[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Distributed DOM implementations
At 04:20 PM 1/27/1999 -0800, Pavel Velikhov wrote: > I have build a prototype of an XML database system, but I have found >out that >the XML parser is the chief performance bottleneck (DOM is my "storage >model"). >I.e. to query a document I have to parse all of it, even though the >query may >concern only a tiny fragment of it. Instead, if the document is >pre-parsed and >stored in some efficient representation (either main memory tree or some >hierarchial >representation on disk) and is available via DOM commands, I would save >a lot of >time. > This is very similar to the approach we're taking to distributing archival documents in the Making of America II project at Berkeley; we pre-parse the documents and extract information from them using DOM into Java objects which are then serialized and written to disk. The objects provide a somewhat higher level interface for delivering information to clients that want to interact with the objects. It does indeed make things a good deal faster. Jerome McDonough -- jmcdonou@l... | (......) Library Systems Office, 386 Doe, U.C. Berkeley | \ * * / Berkeley, CA 94720-6000 (510) 642-5168 | \ <> / "Well, it looks easy enough...." | \ -- / SGNORMPF!!! -- From the Famous Last Words file | |||| 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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