On Coordinating Collaborative Objects

A collaborative object represents a data type (such as a text document) designed to be shared by a group of dispersed users. The Operational Transformation (OT) is a coordination approach used for supporting optimistic replication for these objects. It allows the users to concurrently update the sha...

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Main Author: Abdessamad Imine
Format: Article
Language:English
Published: Open Publishing Association 2010-07-01
Series:Electronic Proceedings in Theoretical Computer Science
Online Access:http://arxiv.org/pdf/1007.5093v1
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author Abdessamad Imine
author_facet Abdessamad Imine
author_sort Abdessamad Imine
collection DOAJ
description A collaborative object represents a data type (such as a text document) designed to be shared by a group of dispersed users. The Operational Transformation (OT) is a coordination approach used for supporting optimistic replication for these objects. It allows the users to concurrently update the shared data and exchange their updates in any order since the convergence of all replicas, i.e. the fact that all users view the same data, is ensured in all cases. However, designing algorithms for achieving convergence with the OT approach is a critical and challenging issue. In this paper, we propose a formal compositional method for specifying complex collaborative objects. The most important feature of our method is that designing an OT algorithm for the composed collaborative object can be done by reusing the OT algorithms of component collaborative objects. By using our method, we can start from correct small collaborative objects which are relatively easy to handle and incrementally combine them to build more complex collaborative objects.
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spelling doaj.art-278bc2f581cd4ea3b3e9eee1eeeb6dff2022-12-22T03:28:30ZengOpen Publishing AssociationElectronic Proceedings in Theoretical Computer Science2075-21802010-07-0130Proc. FOCLASA 2010789210.4204/EPTCS.30.6On Coordinating Collaborative ObjectsAbdessamad ImineA collaborative object represents a data type (such as a text document) designed to be shared by a group of dispersed users. The Operational Transformation (OT) is a coordination approach used for supporting optimistic replication for these objects. It allows the users to concurrently update the shared data and exchange their updates in any order since the convergence of all replicas, i.e. the fact that all users view the same data, is ensured in all cases. However, designing algorithms for achieving convergence with the OT approach is a critical and challenging issue. In this paper, we propose a formal compositional method for specifying complex collaborative objects. The most important feature of our method is that designing an OT algorithm for the composed collaborative object can be done by reusing the OT algorithms of component collaborative objects. By using our method, we can start from correct small collaborative objects which are relatively easy to handle and incrementally combine them to build more complex collaborative objects.http://arxiv.org/pdf/1007.5093v1
spellingShingle Abdessamad Imine
On Coordinating Collaborative Objects
Electronic Proceedings in Theoretical Computer Science
title On Coordinating Collaborative Objects
title_full On Coordinating Collaborative Objects
title_fullStr On Coordinating Collaborative Objects
title_full_unstemmed On Coordinating Collaborative Objects
title_short On Coordinating Collaborative Objects
title_sort on coordinating collaborative objects
url http://arxiv.org/pdf/1007.5093v1
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