Submitted on: 09 June 2003.
Revised on: 12 September 2003.
Accepted on: 10 November 2003.
___________________Applied Ontology---IOS PRESS
Submitted on: 13 July 2010.
Revised on: 04 November 2010.
Accepted on: 22 December 2010.
___________________Applied Ontology---IOS PRESS
Submitted on: 24 May 2016.
Revised on: 08 September 2016.
Accepted on: 12 October 2016.
___________________Applied Ontology---IOS PRESS
Submitted on: 22 November 2016.
Revised on: 03 March 2017.
Accepted on: 01 May 2017.
___________________Applied Ontology---IOS PRESS
Submitted on: 06 November 2007.
Revised on: 17 December 2007.
Accepted on: 29 December 2007.
___________________Applied Ontology---IOS PRESS
Submitted on: 10 April 2020.
Revised on: 06 July 2020.
Accepted on: 18 August 2020.
___________________Applied Ontology---IOS PRESS