This paper presents a new framework for constructing networked applications, including multimedia ones. The framework is based on a hierarchical mobile agent system for allowing more than one mobile agent to be dynamically assembled into a single mobile agent. Networked applications constructed in the framework can be implemented as a collection of mobile agents and can dynamically change and e...

Ownership systems express hierarchical data structures well but can have difficulty expressing relationships between peers. Relationships systems, on the other hand, do not address ownership issues. This paper considers the recent work on relationship systems in the context of ownership, and presents ideas for adding ownership to relationship systems.

We present and evaluate improvements for Street Layout, a technique that can be used for visualizing evolving hierarchical data such as file structures or software systems. Street Layouts represent data as street networks, where each street represents a branch of the hierarchy and buildings around streets represent leaves. We extended the initial idea in various ways to increase compactness and...

One way to validate a scientific theory is to show that the results predicted by the theory give correct answers; that is, that they match known results. In the Analytic Hierarchy Process (AHP) this usually means finding examples with measures in an already known scale. To validate AHP priority vectors against measures from known scales the measures must first be normalized by dividing by their...

To win elections, candidates attempt to mobilize supporters and persuade swing voters. With what magnitude each operates across American elections is not clear. I argue that the influence of swing voters should depend upon change in the candidates across elections and that the consequences of changes in composition should depend upon the relative balance of campaign expenditures. I estimate a B...

This article extends Bayarri and Berger’s (1999) proposal for model evaluation using “partial posterior” p values to the evaluation of second-stage model assumptions in hierarchical models. Applications focus on normal-normal hierarchical models, although the final example involves an application to a beta-binomial model in which the distribution of the test statistic is assumed to be approxima...