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An analysis of the similarities between major commercial portals.

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Today: Tuesday, December 15, 1998

Created by Brad Neuberg via original. 2 comments, 1 clone.
Last updated on Mon 12/14/1998. Created on 12/9/1998.

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Brad Neuberg

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By Brad Neuberg

Introduction

Your final project is to design and implement iris, an exercise in information visualization. Iris is not supposed to be an acronym (if you insist, you could try ``Information Reification through Interactive Software''), but rather stands for the topic of a small set of data that you'll be visualizing. The data present information about 150 instances of flowers, fifty each of three different species of iris. Each instance is represented by a record containing five items: sepal length, sepal width, petal length, petal width, and the genus and species of the instance. In the database included in this file, each instance's record occupies one line containing comma-separated fields.

If you are interested, you can find out more about this database here. While the iris data often used for exploring algorithms for automatically analyzing and classifying data, this is not what we'll be doing with it. Instead, you will be designing and implementing ways to allow the user to visualize this data to gain a better understanding of it.

Using the general user interface techniques and information visualization techniques discussed in class and in the readings, your task is to develop an interactive system that lets the user gain the best understanding of the data that you can make possible. You can choose techniques such as detail and context views (e.g., as developed for SDMS), dynamic queries (e.g., as implemented in the MovieFinder), or any of other techniques (not necessarily restricted to those covered in class and in the readings). No matter which set of techniques you choose, however, you will need to develop a user interface that exploits these techniques.

Note that you are free to ``hardwire'' the data set into your system. While a ``real'' visualization system would enable you to load external data sets, you've already written enough file I/O and parsing code this semester, that a reprise wouldn't be valuable. You will demo your version of iris to us at the end of the semester, so you should start thinking about how to show off its functionality, emphasizing user interface design and implementation.

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