Jebbara, Soufian: Neural Approaches to Relational Aspect-Based Sentiment Analysis. Exploring generalizations across words and languages. 2020
Inhalt
- Abstract
- Acknowledgments
- Introduction
- Motivation
- Terminology
- Challenges
- Research Questions
- Contributions and Structure of the Thesis
- Publications
- Background
- Relational Sentiment Analysis
- Introduction
- A Relational Framework for Aspect-Based Sentiment Analysis
- Opinion Target and Opinion Phrase Extraction
- Domain-Specific Word Embeddings
- Part-of-Speech Tags
- Convolutional Neural Network Model
- Recurrent Neural Network Model
- Stacked Model
- Joint Opinion Target and Opinion Phrase Extraction
- Opinion-Phrase-Specific Sentiment Classification
- Relation Extraction
- Experimental Evaluation and Discussion
- Datasets
- Experimental Settings
- Evaluation: Domain-Specific Word Embeddings
- Evaluation: Opinion Target and Opinion Phrase Extraction
- Evaluation: Opinion-Phrase-Specific Sentiment Classification
- Evaluation: Opinion-Target Relation Extraction
- Discussion and Future Work
- Conclusion
- Aspect-Based Sentiment Analysis and Structured Resources
- Introduction
- A Two-Step Approach for Aspect-Based Sentiment Analysis
- Domain-Specific Word Embeddings
- Part-of-Speech Tags
- Opinion Target Extraction
- Target-Specific Sentiment Classification
- Retrofitting Word Embeddings to WordNet
- Extracting Word-Level Features from SenticNet
- Experimental Evaluation and Discussion
- Conclusion
- Subword Information for Opinion Target Extraction
- Introduction
- Baseline Model
- Character-Enhanced Model
- Experimental Evaluation and Discussion
- Dataset
- Experimental Settings
- Overall Performance
- Suffix Information
- Out-of-Vocabulary Errors
- Multi-Word Expressions
- Conclusion
- Zero-Shot Cross-Lingual Opinion Target Extraction
- Introduction
- Monolingual Model
- Cross-Lingual Model
- Experimental Evaluation and Discussion
- Datasets
- Experimental Settings
- Zero-Shot Transfer Learning
- Cross-Lingual Transfer Learning with Additional Target Language Data
- Comparison of Alignment Methods
- Comparison to State-of-the-Art
- Discussion
- Conclusion
- Conclusion
- List of Tables
- List of Figures
- Acronyms
- Bibliography