Subject: Re: Searching huge xml-documents From: Rick Geimer <rick.geimer@xxxxxxx> Date: Wed, 14 Apr 1999 17:04:48 -0700 |
Could you post the URL, if there is one. I would be very interested in being able to store and query a DOM on secondary storage. Rick Geimer National Semiconductor rick.geimer@xxxxxxx Ed Nixon wrote: > There was a posting on Robin Cover's XML News site last week or the week > before about an implementation of XQL from folks in Darmstadt. They have > implemented an 'compliation' mechanism that takes the DOM tree, indexes it > and writes to disk. At that point it's possible to run XQL against this > file, either in memory or cached to disk. > > Perhaps this would be worth a look? ...edN > > > -----Original Message----- > > From: owner-xsl-list@xxxxxxxxxxxxxxxx > > [mailto:owner-xsl-list@xxxxxxxxxxxxxxxx]On Behalf Of Thomas Weholt > > Sent: Wednesday, April 14, 1999 6:54 AM > > To: xsl-list@xxxxxxxxxxxxxxxx > > Subject: Searching huge xml-documents > > > > > > hi, > > > > I was thinking using XML as fileformat for a CD database. Each cd can > > containg approx. 20000 files, like clipart or source code, and > > I need a fast ( I don`t mind waiting for 5-10 secs. to search > > 300-500 cds ( > > max 20000 entries pr. cd )) method to pick out items > > according to a given > > index. > > > > Something like > > > > <cd_doc> > > ... info about the cd ... > > <entries> > > <entry no="1" path="/cdrom/stugg/long path/more > > text/python_stuff.tar.gz" ... more info .../> > > ... 199999 or so more entries > > </entries> > > </cd_doc> > > > > I want to search by entry no or sort by any other attribute. Perhaps > > genererate an word-index to speed-up the process. The reason > > I want to use > > XML is that I use java, perl, python and other programming > > languages on > > several platforms. XML is readable for humans and easy to put > > on the web. > > My main consern is speed. Storagespace is not an issue. How > > fast is XSL? > > How fast is available Java packages? Any thoughts? > > > > I don`t even know if this is "doable", like generating > > indexes etc., but > > would like to use xml at least for learning purposes. > > > > As an experiment I created a xml-document with the structure above, > > containing 90000 entries and searched for a given entry no, > > using Xt and a > > simple xsl-stylesheet. The result was a little slow. Has > > anybody tested the > > IBM java tools for searching, not generating html, but just > > looking up a > > given element in a huge document, the result ( in time ) would be > > interesting. Xt probably has some overhead due to the fact > > it`s written in > > java -> starting VM and so on. If a java-app is allready > > running, how fast > > can I locate several elements in a given xml-document? > > > > > > > > > > > > ---------------------------------------------- > > Thomas Weholt > > eMail : weholt@xxxxxxxxxxxxxx > > HTTP://www.linuxfreak.com/~weholt > > Phone : +47 - 92 09 59 68 > > ---------------------------------------------- > > > > > > > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list > > > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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