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Thanks Terry, a really good comparison! One more that I came up with, in thinking about this slightly further ... ticTOCs is open to the public whereas ZETOC requires an institutional login to access the data. A big plus on ticTOCs' side! Rob On Thu, 12 Feb 2009, Bucknell, Terry wrote: > Zetoc covers about 20,000 journals, including journals that are >print-only, or that exist online but do not provide their own RSS feeds > ticTOCs covers about 12,000, limited to journals that provide their >own RSS feeds (so this excludes print-only journals in the main) > Zetoc is based the British Library's acquisitions of print issues, >with data re-keyed into to system, which means that it may be a few >weeks between an issue being published an appearing in Zetoc. > ticTOCs uses feeds from the publishers (or their online hosts), so >they are as up to date as the publisher wants to make them. Sometimes > Zetoc only contains tables of contents > ticTOCs contains whatever the publisher chooses to include in its >feed, which may include abstracts, subject terms, DOIs, and graphical >abstracts (especially for chemistry titles) > > So to summarise, Zetoc covers more journals, but ticTOCs should be >more up to date and contains richer content.