Concurrency control in groupware systems
SIGMOD '89 Proceedings of the 1989 ACM SIGMOD international conference on Management of data
Integrating non-intering versions of programs
POPL '88 Proceedings of the 15th ACM SIGPLAN-SIGACT symposium on Principles of programming languages
Flexible Diff-ing in a collaborative writing system
CSCW '92 Proceedings of the 1992 ACM conference on Computer-supported cooperative work
SDE 5 Proceedings of the fifth ACM SIGSOFT symposium on Software development environments
A framework for shared applications with a replicated architecture
UIST '93 Proceedings of the 6th annual ACM symposium on User interface software and technology
A flexible object merging framework
CSCW '94 Proceedings of the 1994 ACM conference on Computer supported cooperative work
A framework for undoing actions in collaborative systems
ACM Transactions on Computer-Human Interaction (TOCHI)
High-latency, low-bandwidth windowing in the Jupiter collaboration system
Proceedings of the 8th annual ACM symposium on User interface and software technology
An integrating, transformation-oriented approach to concurrency control and undo in group editors
CSCW '96 Proceedings of the 1996 ACM conference on Computer supported cooperative work
Serialization of concurrent operations in a distributed collaborative environment
GROUP '97 Proceedings of the international ACM SIGGROUP conference on Supporting group work: the integration challenge
ACM Transactions on Computer-Human Interaction (TOCHI)
Operational transformation in real-time group editors: issues, algorithms, and achievements
CSCW '98 Proceedings of the 1998 ACM conference on Computer supported cooperative work
Copies convergence in a distributed real-time collaborative environment
CSCW '00 Proceedings of the 2000 ACM conference on Computer supported cooperative work
Time, clocks, and the ordering of events in a distributed system
Communications of the ACM
The IceCube approach to the reconciliation of divergent replicas
Proceedings of the twentieth annual ACM symposium on Principles of distributed computing
Undo as concurrent inverse in group editors
ACM Transactions on Computer-Human Interaction (TOCHI)
Generalizing operational transformation to the standard general markup language
CSCW '02 Proceedings of the 2002 ACM conference on Computer supported cooperative work
Concurrent Operations in a Distributed and Mobile Collaborative Environment
ICDE '98 Proceedings of the Fourteenth International Conference on Data Engineering
Flexible Merging for Asynchronous Collaborative Systems
On the Move to Meaningful Internet Systems, 2002 - DOA/CoopIS/ODBASE 2002 Confederated International Conferences DOA, CoopIS and ODBASE 2002
ClearCase MultiSite: Supporting Geographically-Distributed Software Development
Selected papers from the ICSE SCM-4 and SCM-5 Workshops, on Software Configuration Management
Tree-Based Concurrency Control inDistributed Groupware
Computer Supported Cooperative Work
Using the transformational approach to build a safe and generic data synchronizer
GROUP '03 Proceedings of the 2003 international ACM SIGGROUP conference on Supporting group work
Version Control With Subversion
Version Control With Subversion
Operational transformation for collaborative word processing
CSCW '04 Proceedings of the 2004 ACM conference on Computer supported cooperative work
Preserving operation effects relation in group editors
CSCW '04 Proceedings of the 2004 ACM conference on Computer supported cooperative work
A Performance Study of Group Editing Algorithms
ICPADS '06 Proceedings of the 12th International Conference on Parallel and Distributed Systems - Volume 1
Operation context and context-based operational transformation
CSCW '06 Proceedings of the 2006 20th anniversary conference on Computer supported cooperative work
Transparent adaptation of single-user applications for multi-user real-time collaboration
ACM Transactions on Computer-Human Interaction (TOCHI)
Proving correctness of transformation functions in real-time groupware
ECSCW'03 Proceedings of the eighth conference on European Conference on Computer Supported Cooperative Work
Customizable collaborative editor relying on treeOPT algorithm
ECSCW'03 Proceedings of the eighth conference on European Conference on Computer Supported Cooperative Work
An Operational Transformation Algorithm and Performance Evaluation
Computer Supported Cooperative Work
Flexible collaboration over XML documents
CDVE'06 Proceedings of the Third international conference on Cooperative Design, Visualization, and Engineering
Domain-Specific Groupware Environment for E-research on Chemistry
CCGRID '09 Proceedings of the 2009 9th IEEE/ACM International Symposium on Cluster Computing and the Grid
Protecting the consistency of workflow applications in collaborative development environments
Future Generation Computer Systems
Tracking changes in collaborative writing: edits, visibility and group maintenance
Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work
Write here, write now!: an experimental study of group maintenance in collaborative writing
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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Collaborative editing enables a group of people to edit documents collaboratively over a computer network. Customisation of the collaborative environment to different subcommunities of users at different points in time is an important issue. The model of the document is an important factor in achieving customisation. We have chosen a tree representation encompassing a large class of documents, such as text, XML and graphical documents and here we propose a multi-level editing approach for maintaining consistency over hierarchical-based documents. The multi-level editing approach involves logging edit operations that refer to each node. Keeping operations associated with the tree nodes to which they refer offers support for tracking user activity performed on various units of the document. This facilitates the computation of awareness information and the handling of conflicting changes referring to units of the document. Moreover, increased efficiency is obtained compared to existing approaches that use a linear structure for representing documents. The multi-level editing approach involves the recursive application of any linear merging algorithm over the document structure and we show how the approach was applied for real-time and asynchronous modes of collaboration.