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Re: XQuery: msg#00002

Subject: Re: XQuery
Hello Kevin,

your project looks very interesting! I'd like to be notified about milestone releases.

Kevin Tew wrote:

Quick Intro:
I'm a graduate student at Brigham Young University working for Phil
Windley.

I'm writing in order to start conversations and relationships with
researchers in the Scheme/XQuery field.
> What other scheme researchers do you know of that have interests in
> XQuery or XML Query in Scheme?

Looking at the wiki page "Literature Review for SXQuery Project", I think you have an exhaustive list of the researchers. At least, the list contains entries on all activities I know. I have a vague feeling that the ssax-sxml mailing list archive contains traces of more projects, but I'm not sure.

Look also into CVS:

http://cvs.sourceforge.net/viewcvs.py/ssax/sxml-tools/

A lot of interesting SXML tools are hidden there.

I blog my current research at http://blogs.eclab.byu.edu/tewk/.
I also have a research wiki at
http://wiki.eclab.byu.edu/index.cgi?SXQueryLiteratureReview


Your wiki is excellent! I like it very much.

You can also look at my wiki, probably you'll find more related links:

http://xmlhack.ru/protva/xquery/


I look forward to corresponding with you and hope we can cooperate and 
collaborate.


Well, some time ago I though about implementing XQuery in Scheme, but I've given up. The main problems are that implementing XQuery is a big task for one man and that (just IMHO) XQuery is polluted by W3C Schema. By the way, before starting to write code, think a lot about how to implement namespaces. A wrong decision will lead to big pain.

I decided to switch to a simplier task of implementing XPath. On the other side, I believe that 99% of XSLT or XQuery implementation is an XPath implementation. So if we had an XPath, we could easily implement XSLT or XQuery.

Be aware that SXPath is not a real XPath implementation, but just a useful library of combinators. I hope that the real XPath will be provided by DDO-SXPath from Dmitry Lizorkin.

Right now I'm working on a tool for stress-testing XPath implementations. So if you'll write your own XPath subsystem, you'll be able to test it.

Sincerely,
Kevin Tew
2204 TMCB
tewk-LBaQsqPCPro3uPMLIKxrzw@xxxxxxxxxxxxxxxx
Graduate Research Student
Enterprise Computing Laboratory - http://www.eclab.byu.edu/
Brigham Young University
Current Research http://blogs.eclab.byu.edu/tewk/


--
Oleg Paraschenko  olpa@ http://xmlhack.ru/  XML news in Russian
http://uucode.com/blog/  Generative Programming, XML, TeX, Scheme



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