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Lower Bounds on the Communication of XPath Queries in MapReduce.
Foto N. Afrati
Matthew Damigos
Manolis Gergatsoulis
Published in:
EDBT/ICDT Workshops (2015)
Keyphrases
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xpath queries
lower bound
xml documents
xml data
upper bound
xml databases
external memory
objective function
query evaluation
np hard
query optimization
xml streams
parallel processing
optimal solution
special case
databases
database