The purpose of this survey is to "crowd source" the greatness of the Great Books of the Western World. Here are a few links from our blog addressing the question more specifically:
How "great" are the Great Books? - Outlines the idea for measuring the "greatness" of a book and enumerates both the titles in the Great Books as well as the Great Ideas.
Collecting the Great Books - Enumerates the process used to create a local, plain text corpus of the Great Books.
Measuring the Great Books - Details the process for measuring greatness -- the result of which is something we call the Great Ideas Coefficient.
Great Books data dictionary - Provides access to the numeric results of the calculations, available as an XML, CSV, or interactive HTML file
Map - Illustrates where in the world people are voting