From Bruce Clay via the I-Search email newsletter: the US edtion of a Search Engine Relationship Chart (in Acrobat PDF). It shows which search engines receive primary results, directory results, and so on.
URLs:
http://www.bruceclay.com
http://list.adventive.com/SCRIPTS/WA.EXE?A2=ind0212&L=i-search&D=1&T=0&H=1&O=D&F=&S=&P=410
http://www.bruceclay.com/searchenginechart.pdf
















