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A corpus (plural: corpora) is a large and organized collection of written or spoken texts used in fields like natural language processing (NLP), linguistics, and machine learning. Corpora are essential for training AI models to understand human language, as they provide the raw data needed to analyze grammar, semantics, context, and frequency of usage. Examples include news articles, transcripts, books, or social media posts. Specialized corpora can be domain-specific (e.g., legal, medical) and are often annotated to support tasks like text classification, sentiment analysis, or machine translation.
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