With print material, publishers, journal referees and libraries ensured that only quality information was readily available. On the network these constraints on publishing are released. Despite concerns expressed about retrieval, the easing of these constraints will make the filtering of quality information out of the material available, the main and central problem in networked publishing and digital libraries. There are no easy automated solutions to assessment of quality. Material once written and formatted can be published, as is, on the network with low-level desktop machine.
Web robots can collect information from selected machines and generate globally available indexes.
Software able to include authentication and charging into services is starting to be available for commercial services. Publicity about new publications can be communicated by e-mail to target groups at low cost. At least two groups, which may be integrated in one organisation, would seem to need to be required. For the reasons given the only viable place for cataloguing information to be inserted is at the publishing stage by the publisher. The second grouping is the gateway provider.