[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: XML diff tool / algorithm
On 06/28/2011 11:49 AM, Michael Kay wrote: > On 27/06/2011 23:42, Johannes.Lichtenberger wrote: >> Hello, >> >> does someone use an XML-diff tool, which can handle large XML instances >> up to several GBs and more? > > DeltaXML specializes in this area. > > www.deltaxml.com Hello Michael, that's one of the things I've found very early, but I've forgotten to meantion that I'm searching free software or just an algorithm which can be used in conjunction with our open source XML database system. It should be used for importing the data, to update the stored data to new revisions, since updates can be handled efficiently based on the used algorithm in the database system (Full, Incremental, Differential and another one, which is going to be explained in a paper soon). For the incremental and differential approach the found changes have to be minimal or at least smaller than inserting a full dump. I haven't found something which fulfills my criterias (minimal edit scripts, which in our case means minimal updates to the storage, handle large instances and is running in reasonable times (maybe only in the worst case O(n^2)). regards, Johannes
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