Abstract

Natural Language Processing (NLP) allows machines to know nature languages and helps us do tasks, such as retrieving information, answering questions, text summarization, categorizing text, and machine translation. To our understanding, no NLP was used to translate statements from negative sentiment to positive sentiment with resembling semantics, although human communication needs. The developments of translating sentimental statements using deep learning techniques are proposed in this paper. First, for a sentiment translation model, we create negative–positive sentimental statement datasets. Then using deep learning techniques, the sentiment translation model is developed. Perplexity, bilingual evaluation understudy, and human evaluations are used in the experiments to test the model, and the results are satisfactory. Finally, if the trained datasets can be constructed as planned, we believe the techniques used in translating sentimental statements are possible, and more sophisticated models can be developed.

Highlights

  • To date, Natural Language Processing (NLP) methods have been commonly applied in many applications

  • If an Negative Sentimental Statement (NSS) occurs in the chat messages in the translating sentimental statement phase, the learned Sentiment Translation Model (STM) will translate the statement from negative sentiment to positive sentiment

  • For 50,000 IMDB label reviews used in the supervised learning, 25,000 reviews are for training and another 25,000 reviews are for the test, and both have the same number of positive and negative reviews

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Summary

Introduction

Natural Language Processing (NLP) methods have been commonly applied in many applications. No NLP has been used to translate statements from negative sentiment to positive sentiment with resembling semantics, despite the human communication needs. The developments of translating sentimental statements using deep learning techniques are proposed in this paper. The Sentiment Translation Model (STM) is assumed to be trained by using negative–positive pairs of sentimental statements with resembling semantics to construct an STM for translating statements from negative sentiment to positive sentiment. Statement (NPSS) datasets are constructed with over 6 million negative–positive pairs of sentimental statements with resembling semantics. For deep learning, the STM uses the LSTM-based Seq2seq model In applications such as chat messages, the trained STM can translate statements from negative sentiment to positive sentiment.

System Overview
Building Datasets
Datasets
Text Preprocessing
Doc2Vec Model Learning
Doc2Vec Model
Determining
Sentiment Analysis Model
Filtering
Review
Negative–Positive Sentimental Statement Datasets
Negative–positive Sentimental Statement Datasets
Translating
The source
Attention Mechanism
Sentiment
Experimental Results
Environments
Evaluation Indicators
Case Comparisons in Experiment 1
11. Perplexity of Cases
Translated Sentimental Statements in Experiment 1
Results in Experiment 2
Human Assessments
Conclusions
Full Text
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