| Challenge: | Using a large corpus of 8,314 target-level sentiment annotations, sentiment classification on multiple opinion aspects/targets level is unsatisfactory. |
| Approach: | They propose to construct a large-scale target-based sentiment annotation corpus on Chinese financial news text. |
| Outcome: | The proposed corpus has 8,314 target-level sentiment annotations on Chinese financial news text. |
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| Challenge: | a large-scale Chinese dataset contains 12,160 news articles and 13,725 quintuples . a four-hop Chain-of-Thought LLM-based approach is devised for this task . |
| Approach: | They propose to extend financial sentiment analysis to event-level since events usually serve as the subject of the sentiment in financial text. |
| Outcome: | The proposed method can reach the current state-of-the-art on a large-scale Chinese dataset. |
If you’ve got it, flaunt it: Making the most of fine-grained sentiment annotations (2021.eacl-main)
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| Challenge: | a recent study shows that annotating sentiments is difficult and difficult. |
| Approach: | They propose to integrate holder and expression information into sentiment analysis to improve target extraction . they perform experiments on eight English datasets to determine whether annotating expressions improves target extraction. |
| Outcome: | The proposed approach improves target extraction and classification on English datasets. |
FinEntity: Entity-level Sentiment Classification for Financial Texts (2023.emnlp-main)
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| Challenge: | FinEntity annotates financial entity spans and their sentiment (positive, neutral, and negative) in financial news. |
| Approach: | They introduce an entity-level sentiment classification dataset called FinEntity that annotates financial entity spans and their sentiment in financial news. |
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Aspect-Based Sentiment Analysis as Fine-Grained Opinion Mining (2020.lrec-1)
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| Challenge: | a large body of research has been done on aspect-based sentiment analysis (ABSA) for almost two decades . aspect-Based sentiment analysis is a task that extracts sentiment/opinions from text in terms of targets . |
| Approach: | They propose a meaning-preserving annotation scheme for aspect-based sentiment analysis . they then apply it to two popular ABSA datasets to examine their results . |
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Learning Target-Specific Representations of Financial News Documents For Cumulative Abnormal Return Prediction (C18-1)
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| Challenge: | Recent work considers learning dense representations for news titles and abstracts . text representations can address the sparsity of discrete indicators in statistical models . |
| Approach: | They propose to use news abstracts to combine the most informative sentences in news content to learn dense representations for text elements. |
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DCFEE: A Document-level Chinese Financial Event Extraction System based on Automatically Labeled Training Data (P18-4)
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| Challenge: | Existing methods to extract events from documents are limited due to the high cost of labeling . Experimental results demonstrate the effectiveness of a document-level Chinese financial event extraction system. |
| Approach: | They propose a document-level Chinese financial event extraction framework which detects event mentions and extracts events from financial news. |
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Benchmarks and models for entity-oriented polarity detection (N18-3)
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| Challenge: | a dataset of 17,000 manually labeled documents is large for determining entity-oriented polarity in business news. |
| Approach: | They propose a convolutional neural network-based approach to classify entity-oriented polarity in business news. |
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An Event-comment Social Media Corpus for Implicit Emotion Analysis (2020.lrec-1)
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| Challenge: | Existing methods for identifying implicit emotions have been poor in analyzing explicit emotions. |
| Approach: | They propose to construct a Chinese eventcomment social media emotion corpus which deals with both explicit and implicit emotions with more emphasis being placed on the implicit ones. |
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Annotated Corpus for Sentiment Analysis in Odia Language (2020.lrec-1)
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| Challenge: | Existing sentiment analysis models are not available for Odia 1 as it is a resource-poor language. |
| Approach: | They create an annotated Odia corpus and test its usability by training and testing on the corpus using various classifiers. |
| Outcome: | The created corpus contains 2045 Odia sentences from news domain annotated with sentiment labels using a well-defined annotation scheme. |
The SSIX Corpora: Three Gold Standard Corpora for Sentiment Analysis in English, Spanish and German Financial Microblogs (L18-1)
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| Challenge: | SSIX corpora provide annotated data for supervised learning methods . polarity annotation is performed on two financial microblog platforms . |
| Approach: | They propose three SSIX corpora for sentiment analysis which provide annotated data for supervised learning methods. |
| Outcome: | The proposed corpora are in English, German and Spanish. |