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  1.  24
    Ontological Foundations of Competition.Tiago Prince Sales, Daniele Porello, Nicola Guarino, Giancarlo Guizzardi & John Mylopoulos - 2018 - In Stefano Borgo, Pascal Hitzler & Oliver Kutz (eds.), Formal Ontology in Information Systems: Proceedings of the 10th International Conference (FOIS 2018). Amsterdam: IOS Press. pp. 96-112.
    It is widely recognized that accurately identifying and classifying com- petitors is a challenge for many companies and entrepreneurs. Nonetheless, it is a paramount activity which provide valuable insights that affect a wide range of strategic decisions. One of the main challenges in competitor identification lies in the complex nature of the competitive relationships that arise in business envi- ronments. These have been extensively investigate over the years, which lead to a plethora of competition theories and frameworks. Still, the concept (...)
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  2.  51
    Relationships and Events: Towards a General Theory of Reification and Truthmaking.Nicola Guarino & Giancarlo Guizzardi - 2016 - In Advances in Artificial Intelligence: Proceedings of the 15th International Conference of the Italian Association for Artificial Intelligence. pp. 237-249.
    We propose a novel ontological analysis of relations and relationships based on a re-visitation of a classic problem in the practice of knowledge repre- sentation and conceptual modeling, namely relationship reification. Our idea is that a relation holds in virtue of a relationship's existence. Relationships are therefore truthmakers of relations. In this paper we present a general theory or reification and truthmaking, and discuss the interplay between events and rela- tionships, suggesting that relationships are the focus of events, which emerge (...)
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  3.  24
    Reification and Truthmaking Patterns.Nicola Guarino, Giancarlo Guizzardi & Tiago Prince Sales - 2018 - In J. Trujillo (ed.), Proceedings of 37th International Conference on Conceptual Modeling, ER 2018, Xi'an, China, October 22-25, 2018. Cham: Springer. pp. 151-165.
    Reification is a standard technique in conceptual modeling, which consists of including in the domain of discourse entities that may otherwise be hidden or implicit. However, deciding what should be rei- fied is not always easy. Recent work on formal ontology offers us a simple answer: put in the domain of discourse those entities that are responsible for the (alleged) truth of our propositions. These are called truthmakers. Re-visiting previous work, we propose in this paper a systematic analysis of truthmaking (...)
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