1. Hinton S. Portal Sites: Emerging structures for Internet control Research Report No. 6 La Trobe University Online Media Program, January 1999.
2. Greenleaf G. , g. King A. Mowbray , Austin D. and Matthews J. . “Future-proofing a global internet index by a targeted Web spider and embedded searches” Australian Society of Indexers Annual Conference “The Futureproof Indexer” 27–28 September 1997, Katoomba, Australia — at (1997).
3. Geoffrey King (to 1998), Daniel Austin, Philip Chung and Andrew Mowbray have all worked on the software and systems side of this project.
4. Aspects of such an approach, in a pre-Intemet context, are explored in Greenleaf, Mowbray and van Dijk 1995.
5. See the “Robots Exclusion” page, dealing with both the standard and the Meta Tag for robot exclusion.