Heart Failure Research Literature — NMTF Derived Dataset (2000–2025)

Derived, copyright-safe NMTF outputs (topic-term scores, topic-time series, topic-topic S-matrices, coherence, and 2030 forecasts) for the heart-failure literature in PubMed (34 topics) and Scopus (29 topics), 2000-2025. No raw or preprocessed abstract text is included (PubMed/Scopus terms). Supports the article 'Mapping the Thematic Evolution of the Heart Failure Literature with Non-Negative Matrix Tri-Factorization: A Dual-Database Text-Mining Study (2000-2025)'.