Resumen: APOTHEOSIS is a tool for efficiently identifying and comparing data similarity in large datasets, addressing challenges faced by traditional methods such as scalability and speed. APOTHEOSIS overcomes them by combining advanced algorithms and data structures, enabling fast and accurate similarity analysis. Specifically, it uses a custom hierarchical small navigation world as an approximate -nearest neighbors search method, and approximate similarity digests algorithms to find common features between similar data items, also supporting various distance metrics beyond vector-based approaches. Our software tool is designed for seamless integration into research workflows, improving reproducibility and facilitating the comparison of large-scale, high-dimensional data comparison across multiple domains. Idioma: Inglés DOI: 10.1016/j.softx.2024.102016 Año: 2024 Publicado en: SoftwareX 29 (2024), 102016 [6 pp.] ISSN: 2352-7110 Factor impacto JCR: 2.4 (2024) Categ. JCR: COMPUTER SCIENCE, SOFTWARE ENGINEERING rank: 62 / 128 = 0.484 (2024) - Q2 - T2 Factor impacto SCIMAGO: 0.483 - Software (Q3) - Computer Science Applications (Q3)