Constructing a 2-D Database for the World Wide Web
Ron D. Appel, Christine Hoogland, Amos Bairoch, Denis F. Hochstrasser · Humana Press eBooks · 2003
A federated two-dimensional (2-D) database is a database containing 2-D data that are accessible on the World Wide Web (WWW) and that are dynamically linked to other similar databases through active hypertext links over the Internet (,). Federated 2-D databases respect five rules that can be found at URL: http://www.expasy.ch/ch2d/fed-rules.html.