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Technical GlossaryNatural Language Processing

Coreference Resolution

A task that determines whether different expressions in text refer to the same entity or event.

Coreference resolution is a critical step for text understanding systems to move beyond surface language. If pronouns, shortened mentions, and repeated references are not resolved correctly, NER, relation extraction, and QA quality can all degrade. It plays a particularly important role in long-document processing and multi-sentence context.