Denis Laschenko
2026
SokraTUM at SemEval-2026 Task 3: A hybrid cascade of Label Distribution Learning, RAG supported generative extraction and contrastive metric learning for dimensional sentiment analysis
Denis Laschenko | Albert Korotyk
Proceedings of the 20th International Workshop on Semantic Evaluation (2026)
Denis Laschenko | Albert Korotyk
Proceedings of the 20th International Workshop on Semantic Evaluation (2026)
The Dimensional ABSA (DimABSA) sharedtask extends traditional aspect-based sentimentanalysis from categorical polarity to continuousvalence–arousal (VA) prediction. We presentour system for all three subtasks: DimensionalAspect Sentiment Regression (DimASR),Dimensional Aspect Sentiment Triplet Extrac-tion (DimASTE), and Dimensional AspectSentiment Quad Prediction (DimASQP).Due to the cascading nature of the differentsubtasks, we built a modular interlockingpipeline that uses classical Machine Learningand NLP methods.Experiments across domains show consistentgains in regression accuracy and structuredextraction performance. Our results demon-strate the effectiveness of distribution-awareregression, retrieval-augmented generation, andcontrastive prototype learning for dimensionalsentiment analysis.