Why is an answer correct? Maintain the source in the dynamic knowledge map? Huka?

(source)? HUKAprovenance polynomial?

HUKApotential match？ 1: 1? 1:m？ Regular query multiple mapping query

Registration station queriesHUKA? And-Orhuka

Multiple maps? edgeToResult？ edgeToCP？

HUKA[CIKM20]