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| Multi-GranularityUser Friendly List Locking Protocol
for XML Repetitive Data
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Full
text: |
 PDF(233.8KB) |
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Source |
International Journal of Data Engineering (IJDE) |
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Table of Contents |
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Download
Complete Issue PDF(960.43KB) |
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Volume: 2 Issue: 3 |
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Pages: NULL |
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Publication
Date: July / August 2011 |
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ISSN
(Online): 2180-1274 |
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Pages |
126 - 135 |
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Author(s) |
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Published
Date |
15-12-2011 |
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Publisher |
CSC
Journals, Kuala Lumpur,
Malaysia |
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ADDITIONAL
INFORMATION |
| Keywords Abstract References Cited by Related Articles Collaborative
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KEYWORDS: Locking, Shared XML, Repetition, Edit actions |
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| We propose a list data sharing model, which utilizes semantics expressed in DTD for concurrency control of shared XML trees. In this model, tree updating actions such as inserting and/or deleting subtrees are allowed only for repetitive parts. The proposed model guarantees that the resulting XML tree is valid even when tree update actions are applied concurrently. In addition, we propose a new multi-granularity locking mechanism called list locking protocol. This protocol locks on the (index) list of repetitive children nodes and thus allows updates to the descendents when the node childĄŻs subtree is being deleted or inserted. This protocol is expected to be more accessible and to produce fewer locking objects on XML data compared to other methods. Moreover, the prototype system shows that list locking is well suited to user interface of shared XML clients by enabling/disabling corresponding edit operation controls. |
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| Eunjung Lee : Colleagues
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