Why most work on Knowledge Graph Reasoning mainly focus on link prediction task as (s, r, ?) ?

xwhan / DeepPath

code and docs for my EMNLP paper "DeepPath: A Reinforcement Learning Method for Knowledge Graph Reasoning"

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Why most work on Knowledge Graph Reasoning mainly focus on link prediction task as (s, r, ?) ? #6

Closed XiepengLi closed 6 years ago

XiepengLi commented 6 years ago

Hi Wenhan, I have read most work on KGR( DeepPath, MINERVA, ReinforceWalk, DIVA) recently, but I can't find out that why task settings such as (s, ?, t) or (s, r, t)? are easier than (s, r, ?), look forward to your point of view?