Wsd -
: These rely on external knowledge sources like WordNet or the UMLS Metathesaurus (common in the biomedical field). They use the semantic relationships and definitions within these thesauri to infer the correct sense based on the context of a sentence.
: These approaches do not rely on labeled data or external dictionaries. Instead, they cluster word occurrences based on context similarity, assuming that different senses will appear in different types of word neighborhoods. : These rely on external knowledge sources like
The primary difficulty in WSD stems from the extreme polysemy of language. For example, the word "bank" can refer to a financial institution, a river's edge, or even the tilting of an aircraft. For a computer to choose the correct meaning, it must analyze the surrounding words and sometimes leverage external knowledge bases. Core Approaches to WSD Instead, they cluster word occurrences based on context
Understanding Word Sense Disambiguation (WSD) In the field of Natural Language Processing (NLP), is the critical task of determining which specific "sense" or meaning of a word is used in a particular sentence. Human language is inherently ambiguous; many words have multiple meanings that can only be understood through context. WSD systems aim to resolve these ambiguities automatically, serving as a foundational component for more complex tasks like machine translation, information retrieval, and sentiment analysis. Why WSD is Challenging For a computer to choose the correct meaning,