可扩展的深度学习框架用于情绪分析预测,用于在线电影评论
Peter Atandoh1, Fengli Zhang1, Mugahed A Al-Antari2
1School of Information and Software Engineering, University of Electronic Science and Technology of China, North Jianshe Road, Chengdu, 610054, Sichuan, China.
Heliyon
|May 24, 2024
概括
本研究介绍了PEW-MCAB模型用于电影评论中的情感分析. 深度学习方法通过分析文字顺序和文本中隐藏的含义来实现高准确度.
科学领域:
- 自然语言处理自然语言处理.
- 深度学习 (Deep Learning) 是一种深度学习.
背景情况:
- 情绪分析对于电子商务,特别是在线电影行业至关重要.
- 了解评论中的单词顺序和隐藏含义可以增强情绪分析.
研究的目的:
- 为情感分析提供增强的文本表示和深度学习模型.
- 分析单词信息顺序,揭示在线电影评论中隐藏的含义.
主要方法:
- 开发了PEW-MCAB模型,使用定位嵌入和预训练的手套嵌入矢量 (PEW) 来表示文本.
- 集成了多通道卷积神经网络 (MCNN) 与基于注意力的双向长期短期记忆 (AB) 模型.
- 在四个数据集上评估模型:IMDB,MR (2002),MRC (2004) 和MR (2005).
主要成果:
- 在PEW-MCAB模型实现了高准确率:90.3% (IMDB),84.1% (MR 2002),85.9% (MRC 2004),和87.1% (MR 2005).
- 该模型通过将全文视为一个统一的部分来有效地分类情绪.
结论:
- 拟议的PEW-MCAB模型在实际应用中显示出对有效和有竞争力的情绪分析的重大前景.
- 增强的文本表示和深度学习架构有助于提高分析在线电影评论的性能.
相关概念视频
Aggregates Classification
317
Aggregate classification is generally based on its size, petrographic characteristics, weight, and source. Size classification ranges from coarse to fine aggregates, defined by the size of the particles. Coarse aggregates are particles that do not pass through ASTM sieve No. 4, and aggregates that pass through the sieve are fine aggregates.
Petrographic classification groups aggregates based on common mineralogical characteristics. Some of the common mineral groups found in aggregates are...
Petrographic classification groups aggregates based on common mineralogical characteristics. Some of the common mineral groups found in aggregates are...
317
Improving Translational Accuracy
10.1K
Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
10.1K
Prediction Intervals
2.3K
The interval estimate of any variable is known as the prediction interval. It helps decide if a point estimate is dependable.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.
2.3K
Classification of Signals
445
In signal processing, signals are classified based on various characteristics: continuous-time versus discrete-time, periodic versus aperiodic, analog versus digital, and causal versus noncausal. Each category highlights distinct properties crucial for understanding and manipulating signals.
A continuous-time signal holds a value at every instant in time, representing information seamlessly. In contrast, a discrete-time signal holds values only at specific moments, often denoted as x(n), where...
A continuous-time signal holds a value at every instant in time, representing information seamlessly. In contrast, a discrete-time signal holds values only at specific moments, often denoted as x(n), where...
445
Predicting Reaction Outcomes
8.3K
Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...
8.3K


