3 papers
cs.CL2026
Best Preprocessing Techniques for Sentiment Analysis
Saranzaya Magsarjav, Melissa Humphries, Jonathan Tuke +1
Sentiment analysis in Twitter datasets is important because it enables monitoring public opinion on products and analysis of political and social movements. One critical step is pr…
cs.CL2026
Learning Moral Diversity: Modelling Individual Perspectives in Moral Classification of Texts
Yi Ren, Lewis Mitchell, Matthew Roughan
Understanding moral values in social media text offers insight into moral judgement formation, and supervised NLP models trained on crowdsourced data have achieved strong classific…
q-fin.ST2025
Hierarchical Representations for Evolving Acyclic Vector Autoregressions (HEAVe)
Cameron Cornell, Lewis Mitchell, Matthew Roughan
Causal networks offer an intuitive framework to understand influence structures within time series systems. However, the presence of cycles can obscure dynamic relationships and hi…