This article examines the evolution of documents and its impacts from the following aspects: information density, longevity, uniqueness, duplicability, mobility, connectivity, and integration. It focuses on the consequences of the shift from printed media to digital media. By looking back on...

Purpose – To provide an integrated perspective to similarities and differences between approaches to automated classification in different research communities (machine learning, information retrieval and library science), and point to problems with the approaches and automated classification...