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Peer reviewed Peer reviewed
Manolopoulos, Yannis; Nardelli, Enrico; Papadopoulos, Apostolos; Proietti, Guido – Information Systems, 1997
Investigates the manipulation of large sets of two-dimensional data representing multiple overlapping features, and presents a new access method, the MOF-tree. Analyzes storage requirements and time with respect to window query operations involving multiple features. Examines both the pointer-based and pointerless MOF-tree representations.…
Descriptors: Computer System Design, Database Design, Database Management Systems, Information Management
Peer reviewed Peer reviewed
De Castro, Cristina; Grandi, Fabio; Scalas, Maria Rita – Information Systems, 1997
Investigates new design options for extended schema versioning support for multitemporal relational databases. Discusses the improved functionalities they may provide. Outlines options and basic motivations for the new design solutions, as well as techniques for the management of proposed schema versioning solutions, includes algorithms and…
Descriptors: Computer Oriented Programs, Computer System Design, Database Design, Database Management Systems