RCOS (computer sciences): Difference between revisions

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'''rCOS''' stands for refinement of [[Object (philosophy)|object]] and [[Software component|component]] systems. It is a [[formal method]] providing [[component-based]] [[model-driven software]] development.

==Overview==

'''Did you mean RCOS Development, a Internet Non-For-Profit Multimedia Company? Their Web site can be found [http://rcosdevelopment.tk/ here].'''

'''rCOS''' stands for refinement of [[Object (philosophy)|object]] and [[Software component|component]] systems. It is a formal method [[component-based]] [[model-driven software]] development. It was originally developed by [[He Jifeng]], [[Zhiming Liu Zhiming (computer scientist)|Zhiming Liu]] and [[Xiaoshan Li]] at [[UNU-IIST]] in [[Macau]], and consists of a unified multi-view modeling notation with a theory of relational semantic and graph-based [[operational semantics]], a [[refinement calculus]] and tool support for model construction, model analysis and verification]], and [[model transformation]]s. Model transformations automate refinement rules and design patterns and generate conditions as proof obligations. rCOS support multiple dimensional modeling: models at different levels of abstraction related by refinement relations, hierarchy of compositions of components, and models of different views of the system ([[interaction protocol]]s of components, reactive behaviors of components, data functionality, and class structures and data types). ForComponents details,are pleasecomposed visitand integrated based on their models of interfaces to support third party composition.<ref>{{cite web |url=//rcos.iist.unu.edu/ |title=rCOS |work=[[UNU-IIST]] |date=2013 |accessdate=22 April 2014 |url-status=dead |archiveurl=https://web.archive.org/web/20131113133741/http://rcos.iist.unu.edu/ for|archivedate=November more13, details.2013 }}</ref>

==Bibliography==

*Ruzhen Dong, Johannes Faber, Wei Ke, Zhiming Liu: "rCOS: Defining Meanings of Component-Based Software Architectures". Unifying Theories of Programming and Formal Engineering Methods – ICTAC Training School on Software Engineering 2013, LNCS 8050: 1-66, Springer (2013)

*Wei Ke, Xiaoshan Li, Zhiming Liu, Volker Stolz: "rCOS: a formal model-driven engineering method for component-based software". ''Frontiers of Computer Science in China'' 6(1): 17-39 (2012)

* Zhiming Liu, Charles Morisset and Volker Stolz. "rCOS: Theory and Tool for Component-Based Model Driven Development, Keynote at FSEN09", [https://web.archive.org/web/20090509101723/http://www.iist.unu.edu/index.php/research/technical-reports ''Technical Report 406''], UNU-IIST, P.O. Box 3058, Macau, February 2009.

* Zhenbang Chen, Zhiming Liu, "[[Ander P. Ravn]] and Volker Stolz (2009). "Refinement and Verification in Component-Based Model Driven Design". UNU-IIST Research Report 381. ''[[Science of Computer Programming]]'', 74(4):168-196, 2009.

* Liang Zhao, Xiaojian Liu, Zhiming Liu and Zongyan Qiu (2009). "Graph transformations for object-oriented refinement", ''[[Formal Aspects of Computing]]'', 21(1-2):103-131, 2009.

*He Jifeng, Xiaoshan Li, and Zhiming Liu. "Component-based software engineering". In Pro. ICTAC’2005, ''[[Lecture Notes in Computer Science]]'' volume 3722. Springer, 2005.

*He Jifeng, Xiaoshan Li, and Zhiming Liu. "rCOS: A refinement calculus for object systems". ''[[Theoretical Computer Science (journal)|Theoretical Computer Science]]'', 365(1&ndash;21–2):109&ndash;142109–142, 2006.

*He Jifeng, Zhiming Liu, and Xiaoshan Li. "A theory of reactive components" ''[[Electronic Notes in Theoretical Computer Science]]'', 160:173&ndash;195173–195, 2006.

*Xin Chen, He Jifeng, Zhiming Liu and Naijun Zhan. "A model of component-based programming". Proc. FSEN 2007, Computer Science, ''[[Lecture Notes in Computer Science]]'' 4767, pp.&nbsp;191–208.

*Xin Chen, Zhiming Liu, and Vladimir Mencl. "Separation of concerns and consistent integration in requirements modelling". In ''Proc. Current Trends in Theory and Practice of Computer Science'', ''[[Lecture Notes in Computer Science]]''. Springer, 2007.

==See also==

* [[Unifying Theories of Programming]] (UTP)

'''rCOS''' stands for refinement of [[Object (philosophy)|object]] and [[Software component|component]] systems. It is a formal method [[component-based]] [[model-driven software]] development. It was originally developed by [[He Jifeng]], [[Liu Zhiming (computer scientist)|Zhiming Liu]] and [[Xiaoshan Li]] at [[UNU-IIST]], and consists of a unified multi-view modeling notation with a theory of relational semantic and graph-based operational semantics, a refinement calculus and tool support for model construction, model analysis and verification]], and [[model transformation]]s. Model transformations automate refinement rules and design patterns and generate conditions as proof obligations. rCOS support multiple dimensional modeling: models at different levels of abstraction related by refinement relations, hierarchy of compositions of components, and models of different views of the system ([[interaction protocol]]s of components, reactive behaviors of components, data functionality, and class structures and data types). For details, please visit http://rcos.iist.unu.edu/ for more details.

==References==

{{reflist}}

*Wei Ke, Xiaoshan Li, Zhiming Liu, Volker Stolz: "rCOS: a formal model-driven engineering method for component-based software". ''Frontiers of Computer Science in China'' 6(1): 17-39 (2012)

* Zhiming Liu, Charles Morisset and Volker Stolz. "rCOS: Theory and Tool for Component-Based Model Driven Development, Keynote at FSEN09", [http://www.iist.unu.edu/index.php/research/technical-reports ''Technical Report 406''], UNU-IIST, P.O. Box 3058, Macau, February 2009.

* Zhenbang Chen, Zhiming Liu, "Ander P. Ravn and Volker Stolz (2009). "Refinement and Verification in Component-Based Model Driven Design". UNU-IIST Research Report 381. ''[[Science of Computer Programming]]'', 74(4):168-196, 2009.

* Liang Zhao, Xiaojian Liu, Zhiming Liu and Zongyan Qiu (2009). "Graph transformations for object-oriented refinement", ''[[Formal Aspects of Computing]]'', 21(1-2):103-131, 2009.

*He Jifeng, Xiaoshan Li, and Zhiming Liu. "Component-based software engineering". In Pro. ICTAC’2005, ''[[Lecture Notes in Computer Science]]'' volume 3722. Springer, 2005.

*He Jifeng, Xiaoshan Li, and Zhiming Liu. "rCOS: A refinement calculus for object systems". ''[[Theoretical Computer Science (journal)|Theoretical Computer Science]]'', 365(1&ndash;2):109&ndash;142, 2006.

*He Jifeng, Zhiming Liu, and Xiaoshan Li. "A theory of reactive components" ''[[Electronic Notes in Theoretical Computer Science]]'', 160:173&ndash;195, 2006.

*Xin Chen, He Jifeng, Zhiming Liu and Naijun Zhan. "A model of component-based programming". Proc. FSEN 2007, Computer Science, ''[[Lecture Notes in Computer Science]]'' 4767, pp.&nbsp;191–208.

*Xin Chen, Zhiming Liu, and Vladimir Mencl. "Separation of concerns and consistent integration in requirements modelling". In ''Proc. Current Trends in Theory and Practice of Computer Science'', ''[[Lecture Notes in Computer Science]]''. Springer, 2007.

*Zhenbang Chen, Zhiming Liu, Anders P. Ravn, Volker Stolz and Naijun Zhan. "Refinement and Verification in Component-Based Model Driven Design", Submitted to ''Science of Computer Programming'', Elsevier. (UNU-IIST TR 388), 2007.

==External links==

{{computer-stub}}

* [http://rcos.iist.unu.edu/ rCOS website] {{Webarchive|url=https://web.archive.org/web/20071211042256/http://rcos.iist.unu.edu/ |date=2007-12-11 }}

[[Category:Year of introduction missing]]

[[Category:Object-oriented programming]]

[[Category:Component-based software engineering]]

[[Category:Formal methods]]

[[Category:United Nations University]]