Topological data analysis (TDA) is a collection of powerful tools that can quantify shape and structure in data in order to answer questions from the data's domain. This is done by representing some aspect of the structure of the data in a simplified topological signature. In this article, we introduce two of the most commonly used topological…

Examines major network structures and provides criteria for selecting the best layout. Describes daisy-chain, star, bus, tree, ring, and token ring topologies. Discusses factors to consider when connecting computers, including user needs, printing demands, modem and file sharing, user grouping, the physical plant, and connective equipment. (AEF)