" looks like one of very important concept in the proposed ontology. Though definitions/implementations of some kinds of “Batch” are explained, the author should discuss about design issues and/or design policy for these concepts from not domain knowledge but ontology engineering viewpoints.
-In section 4.1, two cycles are introduced as concepts especially needed. How these concepts are defined in the ontology?
-Section 6 discusses that some topics and categories to be out of scope in the proposed ontology. Could you give the reason? I think that it could be valuable information for the reader so that study some ontology development decisions.
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