[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Will XML eat the web?
Matthew Sergeant (EML) wrote: > > > -----Original Message----- > > From: Paul Prescod [SMTP:paul@p...] > > > > "Matthew Sergeant (EML)" wrote: > > > > > > You > > > can use a persistent parsed structure like a DOM maintained in memory, > > but > > > for some applications such as a rapidly changing XML database this isn't > > > always feasible (or is it?). > > > > You could continually update the DOMs based on changes in the XML. What > > exactly are your concerns about this architecture. > > > Not everyone (ourselves included) uses DOM. We started that way but > found it too resource intensive (large amounts of both processing and > memory). We switched to a simple expat parser and built our own query > language based on XQL paths. This gave a huge speed up and drop in resource > usages, but I still have concerns. XQL has pretty serious limitations as compared to other XML query languages. If you want to build a query language comparable in power to OQL then DOM seems like a better alternative. Also DOM should not such a resource hog as it is now. Pavel Velikhov xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@i... Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ To (un)subscribe, mailto:majordomo@i... the following message; (un)subscribe xml-dev To subscribe to the digests, mailto:majordomo@i... the following message; subscribe xml-dev-digest List coordinator, Henry Rzepa (mailto:rzepa@i...)
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