Posts by Ryan Reposar

Oct 8, 2013

Android PIM

We use PIM (Personal Information Management) apps—including email, calendar, and contacts—to help us keep our lives in order.

Mar 25, 2013

Computer Networks

We created these diagrams to help us better understand computer networks. The diagrams use two computer networks—a small office network and sections of a large enterprise network—as reference networks.

Sep 28, 2011

Alzheimer’s Disease

This diagram presents a model of Alzheimer’s disease. It brings together many facts about Alzheimer’s disease to present a picture of the disease and the context in which it operates. The diagram is intended to help people who are familiar with some aspects of AD have a wider understanding of it. It is also helpful […]

Feb 17, 2009

The Ballot Ecosystem

An election is a complex process with several steps involving many components. This concept map provides a general overview.

Apr 18, 2006

Navigating Dynamic Databases

This article introduces several issues related to the problem of navigating multi-dimensional data spaces—large databases. It examines problems with trying to conform data to a single taxonomy and the limits of tree structures as navigational devices. It offers several alternative devices, and it notes the need to enable random, multi-variate filtering so that users may […]