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Patent drawing for Multi-stage recognition of named entities in natural language text based on …
US 10,007,658 B2
Computing US 10,007,658 B2 Expired

Multi-stage recognition of named entities in natural language text based on …

This invention describes a computer method for identifying specific names or entities (like people, places, or organizations) in text. It works in stages: first, it breaks down words to understand their basic forms and meanings, then uses this to make initial guesses about entities. If those initial guesses aren't good enough, or if a user requests it, the system performs a deeper analysis of sentence structure and meaning to refine its identification of entities.

Why it matters: Filed before large language models (LLMs) became prevalent. LLMs can now perform sophisticated named entity recognition and semantic analysis, potentially simplifying or enhancing the multi-stage process described, or even making parts of the original method less necessary for achieving similar results.

Status
ExpiredProtection ended and was never renewed
How hard to build
SpecializedComplex NLP software, specialized algorithms, data.

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