Doh, is Zetoc not free?  Nevermind my excitement about it in that case. :)

Jonathan

Dr R. Sanderson wrote:
> 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.
>>     
>
>