Learning Open Information Extraction of Implicit Relations from Reading Comprehension Datasets

Understand

The relationship between two entities in a sentence is often implied by word order and common sense, rather than an explicit predicate.

• For example, it is evident that "Fed chair Powell indicates rate hike" implies (Powell, is a, Fed chair) and (Powell, works for, Fed).
• These tuples are just as significant as the explicit-predicate tuple (Powell, indicates, rate hike), but have much lower recall under traditional Open Information Extraction (OpenIE) systems.
• Implicit tuples are our term for this type of extraction where the relation is not present in the input sentence.