Optional and responsive locking in distributed collaborative object graphics editing systems

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Author(s)
Chen, D
Sun, CZ
Griffith University Author(s)
Year published
2000
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Object-based collaborative graphics editing systems allow multiple users to edit the same graphics document at the same time from multiple sites. This paper examines the use of locking to prevent the generation of conflicting operations in this type of systems. Two types of locks are examined: object and region. A locking scheme which preserves the intentions of all operations is proposed. Furthermore, the problems of lock ownership caused by concurrent operations are resolved.Object-based collaborative graphics editing systems allow multiple users to edit the same graphics document at the same time from multiple sites. This paper examines the use of locking to prevent the generation of conflicting operations in this type of systems. Two types of locks are examined: object and region. A locking scheme which preserves the intentions of all operations is proposed. Furthermore, the problems of lock ownership caused by concurrent operations are resolved.
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Conference Title
PROCEEDINGS OF THE FIRST INTERNATIONAL CONFERENCE ON WEB INFORMATION SYSTEMS ENGINEERING, VOL I
Copyright Statement
© 2000 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Subject
History, heritage and archaeology