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- Kuzniarz, Ludwik, et al.
(författare)
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An Empirical Study on Using Stereotypes to Improve Understanding of UML Models
- 2004
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Konferensbidrag (refereegranskat)abstract
- Stereotypes were introduced into the Unified Modeling Language (UML) to provide means of customizing this visual, general purpose, object-oriented modeling language, for its usage in specific application domains. The primary purpose of stereotypes is to brand an existing model element with a specific semantics. In addition, stereotypes can also be used as notational shorthand. The paper elaborates on this role of stereotypes from the perspective of UML, clarifies the role and describes a controlled experiment aimed at evaluation of the role – in the context of model understanding. The results of the experiment support the claim that stereotypes with graphical icons for their representation play a significant role in comprehension of models and show the size of the improvement.
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| 3. |
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| 4. |
- Kuzniarz, Ludwik, et al.
(författare)
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Extracting information about domain structure from DAML+OIL encoded ontologies into UML
- 2002
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- The report presents and elaborates on the details of knowledge acquisiton process from ontologies into domain models. It identifies the knowledge about the domain structure which already exist in form of ontologies, and it also gives the justification why is this knowledge important from domain models perspective. The general idea along with the detailed description and implementation of the process is presented. As the process is based on various XML based technologies, these are shown and described. A small example is introduced for depiction of the practical usage of the method.
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| 5. |
- Kuzniarz, Ludwik, et al.
(författare)
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Extracting Initial UML Domain Models from Daml Plus OIL Encoded Ontologies
- 2002
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Konferensbidrag (refereegranskat)abstract
- The paper presents and elaborates on an automatic method for creating initial domain model using part of the knowledge contained in ontologies. It describes the method of how the initial domain model expressed in Unified Modeling Language (UML) can be obtained in an automated way from ontologies encoded in DAML+OIL. The solution is presented in the context of Unified Software Development Process, which uses UML as a modelling language. The elements necessary for construction of domain models are identified; a procedure for finding them in DAML+OIL encoded ontologies is described followed by suggestions for incorporation of the automatic domain model construction into software development process
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| 6. |
- Kuzniarz, Ludwik, et al.
(författare)
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Generating Domain Models from Ontologies.
- 2002
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Ingår i: International Conference on Object-Oriented Information Systems, LNCS, Springer. - Montpellier, France : SPRINGER-VERLAG BERLIN.
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Konferensbidrag (refereegranskat)abstract
- The paper presents and elaborates on the idea of automatic acquisition of knowledge about domain structure from ontologies into an object-oriented software development process. The information required to be included in the domain model produced during the development process is identified. The existence of the knowledge in ontologies is investigated. Requirements for ontology description languages are formulated followed by brief evaluation of existing languages against these requirements. A schema for domain knowledge acquisition is outlined. A realization of the schema is sketched in the paper while the implementation details can be found in the technical report.
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| 7. |
- Kuzniarz, Ludwik, et al.
(författare)
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Improving UML-based software development by using stereotypes for modeling persistency
- 2003
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Konferensbidrag (refereegranskat)abstract
- Persistency constitutes an important issue in software development and is of particular importance within object oriented design. However it seems that identification of persistent objects and their later design have not been given enough attention. The paper investigates one of UML-based software development process from the perspective of modeling persistency. Drawbacks of currently used typical approaches to modeling persistent data are identified and compared with mature techniques for database modeling. An improvement of the development process by providing means for modeling of persistency at early stages and introduction of data modeling technique into UML-based development process is proposed. The proposal is supported by a definition of UML persistent data modeling profile based on the usage of database technology for implementation persistency. Integration of the improvement with existing solutions for realization of persistency is also discussed.
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| 8. |
- Kuzniarz, Ludwik, et al.
(författare)
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On model transformations in UML-Based Software Development Process
- 2003
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Konferensbidrag (refereegranskat)abstract
- Unified Modeling Language (UML) is becoming widely accepted standard notation for expressing artifacts within software development process. One of basic activities performed within such development process is producing new or modifying existing artefacts. This activity can be viewed as performing transformations. This work presents problem area of UML model transformations. It starts with clarification of the notion of a transformation and classification of transformations. Further it includes an attempt to introduce a systematic way of defining and implementing UML transformations. Focus is on practical aspects of the definition and the implementation process. An example of the usage of the approach is presented. Advantages of the approach are highlighted and research problems are listed.
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