Recolhidas pela Interactive Learning with a Digital Library in Computer Science, uma compilação de definições para biblioteca digital. A noção de «espaço de informação» está implícita nesta descrição de Edward A. Fox (1999):
"Digital libraries are complex data/information/knowlege (hereafter information) systems that help: satisfy the information needs of users (societies), provide information services (scenarios), organize information in usable ways (structures), manage the location of information (spaces), and communicate information with users and their agents (streams)."