Query Optimization in NoSQL Databases Using an Enhanced Localized R-tree Index. - Aristeidis Karras; Christos N. Karras; Dimitrios Samoladas; Konstantinos C. Giotopoulos; Spyros Sioutas (iiWAS, 2022)

Tree Data Structures and Efficient Indexing Techniques for Big Data Management: A Comprehensive Study. - Dimitrios Samoladas; Christos N. Karras; Aristeidis Karras; Leonidas Theodorakopoulos; Spyros Sioutas (PCI, 2022)