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SF-Tree: An Efficient and Flexible Structure for Estimating Selectivity of Simple Path Expressions with Statistical Accuracy Guarantee.
Wai-Shing Ho
Ben Kao
David Wai-Lok Cheung
Chi Lap Yip
Eric Lo
Published in:
DASFAA (2004)
Keyphrases
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path expressions
tree structure
graph structure
xml documents
xml data
cost model
tree structures
information retrieval
query language
complex objects
efficient processing