Question answering method facing specific field

A technology for specific fields and problems, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as inaccurate identification of proper names
CN106844741AInactive Publication Date: 2017-06-13HARBIN INST OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
HARBIN INST OF TECH
Publication Date
2017-06-13
Estimated Expiration
Not applicable · inactive patent

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Abstract

Provided is a question answering method facing a specific field. The invention relates to the question answering method facing the specific field. The goal is to solve a problem that in the prior art, identification of entities such as personal name, geographic name and organization name is accurate, but identification of proper names in the specific field is inaccurate is inaccurate. The process comprises a first step of constructing a word list in a specific field, and utilizing the word list to segment input questions; a second step of performing question analysis on the input questions having been divided; a third step of performing semantic questions and character string layer extension on question components, and obtaining answer candidate words; a fourth step of performing answer candidate word-attribute retrieval in a knowledge base, and obtaining answer candidate paragraphs; and a fifth step of screening candidate answer sentences from the answer candidate paragraphs. The question answering method is used for question answering in the specific field.
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Description

Technical field

[0001] The invention relates to a problem solving method oriented to a specific field. Background technique

[0002] Question Answering System (QA) is an advanced form of information retrieval system, it can use accurate and concise natural language to answer users' questions in natural language. For us today, time is extremely precious, so it makes sense to build a question-and-answer system in a specific field.

[0003] At present, there are not many related materials on the construction of question and answer systems in specific fields, but there are relevant information about question and answer systems based on structured data. The main idea of ​​a question and answer system based on structured data is to analyze the problem and transform it into a query (query) , And then query in structured data, and the returned query result is the answer to the question. The main data processing flow is as follows: (1) Analyze the problem according to the characteristics ...

Claims

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