RCS—a system for version control
Software—Practice & Experience
Contexts—a partitioning concept for hypertext
ACM Transactions on Information Systems (TOIS)
Software engineering concepts
KMS: a distributed hypermedia system for managing knowledge in organizations
Communications of the ACM
Reflections on NoteCards: seven issues for the next generation of hypermedia systems
Communications of the ACM
Abstraction mechanisms in hypertext
Communications of the ACM
Petri-net-based hypertext: document structure with browsing semantics
ACM Transactions on Information Systems (TOIS)
Context and orientation in hypermedia networks
ACM Transactions on Information Systems (TOIS)
Toward a unified framework for version modeling in engineering databases
ACM Computing Surveys (CSUR)
Hierarchy, composition, scripting languages, and translators for structured hypertext
Hypertext: concepts, systems and applications
Structural analysis of hypertexts: identifying hierarchies and useful metrics
ACM Transactions on Information Systems (TOIS)
HDM—a model-based approach to hypertext application design
ACM Transactions on Information Systems (TOIS)
Hypertext and information retrieval
Information Processing and Management: an International Journal - Special issue on hypertext and information retrieval
Structural and cognitive problems in providing version control for hypertext
ECHT '92 Proceedings of the ACM conference on Hypertext
CoVer: a contextual version server for hypertext applications
ECHT '92 Proceedings of the ACM conference on Hypertext
The architecture and implementation of a distributed hypermedia storage system
HYPERTEXT '93 Proceedings of the fifth ACM conference on Hypertext
Concurrency control in collaborative hypertext systems
HYPERTEXT '93 Proceedings of the fifth ACM conference on Hypertext
Take CoVer: exploiting version support in cooperative systems
CHI '93 Proceedings of the INTERACT '93 and CHI '93 Conference on Human Factors in Computing Systems
Petri Net Theory and the Modeling of Systems
Petri Net Theory and the Modeling of Systems
Proceedings of the 14th International Conference on Application and Theory of Petri Nets
Versioning Issues in a Collaborative Distributed Hypertext System
Versioning Issues in a Collaborative Distributed Hypertext System
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In this paper it is shown how structural and cognitive versioning issues can be efficiently managed in a Petri nets based hypertextual model. The advantages of this formalism are enhanced by modular and structured modeling; modularity allows to focus the attention only on some modules, while giving the abstraction of the others. Each module owns metaknowledge that is useful in defining new layers and contexts.The central point of the data model is the formulation and resolution of three recurrence equations, effective in describing both the versioning and the derivation history; these equations permit to express in precise terms both the structural evolution (changes operated on specific nodes of the net) and the behavioral one (changes concerning browsing).