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Answering Why-Not Group Spatial Keyword Queries.
Bolong Zheng
Kai Zheng
Christian S. Jensen
Nguyen Quoc Viet Hung
Han Su
Guohui Li
Xiaofang Zhou
Published in:
IEEE Trans. Knowl. Data Eng. (2020)
Keyphrases
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keyword queries
keyword search
keywords
information access
structured data
query evaluation
keyword search in relational databases
user queries
semi structured
information retrieval
search engine
database schema
xml databases