QDR-Tree: An Efcient Index Scheme for Complex Spatial Keyword Query.

Xinshi Zang Peiwen Hao Xiaofeng Gao Bin Yao Guihai Chen

Published in: CoRR (2018)

Keyphrases

index scheme
keyword queries
b tree
keywords
keyword search
index structure
r tree
reachability queries
spatial data
graph structure
web search engines
structured data
tree structure
semi structured
structured databases