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Text information similarity matching method and device, computer device and storage medium

A text information and matching method technology, which is applied in the field of text information similarity matching, can solve the problem of low accuracy

Inactive Publication Date: 2018-10-09
PING AN TECH (SHENZHEN) CO LTD
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Problems solved by technology

[0004] The purpose of the present invention is to at least solve one of the above-mentioned technical defects, especially the technical defects of low precision

Method used

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  • Text information similarity matching method and device, computer device and storage medium
  • Text information similarity matching method and device, computer device and storage medium
  • Text information similarity matching method and device, computer device and storage medium

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Embodiment Construction

[0035] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0036] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof.

[0037] Those sk...

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Abstract

The invention provides a text information similarity matching method and device on the basis of TF-IDF. The method includes the steps of acquiring text information; performing word segmentation on thetext information to obtain word segments w1, w2, ..., wn-1 and wn; using a CBOW model for calculating word vectors V(w1), V(w2), ..., V(wn-1) and V(wn) of the word segments respectively; using the TF-IDF algorithm for calculating TF-IDF values k1, k2, ..., kn-1 and kn of the word segments respectively; according to products of the word vectors of the word segments and the corresponding TF-IDF values, obtaining a sentence vector V; calculating the cosine similarity between the sentence vector V and sentence vectors of pre-stored statements, and determining the pre-stored statement with the maximum cosine similarity. Through the process above, the pre-stored statement which is the most similar to the text information can be found, the accuracy of problem recognition can be improved in the aspects of robot dialogue, information classification and the like, and therefore the dialogue efficiency or the classification efficiency is improved. A computer device and a storage medium are also provided.

Description

technical field [0001] The present invention relates to the technical field of text information identification. Specifically, the present invention relates to a TF-IDF-based text information similarity matching method and device, a computer device and a storage medium storing computer-readable instructions. Background technique [0002] With the development of intelligence, customer service robots and chat robots are becoming more and more popular. Users can consult customer service robots by inputting text messages, or chat with chat robots. [0003] When the robot recognizes the text information sent by the user, it needs to give feedback based on the text information. Generally speaking, the feedback information can be determined according to the retrieval method or the generation method according to the text information. The generation method is to automatically generate answers based on the model. This method requires a large number of labeled question-answer pairs for...

Claims

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Application Information

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IPC IPC(8): G06F17/27
CPCG06F40/205G06F40/289
Inventor 周涛涛周宝王健宗肖京
Owner PING AN TECH (SHENZHEN) CO LTD
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