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VLDB
1999
ACM
89views Database» more  VLDB 1999»
15 years 11 months ago
Physical Data Independence, Constraints, and Optimization with Universal Plans
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
Alin Deutsch, Lucian Popa, Val Tannen
INFORMATICASI
2010
15 years 3 months ago
Strategic Modeling of Information Sharing among Data Privacy Attackers
Research in privacy-preserving data publishing has revealed the necessity of accounting for an adversary's background knowledge when reasoning about the protection afforded b...
Quang Duong, Kristen LeFevre, Michael P. Wellman
ICDE
2006
IEEE
147views Database» more  ICDE 2006»
16 years 19 days ago
Efficient Processing of Updates in Dynamic XML Data
It is important to process the updates when nodes are inserted into or deleted from the XML tree. All the existing labeling schemes have high update cost, thus in this paper we pr...
Changqing Li, Tok Wang Ling, Min Hu
ICDE
2005
IEEE
122views Database» more  ICDE 2005»
16 years 6 days ago
Signature-based Filtering Techniques for Structural Joins of XML Data
Queries on XML documents typically combine selections on element contents, and, via path expressions, the structural relationships between tagged elements. Efficient support for ...
Huan Huo, Guoren Wang, Chuan Yang, Rui Zhou
ADC
2008
Springer
114views Database» more  ADC 2008»
15 years 8 months ago
An Integrated Access Control for Securely Querying and Updating XML Data
Many existing access controls use node filtering or querying rewriting techniques. These techniques require rather time-consuming processes such as parsing, labeling, pruning and/...
Maggie Duong, Yanchun Zhang