Results 1 - 7 of 7

Using the unified foundational ontology (UFO) as a foundation for general conceptual modeling languages

by Giancarlo Guizzardi, Gerd Wagner - In: Theory and Applications of Ontology: Computer Applications , 2010
"... Abstract. In recent years, there has been a growing interest in approaches that employ ontological models as theoretical tools for analyzing and improving conceptual modeling languages. In this paper we present a philosophically and cognitively well-founded formal ontology which has been developed w ..."
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Abstract. In recent years, there has been a growing interest in approaches that employ ontological models as theoretical tools for analyzing and improving conceptual modeling languages. In this paper we present a philosophically and cognitively well-founded formal ontology which has been developed with the special purpose of serving as a foundation for general conceptual modeling lan-guages. Furthermore, we demonstrate how this foundational ontology named the Unified Foundational Ontology (UFO) has been used to evaluate and redes-ign the metamodel of the Unified Modeling Language (UML) for the purpose of conceptual modeling. 1
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Wearable computing for aircraft maintenance: Simplifying the user interface

by Tom Nicolai, Thomas Sindt, Hendrik Witt, Jörn Reimerdes, Holger Kenn - In: Proceedings of the 3rd International Forum on Applied Wearable Computing (IFAWC , 2006
"... Abstract. In this paper we present results from the realization of a wearable computing system with the goal to shorten the maintenance process in the aircraft industry. The project combines knowledge management with wearable computing to enable instant access to an electronic logbook, aircraft manu ..."
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Abstract. In this paper we present results from the realization of a wearable computing system with the goal to shorten the maintenance process in the aircraft industry. The project combines knowledge management with wearable computing to enable instant access to an electronic logbook, aircraft manuals, and experience knowledge. This research is part of an ongoing project which is carried out in cooperation with an aircraft company. The paper elaborates on user interface issues for a hybrid wearable/hand-held interface with an abstract representation to separate the application from any concrete UI. The semantic representation of maintenance data as well as clothing aspects are also addressed. 1
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Agent Roles, Qua Individuals and The Counting Problem

by Giancarlo Guizzardi
"... Abstract. Despite the relevance of the concept of role for conceptual modeling and agent-orientation, there is still in the literature a lack of consensus on the meaning of this notion and how it should be incorporated in existing conceptual modeling languages and frameworks. In this paper, we offer ..."
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Abstract. Despite the relevance of the concept of role for conceptual modeling and agent-orientation, there is still in the literature a lack of consensus on the meaning of this notion and how it should be incorporated in existing conceptual modeling languages and frameworks. In this paper, we offer a contribution to this problem by employing a well-founded reference ontology (UFO) to analyze and reconcile two competing notions of role existing in the conceptual modeling literature. Moreover, a modeling solution based on this ontology is proposed, which incorporates the benefit of the two approaches analyzed. 1
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In Defense of a Trope-Based Ontology for Conceptual Modeling: An example with the foundations of Attributes, Weak Entities and Datatypes

by Giancarlo Guizzardi, Claudio Masolo, Stefano Borgo
"... Abstract. In recent years, there has been a growing interest in approaches that employ foundational ontologies as theoretical tools for analyzing and improving conceptual modeling languages. However, some of these approaches do not always make explicit their ontological commitments. This leads to si ..."
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Abstract. In recent years, there has been a growing interest in approaches that employ foundational ontologies as theoretical tools for analyzing and improving conceptual modeling languages. However, some of these approaches do not always make explicit their ontological commitments. This leads to situations where criticisms resulting from the specific ontological choices made by a particular approach are generalized to the enterprise of ontology as a whole. In this paper we discuss an example of such a case involving the BWW approach. First, we make explicit the ontological commitments underlying that approach by relating it to other possible philosophical alternatives. Second, we construct an ontological theory which commits to a different philosophical position. Third, we show how the ontology proposed here can be used to provide realworld semantics and sound modeling guidelines for the modeling constructs of Attributes, Weak Entities and Datatypes. Finally, we compare the ontology proposed here with BWW, thus demonstrating its benefits. 1
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Wearable Computing for Aircraft Maintenance:

by Simplifying The User, Tom Nicolai, Thomas Sindt, Hendrik Witt, Jörn Reimerdes, Holger Kenn - In: Proceedings of the 3rd International Forum on Applied Wearable Computing (IFAWC , 2006
"... In this paper we present results from the realization of a wearable computing system with the goal to shorten the maintenance process in the aircraft industry. The project combines knowledge management with wearable computing to enable instant access to an electronic logbook, aircraft manuals, a ..."
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In this paper we present results from the realization of a wearable computing system with the goal to shorten the maintenance process in the aircraft industry. The project combines knowledge management with wearable computing to enable instant access to an electronic logbook, aircraft manuals, and experience knowledge. This research is part of an ongoing project which is carried out in cooperation with an aircraft company. The paper elaborates on user interface issues for a hybrid wearable/hand-held interface with an abstract representation to separate the application from any concrete UI. The semantic representation of maintenance data as well as clothing aspects are also addressed.

Case Study of Wearable Computing

by For Aircraft Maintenance, Tom Nicolai, Thomas Sindt, Holger Kenn, Hendrik Witt - 2nd International Forum on Applied Wearable Computing (IFAWC , 2005
"... In this paper we present a concept for a combination of wearable computing and knowledge management with the goal to shorten the maintenance process in the aircraft industry. This research is part of an ongoing project which is carried out in cooperation with an aircraft company. ..."
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In this paper we present a concept for a combination of wearable computing and knowledge management with the goal to shorten the maintenance process in the aircraft industry. This research is part of an ongoing project which is carried out in cooperation with an aircraft company.

Empowering Aircraft Maintenance with Wearable Computing: An Industrial Case Study

by Tom Nicolai, Thomas Sindt, Hendrik Witt, Holger Kenn, Otthein Herzog
"... Abstract. In this paper we present a concept for a combination of wearable computing and knowledge management with the goal to shorten the maintenance process in the aircraft industry. This research is part of an ongoing project which is carried out in cooperation with an aircraft company. This pape ..."
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Abstract. In this paper we present a concept for a combination of wearable computing and knowledge management with the goal to shorten the maintenance process in the aircraft industry. This research is part of an ongoing project which is carried out in cooperation with an aircraft company. This paper describes the functions of the wearable devices as well as the conceptual realization. While the purpose of the project is to create a fully functional wearable system, this paper focuses on the following topics: (a) the use case and requirements as well as non-technical issues, (b) the additional aircraft infrastructure including a localization system, (c) the wearable computing hardware based on a commercial PDA with a custom input device, (d) an adaptive user interface for alternative usage of the PDA in handheld mode and wearable mode, and (e) a knowledge management system to store and navigate the aircraft’s product model and to organize experience knowledge. 1
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