Rolling Boles, Optimal XML Structure Integrity for Updating Operations

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2011
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Proceedings of the WWW 2011, March 28 – April 1, 2011, Hyderabad, India. 2011. ISBN 978-1-4503-0637-9
Zusammenfassung

While multiple techniques exist to utilize the tree structure of the Extensible Markup Language(XML) regarding integrity checks, they all rely on adaptions of the Merkle Tree: All children are acting as one slice regarding the checksum of one node with the help of an one-way hash concat nation. This results in postorder traversals regarding the (re-)computation of the integrity structure within modification operations. With our approach we perform nearly in-time updates of the entire integrity structure. We therefore equipped an XHash-based approach with an incremental hash function. This replaces postorder traversals by adapting only the incremental modifications to the checksums of a node and its ancestors. With experimental results we prove that our approach only generates a constant overhead depending on the depth of the tree while native DOMHash implementations produce an overhead based on the depth and the number of all nodes in the tree. Consequently, our approach called Rolling Boles generates sustainable impact since it facilitates instant integrity updates in constant time.

Zusammenfassung in einer weiteren Sprache
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004 Informatik
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DOMHash, XML data integrity, XHash
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WWW, 28. März 2011 - 1. Apr. 2011, Hyderabad, India
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Zitieren
ISO 690GRAF, Sebastian, Sebastian Kay BELLE, Marcel WALDVOGEL, 2011. Rolling Boles, Optimal XML Structure Integrity for Updating Operations. WWW. Hyderabad, India, 28. März 2011 - 1. Apr. 2011. In: Proceedings of the WWW 2011, March 28 – April 1, 2011, Hyderabad, India. 2011. ISBN 978-1-4503-0637-9
BibTex
@inproceedings{Graf2011Rolli-12622,
  year={2011},
  title={Rolling Boles, Optimal XML Structure Integrity for Updating Operations},
  isbn={978-1-4503-0637-9},
  booktitle={Proceedings of the WWW 2011, March 28 – April 1, 2011, Hyderabad, India},
  author={Graf, Sebastian and Belle, Sebastian Kay and Waldvogel, Marcel}
}
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