# Semantic Relations Hyponomy: IS-A - Forms a hierarchical relationship i.e. taxonomy - Example: dog is a _hyponym_ of animal, animal is a _hypernym_ of dog - Works best for concrete nouns - Multiple inheritance: e.g., is coin a hyponym of both metal and money? Meronomy: PART-OF - Example: arm is a _meronym_ of body Synonym - Example: aubergine/eggplant Antonym - Example: big/little Near-synonymy/similaity - Example: slim/slender/thin ### WordNet - A database of lexical relations - large scale open source resource for English - hand constructed - organized into synsets: synonym sets (near-synonyms) - synsets connected by semantic relations --- ## References 1. Chapter 19, Jurafsky and Martin, 2019