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Efficiently Answering Top-k Window Aggregate Queries: Calculating Coverage Number Sequences over Hierarchical Structures.

Jianqiu XuRaymond Chi-Wing Wong
Published in: ICDE (2023)
Keyphrases
  • aggregate queries
  • hierarchical structures
  • computational complexity
  • hierarchical structure
  • probabilistic xml
  • range aggregate queries
  • image retrieval
  • query processing
  • document collections