nlp natural-language-processing word2vec wordnet hacktoberfest synonym augmentation mixup augmentation-methods low-resouce-language nlp-augmentation

twitter sentiment-analysis sentiment dataset opinion-mining african-languages datasets twitter-sentiment-analysis shared-tasks sentiment-classification semeval-sentiment nlp-datasets shared-task twitt nlp-dataset low-resouce-language low-resolution-data low-resource-nlp africanlp semeval2023

emotion african-languages emotion-analysis shared-tasks emotion-detection emotion-recognition emotion-classification shared-task low-resource-languages low-resouce-language semeval-2025