DistEdit: a distributed toolkit for supporting multiple group editors
CSCW '90 Proceedings of the 1990 ACM conference on Computer-supported cooperative work
SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
Automated resolution of semantic heterogeneity in multidatabases
ACM Transactions on Database Systems (TODS)
Using semantic values to facilitate interoperability among heterogeneous information systems
ACM Transactions on Database Systems (TODS)
Database systems: a practical approach to design, implementation and management
Database systems: a practical approach to design, implementation and management
Consistency maintenance in real-time collaborative graphics editing systems
ACM Transactions on Computer-Human Interaction (TOCHI)
The Theory and Practice of Discourse Parsing and Summarization
The Theory and Practice of Discourse Parsing and Summarization
Building Secure and Reliable Network Applications
Building Secure and Reliable Network Applications
On balancing between transcoding overhead and spatial consumption in content adaptation
Proceedings of the 8th annual international conference on Mobile computing and networking
XMIDDLE: A Data-Sharing Middleware for Mobile Computing
Wireless Personal Communications: An International Journal
A Graphical Representation of the State Spaces of Hierarchical Level-of-Detail Scene Descriptions
IEEE Transactions on Visualization and Computer Graphics
Managing Semantic Heterogeneity with Production Rules and Persistent Queues
VLDB '93 Proceedings of the 19th International Conference on Very Large Data Bases
Transcoding: extending e-business to new environments
IBM Systems Journal
ACM SIGGROUP Bulletin
Software Framework for Managing Heterogeneity in Mobile Collaborative Systems
Computer Supported Cooperative Work
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Heterogeneity aspects in mobile collaborative systems, such as differences in user's interest, semantic conflicts across different domains and representations, and disparate device capabilities, cause difficulties in developing software applications. One of the key problems for collaborative applications is maintaining a consistent shared state.In this paper, we describe a framework that manages several aspects of heterogeneity to maintain consistency across the collaborating sites. We assume graph data structure for application state representation. Our framework is based on structural and semantic mappings between graph structures. The mapping can be customized to meet different requirements through user-defined policies and rules. An important constraint is efficient use of scarce system resources.We describe several applications built using the framework to collaboratively share XML documents. The XML documents in our case are 2D/3D representations of virtual worlds. We also show the performance results of our framework which demonstrate its feasibility for mobile scenarios.