Comment recommendation system and method based on deep learning

A recommendation system and deep learning technology, applied in special data processing applications, instruments, biological neural network models, etc., can solve problems such as poor recommendation interpretation ability

Active Publication Date: 2020-07-03
HARBIN UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention is mainly to solve the problem that the existing recommendation s

Method used

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  • Comment recommendation system and method based on deep learning
  • Comment recommendation system and method based on deep learning
  • Comment recommendation system and method based on deep learning

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Experimental program
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specific Embodiment approach 1

[0096] This implementation mode is a comment recommendation system based on deep learning, and the system includes:

[0097] (S1) The feature extraction unit performs word segmentation for comments related to users and products, and uses pre-trained characters and word vectors to obtain text feature representations through text feature processors; for product images, use image feature processors to obtain image features; for User and product attributes use attribute processors to obtain attribute characteristics; including:

[0098] (S11) preprocessing module: obtain the sth pair of users user A and product item B Initial representations of corresponding text, images, and attributes;

[0099] For the words / characters in the text, use the StanfordNLP word segmentation tool and the Glove word embedding tool to process, and obtain the vector representation of the text, that is, the text in vector form;

[0100] For the image, each pixel in the image is represented by the RGB v...

specific Embodiment approach 2

[0176] Specific implementation mode two: combination figure 1 This embodiment will be described.

[0177] This embodiment is a method for recommending comments based on deep learning, and the method includes the following steps:

[0178] (S1) The feature extraction step specifically includes:

[0179] (S11) preprocessing step: obtain the sth pair of users user A and product item B Corresponding texts, images and initial representations of attributes; the texts include product description texts, product review texts, and user review texts; the images are product images; the attributes include product attributes and user attributes;

[0180] For the words / characters in the text, use word segmentation tools and word embedding tools to obtain the vector representation of the text;

[0181] For the image, each pixel in the image is represented by the RGB values ​​of the three primary colors;

[0182] For attributes, use feature values ​​to represent;

[0183...

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Abstract

The invention discloses a comment recommendation system and method based on deep learning, and belongs to the technical field of information dissemination. The problem that an existing recommendationsystem only gives recommendation scores, and consequently the recommendation interpretation capacity is poor is mainly solved. According to the system, comment text feature representation is acquiredby using a character and word-level bidirectional recurrent neural network; acquiring image features by using a convolutional neural network; obtaining attribute feature representation by using a decomposition machine neural network; and a memory mechanism is used for solving the cold start problem of users and products in the recommendation system; and obtaining a relationship between the user and the product by using a bilinear tensor mechanism to jointly generate scores and comments. The method is mainly used for comment recommendation in information dissemination.

Description

technical field [0001] The invention relates to a comment recommendation system and method. It belongs to the field of information communication technology. Background technique [0002] The recommendation system is an important intelligent task, which recommends products of interest to users through the powerful computing power of computers. With the development of information technology and the change of people's lifestyle, people's life begins to rely more and more on information, including the dependence on recommended information. [0003] The recommendation system has experienced collaborative filtering recommendation, content-based recommendation, knowledge-based recommendation and hybrid recommendation system, and gradually developed to today's deep learning-based recommendation system. The deep neural network partially solves the gradient dispersion and explosion, and has developed rapidly in recent years, and has been applied to the recommendation system and achi...

Claims

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Application Information

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IPC IPC(8): G06F16/9535G06N3/04
CPCG06F16/9535G06N3/044G06N3/045
Inventor 刘宇鹏张晓晨
Owner HARBIN UNIV OF SCI & TECH
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