TaxoExpan

Overview of TaxoExpan TaxoExpan is a unique self-supervised taxonomy expansion framework that is designed to automatically generate pairs of query concepts and anchor concepts from the existing taxonomy as training data. This framework is incredibly useful as it can learn to predict whether a query concept is the direct hyponym of an anchor concept. TaxoExpan features two primary components: a position-enhanced graph neural network and a noise-robust training objective. The primary goal of Tax