Recent Publications:



Gustas, R., Gustiene P. (2017). Principles of Semantically Integrated Conceptual Modelling Method. Business Modeling and Software Design, Revised Selected Papers, Springer, pp. 1-26. 

       

Gustas, R., Gustiene P. (2016). Interactions, Transitions and Inference Rules in Semantically Integrated Conceptual Modelling. Proceedings of the International Symposium on Business Modeling and Software Design, Rhodes, Greece, 20-22 June, pp. 11-21. 

      

Gustas, R., Gustiene, P. (2014) Conceptual Modeling Patterns of Business Processes. International Journal on Advances in Intelligent Systems, Vol.7, No 4, 2014, pp. 716-727.

 

  

Gustas, R., Gustiene P. (2014). Semantically Integrated Conceptual Modeling Method and Modeling Patterns. Systems and Software Development, Modeling and Analysis: New Perspectives and Methodologies, IGI Global, USA, pp. 1-33.  
 

Gustas, R., Gustiene P. (2014). Three Conceptual Modeling Patternsof Semantically Integrated Method. The 4-th International Conference on Business Intelligence and Technology, BUSTECH 2014, IARIA, pp 19-24.


Gustiene, P., Gustas, R. (2013). A Method for Data Minimization in Personal Information Sharing, Workshop on Modeling States, Events, Processes and Scenarios, Mumbai, India, pp. 33-44.  

Gustas, R., Gustiene P. (2012). Conceptual Modeling Method for Separation of Concerns and Integration of Structure and Behavior, International Journal of Information System Modeling and Design, Vol. 3, Issue No 1., pp. 48-77.  

Gustas R, Gustiene P. (2012). A Graphical Method for Conceptual Modelling of Business and Software Scenarios, 11th International Conference on Intelligent Software Methodologies, Tools and Techniques (SoMeT 2012), IOS press, pp. 238-253.  

Gustas, R. (2011). Modeling Approach for Integration and Evolution of Information System Conceptualizations, International Journal of Information System Modeling and Design, Vol. 2, Issue No 1, pp. 45-73.

 Gustas R, Gustiene P. (2011). A Method for Conceptual Modeling of  Semantically Integrated Use-case Scenarios, IFIP Conference on e-Business, e-Service and e-Society, Kaunas, Springer.

Gustas, R. (2011). Overlaying Conceptualizations for Managing Complexity of Scenario Specifications, IFIP WG8.1 Working Conference on Exploring Modeling Methods for Systems Analysis and Design, London, UK, pp. 398-412.

Gustiene, P., Gustas, R. (2011). Modeling Method for Bridging Pragmatic and Semantic Dimensions of Service Architectures, International Conference on Information System Development, Prague, Springer.

R Gustas. (2010).  “Conceptual Modeling and Integration of Static and Dynamic Aspects of Service Architectures”, International Workshop on Ontology, Conceptualization and Epistemology for Information Systems, Software Engineering and Service Sciences, Hammamet, Tunisia, Springer, pp. 17-32.

 R Gustas. (2010). A Look behind Conceptual Modeling Constructs in Information System Analysis and Design, International Journal of Information System Modeling and Design, Vol. 1, Issue No 1, pp. 79-108.

 R Gustas. (2010). Integration of Interactive, Behavioral and Structural Aspects of Conceptual Models, IFIP WG8.1 Working Conference on the Practice of Enterprise Modelling, Delft, 2010, Springer.

R Gustas & P Gustiene. “A new Method for Conceptual Modelling of Information Systems”, International Conference on Information System Development, Springer, 2009, pp. 157-166.

R Gustas and P Gustiene. “Pragmatic – Driven Approach for Service-Oriented Analysis and Design”, Information Systems Engineering - from Data Analysis to Process Networks, IGI Global, USA, 2008, pp. 97-128.

R Gustas. A New Paradigm for System Analysis and Design. 14-th Conference on Information and Software Technologies, IT – 2008, April 24-25, Kaunas, 2008.

P Gustiene, & R Gustas. “Introducing Service-Orientation into System Analysis and Design”, International Conference on Enterprise Information Systems, Barcelona, 2008.


R Gustas. “Semantic Integration in Conceptual Modeling of Service Architectures”, Multi-, Inter- and Trans-disciplinary Issues in Computer Science and Engineering, IPSI Transactions on Internet Research, Vol. 3, No 2, New York, 2007.

R Gustas & P Gustiene. “Service-Oriented Foundation and Analysis Patterns for Conceptual Modelling of Information Systems”, International Conference on Information System Development, Galway, Springer, 2008.

R Gustas, “Inference Rules of Semantic Dependencies in the Enterprise Modelling, 4th International Workshop on Software Methodologies Tools and Techniques”, IOS Press, 2005, pp.235-251.

A.G. Nilsson, R. Gustas, W. Wojtkowski, W.G. Wojtkowski, S. Wrycza, & J. Zupancic, (Eds.) “Advances in Information Systems Development: Bridging the Gap between Academia and Practice”, Proceedings of the Fourteenth International Conference on Information Systems Development, ISD’2005, Springer, New York, 2006.

A.G. Nilsson, R. Gustas, W. Wojtkowski, W.G. Wojtkowski, S. Wrycza, & J. Zupancic, (Eds.) “ISD’2005 – Proceedings of the Fourteenth International Conference on Information Systems Development: Pre-Conference”, 14-17 August, 2005, Karlstad, Sweden, Karlstad University Studies, 2005.

 

R Gustas, L Jakobsson, Enterprise Modelling of Component Oriented Information System Architectures, Frontiers in Artificial Intelligence and applications, IOS Press, Amsterdam, 2004.

L Jakobsson, R Gustas,  Towards a Systematic Modeling of Component Based Architectures, International SSCCII-2004, Amalfi, Italy, 2004.

R Gustas and P Gustiene, “Towards the Enterprise engineering approach for Information system modelling across organisational and technical boundaries”. Enterprise Information Systems V, Kluwer Academic Publisher, Netherlands, 2004, pp.204-215.

R Gustas and P Gustiene,  “Towards the Enterprise engineering approach for Information system modelling across organisational and technical boundaries”, Proceedings of the fifth International Conference on Enterprise Information Systems, vol. 3, Angers, France, 2003, pp. 77-88

R Gustas and P Gustiene (2002), “Extending Lyee Methodology using the Enterprise Modelling Approach”, Frontiers in Artificial Intelligence and applications, IOS Press, Amsterdam, pp. 273-288.

P Gustiene & R Gustas (2002), On a Problem of Ambiguity and Semantic Role Relativity in Conceptual Modelling, Proceedings of International conference on Advances in Infrastructure for e-Business, e-Education, e-Science, and e-Medicine on the Internet, ISBN 88-85280-62-5, L'Aquila, Italy.

R Gustas (2001), Business Process Analysis using the Coherence Concept – an example from a forest industry case. On Methods of System Development in Professional Organisations, Studentliteratur, Lund,  pp. 284 – 306.

R Gustas. "Integrated Approach for Information System Analysis at the Enterprise Level", Enterprise Information Systems, Kluwer Academic Publishers, 2000, pp. 81-88.

R Gustas. Analys av affärsprocesser utifrån begreppet koherens – exempel från en fallstudie inom skogsindustrin. Om metoder för systemutveckling i professionella organisationer. Karlstadskolans syn på informatikens roll i samhället, (ed.) A G Nilsson, J S Pettersson, Studentlitteratur, Lund, 2000, pp. 278-300.

R Gustas. "Towards a Communication based approach for Enterprise Modelling Integration", 2nd International Conference on Information Reuse and Integration, November 1-3, 2000, Hawaii, USA.

R Gustas. Semantic and Pragmatic Dependencies of Information Systems. Summary of the Research presented for Habilitation, Technologija, Kaunas, 1999, 56 p.

R Gustas. Quality Analysis of Enterprise Modelling. IFIP International Enterprise Modelling Conference, Verdal, Norway, June 14 –16, 1999, pp. 7.17-7.25.

R Gustas. What's wrong with the information systems’ area? International Conference ‘Information Society’, Vilnius, October 25-26, 1999, pp. 181-186.

R Gustas. Integrated framework for Information System Analysis. The World Multiconference on Systemics, Cybernetics and Informatics and the 4th International Conference on Information Systems Analysis and Synthesis, Orlando, USA, July 12-16, 1998, pp. 19-27.

R Gustas. Communication Action as an Integrating Dynamic Relationship of Enterprise Modelling. The third International Workshop on the Language Action Perspective on Communication Modelling – LAP’98, Stockholm, June 25-26, 1998, pp. 115-130.

R Gustas. Enterprise Models to Analyse Completeness and Integrity of Semantic Representations. 5th international conference on concurrent engineering research and application, Tokyo, Japan, July 15-17, 1998, pp. 443-453.

R Gustas. Integrated Approach for Modelling of semantic and pragmatic dependencies of information systems. 17th International Conference on Conceptual Modeling (ER'98), Nov 16-19, Singapore, Springer-Verlag, 1998.

R Gustas. Semantic and Pragmatic Dependencies of Information Systems. Monograph, Technologija, 1997, 275p.

R Gustas. Towards Understanding and Formal Definition of Conceptual Constraints. Frontiers in artificial Intelligence and Applications: Information Modelling and Knowledge Bases VI, vol.26, IOS Press, pp. 381 -399, 1995.

R Gustas. Towards Foundations of Database Schema Independent Modelling of Concepts. Second International East-West Database Workshop, J Eder, L Kalinichenko (eds.), Springer-Verlag, pp. 275 - 288, 1994.

R Gustas, J Bubenko jr., B Wangler. Goal Driven Enterprise Modelling: The Basis for Description Semantic and Pragmatic Dependencies of Information Systems. Int. Conf. on Information System Concepts: Towards a consolidation of Views, Marburg, Germany, pp.A71-72, 1995.

R Gustas. Bridging Enterprise Modelling to EUROMETHOD. Informatica, vol.6, No 4, 1995, pp.457-482.

R Gustas. The Framework for Description of Goal Dependencies. Information Technology and Control, Vol.1, No.1, 1995, pp. 45-55.

R Gustas. A Framework for Description of Goal Dependencies and Inconsistency of Goals. Proceedings of the Second International Conference on theDesign of Cooperative Systems, Juan Les-Pins, France, pp.625-643, 1996.

R Gustas, J Bubenko jr., B Wangler. Goal Driven Enterprise Modelling: Bridging Pragmatic and Semantic Descriptions of Information Systems. Frontiers in artificial Intelligence and Applications: Information Modelling and Knowledge Bases VII, vol.34, IOS Press, pp. 73-91, 1996.