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The Heterogeneous Tool Set
 of Lecture Notes in Computer Science
, 2007
"... Abstract. Heterogeneous specification becomes more and more important because complex systems are often specified using multiple viewpoints, involving multiple formalisms. Moreover, a formal software development process may lead to a change of formalism during the development. However, current resea ..."
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Abstract. Heterogeneous specification becomes more and more important because complex systems are often specified using multiple viewpoints, involving multiple formalisms. Moreover, a formal software development process may lead to a change of formalism during the development. However, current research in integrated formal methods only deals with adhoc integrations of different formalisms. The heterogeneous tool set (Hets) is a parsing, static analysis and proof management tool combining various such tools for individual specification languages, thus providing a tool for heterogeneous multilogic specification. Hets is based on a graph of logics and languages (formalized as socalled institutions), their tools, and their translations. This provides a clean semantics of heterogeneous specification, as well as a corresponding proof calculus. For proof management, the calculus of development graphs (known from other largescale proof management systems) has been adapted to heterogeneous specification. Development graphs provide an overview of the (heterogeneous) specification module hierarchy and the current proof state, and thus may be used for monitoring the overall correctness of a heterogeneous development. 1
A semantic wiki for mathematical knowledge management
 Proceedings of the 1st Workshop on Semantic Wikis, European Semantic Web Conference 2006, Budva, Montenegro, 2006. CEUR Workshop Proceedings. To appear, provisional online version at http://www.eswc2006.org/technologies/ usb/proceedingsworkshops/ eswc200
, 2007
"... SWIM is a semantic wiki for collaboratively building, editing and browsing mathematical knowledge represented in the structural markup language OMDOC. It has been designed to enable groups of scientists to develop new mathematical theories in OMDOC and to enable scholars to browse such a corpus. Aft ..."
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Cited by 37 (15 self)
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SWIM is a semantic wiki for collaboratively building, editing and browsing mathematical knowledge represented in the structural markup language OMDOC. It has been designed to enable groups of scientists to develop new mathematical theories in OMDOC and to enable scholars to browse such a corpus. After a short introduction to semantic wikis and their usefulness for mathematical knowledge, this article presents the architecture and the user interface of the current SWIM prototype and outlines the plans for developing its successor, an ontologybased platform for semantic scientific services that exploit the knowledge and make it accessible to the user. 1
Specification of an ontology for route graphs
 IN SPATIAL COGNITION IV, LECTURE NOTES IN ARTIFICIAL INTELLIGENCE
, 2005
"... This paper describes the general concept of Route Graphs, to be used for navigation by various agents in a variety of scenarios. We introduce the concept of an ontology and describe the modelling of general graphs as an example. This approach is then applied to define a “lightweight ” ontology of R ..."
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Cited by 25 (3 self)
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This paper describes the general concept of Route Graphs, to be used for navigation by various agents in a variety of scenarios. We introduce the concept of an ontology and describe the modelling of general graphs as an example. This approach is then applied to define a “lightweight ” ontology of Route Graphs in an indoors environment, giving at first just a taxonomy of (sub)classes and relations between them, as well as to other (spatial) ontologies. Finally, we show how to formalise ontologies using a First Order Logic approach, and give an outline of how to develop actual data structures and algorithms for Route Graphs.
Towards collaborative content management and version control for structured mathematical knowledge
 Mathematical Knowledge Management, MKM’03, number 2594 in LNCS
, 2003
"... Abstract. We propose an infrastructure for collaborative content management and version control for structured mathematical knowledge. This will enable multiple users to work jointly on mathematical theories with minimal interference. We describe the API and the functionality needed to realize a cvs ..."
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Abstract. We propose an infrastructure for collaborative content management and version control for structured mathematical knowledge. This will enable multiple users to work jointly on mathematical theories with minimal interference. We describe the API and the functionality needed to realize a cvslike version control and distribution model. This architecture extends the cvs architecture in two ways, motivated by the specific needs of distributed management of structured mathematical knowledge on the Internet. On the one hand the onelevel client/server model of cvs is generalized to a multilevel graph of client/server relations, and on the other hand the underlying changedetection tools take the mathspecific structure of the data into account. 1
Software Certification and Software Certification Management Systems. SoftCement05
 In Proceedings of the 2005 ASE Workshop on Software Certificate Management
, 2005
"... Software certification demonstrates the reliability and safety of software systems in such a way that it can be checked by an independent authority with minimal trust in the techniques and tools used in the certification process itself. It builds on existing software assurance, validation, and verif ..."
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Cited by 7 (3 self)
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Software certification demonstrates the reliability and safety of software systems in such a way that it can be checked by an independent authority with minimal trust in the techniques and tools used in the certification process itself. It builds on existing software assurance, validation, and verification techniques but introduces the notion of
M.: Multimedia instruction in safe and secure systems
 In: Recent Trends in Algebraic Development Techniques. Volume 2755 of Lecture Notes in Computer Science
, 2003
"... Abstract. The aim of the MMiSS project is the construction of a multimedia Internetbased adaptive educational system. Its content will initially cover a curriculum in the area of Safe and Secure Systems. Traditional teaching materials (slides, handouts, annotated course material, assignments, and s ..."
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Cited by 6 (4 self)
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Abstract. The aim of the MMiSS project is the construction of a multimedia Internetbased adaptive educational system. Its content will initially cover a curriculum in the area of Safe and Secure Systems. Traditional teaching materials (slides, handouts, annotated course material, assignments, and so on) are to be converted into a new hypermedia format, integrated with tool interactions for formally developing correct software; they will be suitable for learning on campus and distance learning, as well as interactive, supervised, or cooperative selfstudy. To ensure “sustainable development”, i.e. continuous longterm usability of the contents, coherence and consistency are especially emphasised, through extensive semantic linking of teaching elements and a particular version and configuration management, based on experience in formal software development and associated support tools. 1
Engineering Mathematical Knowledge
 Mathematical Knowledge Management, number 3863 in LNAI
, 2005
"... Abstract. Due to their rapidly increasing amount, maintaining mathematical documents more and more becomes an engineering task. In this paper, we combine the projects MMiSS 3 and CDET. 4 That way, we achieve major benefits for mathematical knowledge management: (1) Semantic annotations relate mathem ..."
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Abstract. Due to their rapidly increasing amount, maintaining mathematical documents more and more becomes an engineering task. In this paper, we combine the projects MMiSS 3 and CDET. 4 That way, we achieve major benefits for mathematical knowledge management: (1) Semantic annotations relate mathematical constructs. This reaches beyond mathematics and thus fosters integration of mathematical content into a broader context. (2) Finegrained version control enables change management and configuration management. (3) Semiformal consistency management identifies violations of userdefined consistency requirements and proposes how they can be best resolved. 1
Towards a Mizar Mathematical Library in OMDoc
"... Abstract. Mizar is one of largest libraries of formalized mathematics. The language of the library is highly optimized for authoring by humans. Like in natural languages, the meaning of an expression is influenced by its (mathematical) context in a way that is natural to humans, but hard to specify ..."
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Abstract. Mizar is one of largest libraries of formalized mathematics. The language of the library is highly optimized for authoring by humans. Like in natural languages, the meaning of an expression is influenced by its (mathematical) context in a way that is natural to humans, but hard to specify for machine manipulation. From this point of view, it may be considered as locked up in an arcane file format. Indeed, the Mizar system itself is currently the only system that can reliably operate on the Mizar library. This paper presents an experiment of using the Mizar system to transform the Mizar library into the OMDoc format (Open Mathematical Documents), an XMLbased representation format for mathematical knowledge that is geared towards making formula structure and context dependencies explicit. We expect the result of this experiment: an OMDoc version of the Mizar library to enhance system support for formal mathematical libraries. 1
HETS User Guide – Version 0.85 –
, 2009
"... (the latter needs subscription to the mailing list) ..."
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(the latter needs subscription to the mailing list)