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This case study shows how a hypertext system was used in a traveling exhibit of the Smithsonian Institution. The database about archaeology was constructed by a professor and students of the history department of the ...

Recently, spatial databases have attracted increasing interest in the database field. Because of the volume of the data with which they deal with, the performance of spatial database systems' is important. The R-tree ...

This paper surveys the contributions of five mathematicians\,---\,Eugenio Beltrami (1835--1899), Camille Jordan (1838--1921), James Joseph Sylvester (1814--1897), Erhard Schmidt (1876--1959), and Hermann Weyl (1885--1955 ...

There are numerous problems associated with formulating queries on networked information systems. These include data diversity, data complexity, network growth, varied user base, and slow network access. This paper proposes ...

Appeared in Proceedings of ACASSP-91. An algorithm for updating the null space of a matrix is described. The algorithm is based on a new decomposition, called the URV decomposition, which can be updated in $O(N^2)$ and ...

This report develops a conceptual framework for text filtering practice and research, and reviews present practice in the field. Text filtering is an information seeking process in which documents are selected from a ...

We propose a specification model and present a method to algorithmically derive a protocol specification from a service specification based on the model. Unlike the previous models based on finite state machines, the ...

High complexity tasks, such as remote teleoperation of robotic vehicles, often require multiple windows. For these complex tasks, the windows necessary for task completion, may occupy more area than available on a ...

(Also cross-referenced as CAR-TR-699) Given two simple polygons P and Q in the plane and a translation vector t E R2, the area-oJ-overlap function of P and Q is the function Ar(t) = Area(P n (t + Q)), where t + Q denotes ...

The Human-Computer Interaction Laboratory (HCIL) and the Maryland Department of Juvenile Justice (DJJ) have been working together to develop the ProgramFinder, a tool for choosing programs for a troubled youth from drug ...