JoinGR: Learning to Traverse Join Graphs for Table Retrieval
Retrieving the right tables is a prerequisite for Text-to-SQL over realistic databases. Dense table retrievers rank schema elements independently, but this ignores a key source of evidence: some required tables are not mentioned in the question and become identifiable only through their join relationships to already re...
S. De, Abhijit Chakraborty, Sambaran Bandyopadhyay et al.
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