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Jim Henderson has an article in the latest Canadian Medical Association Journal titled "Google Scholar: A source for clinicians?" which discusses the "deep web" and various sources to get at it - worth a read. http://www.cmaj.ca/cgi/content/full/172/12/1549?etoc Regards Gary PS - I had never heard the term until this thread started. Now I imagine I'll see it everywhere... ________________________________________________________________________ Gary Jackson, Public Health Physician Counties Manukau District Health Board 19 Lambie Drive, Manukau City Private Bag 94052, South Auckland Mail Centre ph 64-9-262 9535 fax 64-9-262 9501 mobile 021 286 1815 email [log in to unmask] ________________________________ From: Evidence based health (EBH) [mailto:[log in to unmask]] On Behalf Of Andrew Jull Sent: Tuesday, June 07, 2005 11:18 PM To: [log in to unmask] Subject: Deep web I have recently come across the concept of the Deep Web ie databases that are not available to a normal surface web search using engines such as Google. I have been struggling for sometime to locate an unpublished trial conducted in Europe during the 1980s relevant to a systematic review I maintain. The company (Hoechst) has long merged to become Aventis and nobody seems to know much about the trial, but I would dearly like to get this information. BrightPlanet has a proprietary search instrument called Deep Query Manager which apparently manages searches of the Deep Web. I wondered if Deep Web searching might help locate some information about the unpublished study - even reference to the PIs would be a good start. Has anybody on the list any experience in using Deep Web searches or heard of anybody considering doing so? Andrew Jull RN MA(Appl) Research Fellow Clinical Trials Research Unit School of Population Health Tamaki Campus University of Auckland Private Bag 92019 Tel: +64 9 373-7599 Ext 84744 Auckland Fax: +64 9 373-1710 New Zealand Email: [log in to unmask]