Overview of the problem Problem: many words have different meanings Or senses, i.e. there is ambiguity about how they are to be specifically interpreted (e. g, differentian Task to determine which of the senses of an ambiguous word is invoked in a particular use of the word by looking at the context of its use Note: more often than not the different senses of a word are closely related 20212/5 Natural Language Processing--Word Sense Disambiguation2021/2/5 Natural Language Processing -- Word Sense Disambiguation 2 Overview of the Problem ◼ Problem: many words have different meanings or senses, i.e., there is ambiguity about how they are to be specifically interpreted (e.g., differentiate). ◼ Task: to determine which of the senses of an ambiguous word is invoked in a particular use of the word by looking at the context of its use. ◼ Note: more often than not the different senses of a word are closely related