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Patent drawing for Single-entity-single-relation question answering systems, and methods
US 10,678,816 B2
Computing US 10,678,816 B2 Expired

Single-entity-single-relation question answering systems, and methods

This invention describes a computer system designed to convert disorganized text, such as online discussions, into structured, labeled facts. Its purpose is to answer simple questions that involve only one specific item and one relationship, like "What is the capital of France?". The system automatically identifies and extracts question-and-answer pairs from user discussions, then filters them to ensure only these single-entity-single-relation facts are used to build its knowledge base. When a user asks a question, the system analyzes it to find the relevant item and relationship, then searches its organized facts for the answer.

Why it matters: Filed before large language models (LLMs) became widely capable, this system's core task of automated data labeling and relation extraction was far more challenging. Modern LLMs can now perform these tasks, including filtering for single-entity-single-relation facts, with significantly greater efficiency and accuracy, potentially simplifying the system's implementation.

Status
ExpiredProtection ended and was never renewed
How hard to build
SpecializedSoftware logic, machine learning, data structures

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