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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
Dietrich, Eleanor; Hendrickson-Larson, Joanna; Hoppe, Ruth; Paige, Bruce; Rosenow, Steve – 2002
The Labor Exchange Skills Project, which was conducted under the sponsorship and direction of the U.S. Department of Labor, Employment and Training Administration, was designed to develop a labor exchange skills database (ETA) that would improve the usability of many Department of Labor applications and products developed by other public and…
Descriptors: Career Education, Career Information Systems, Classification, Database Design
Wilkinson, L. David; And Others – 1993
This paper describes the first-year results of Distributive Information Systems for Campuses (DISC), a project implemented in the Austin Independent School District (Texas). The goal was to increase the data access and information-generating capabilities of campuses by decentralizing data manipulation functions, while maintaining centralized data…
Descriptors: Computers, Data Processing, Database Design, Database Management Systems