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From Paul Fremantle <pzf...@gmail.com>
Subject Re: [PROPOSAL] VXQuery
Date Wed, 13 May 2009 08:08:00 GMT
Yes I am willing to be a mentor.

Paul

On Tue, May 12, 2009 at 7:57 PM, Vinayak Borkar <vborky@yahoo.com> wrote:
> Paul,
>
> Thank you for your interest in the VXQuery engine. We are looking for
> mentors for the project. Would you be willing to be a mentor?
>
> Thanks,
> Vinayak
>
> Paul Fremantle wrote:
>>
>> Synapse would also be interested in using the XQuery implementation!
>>
>> Thanks
>> Paul
>>
>> On Mon, May 11, 2009 at 7:22 PM, Vinayak Borkar <vborky@yahoo.com> wrote:
>>>
>>> Hello,
>>>
>>> We wish to present a proposal to create a new project in the incubator
>>> called VXQuery. Please find below, the plain-text version of the
>>> proposal.
>>> Any feedback would be greatly appreciated.
>>>
>>>
>>> Thanks,
>>> Vinayak
>>>
>>> VXQueryProposal
>>> Abstract
>>>
>>> Apache VXQuery is a language processor that implements the XML Query
>>> Language v1.0 standardized by the W3C.
>>> Proposal
>>>
>>> VXQuery (Versatile XQuery) will be a standards compliant XML Query
>>> processor
>>> implemented in Java. We believe that there exists a strong (and growing)
>>> need to process semi-structured data in many applications. The W3C
>>> standardized v1.0 of the XML Query Language in early 2007. Since then, a
>>> few
>>> processors have surfaced (both commercial and open source). VXQuery will
>>> implement this standard.
>>>
>>> VXQuery plans to be the glue that brings together imperative programming
>>> in
>>> Java and declarative programming in XQuery. The project would enable
>>> developers to use XQuery to navigate and transform application objects
>>> declaratively in Java applications with minimal overhead.
>>>
>>> In the VXQuery project we plan to build an implementation that allows
>>> users
>>> to run declarative XQueries on arbitrary object models. Existing XQuery
>>> engines execute queries by translating the user data into some form of
>>> XML
>>> Object model. With VXQuery, we take the opposing view - Translate the
>>> query
>>> to work natively on the user's object model.
>>>
>>> In addition, VXQuery works on top of different XML representations
>>> including
>>> DOM, Stax, and a space optimized model motivated by Xalan's DTM (Document
>>> Table Model).
>>>
>>> VXQuery will also provide a library that allows application developers to
>>> express declarative queries without the need to learn a new syntax. We
>>> believe that this will speed up the adoption process.
>>> Current Status
>>>
>>> This is a new project.
>>> Meritocracy
>>>
>>> The initial developers are very familiar with meritocratic open source
>>> development at Apache. Apache was chosen specifically because the initial
>>> developers want to encourage this style of development for the project.
>>> Community
>>>
>>> VXQuery seeks to develop developer and user communities during
>>> incubation.
>>> Core Developers
>>>
>>> The core members of the project are diverse. Vinayak Borkar is an
>>> independent consultant. Till Westmann works for a company that would be a
>>> potential consumer of VXQuery. During incubation the developers base will
>>> be
>>> broadened.
>>> Alignment
>>>
>>> XQuery is gaining more traction as a XML management technology and there
>>> already are several Apache projects ([WWW] XMLBeans, [WWW] Camel, [WWW]
>>> Tuscany) that use or need a XQuery implementation. As no such
>>> implementation
>>> is available as an Apache project these projects have to rely on external
>>> engines. VXQuery can fill this gap and complement the XML support of the
>>> Apache Software Foundation.
>>> Known Risks
>>> Orphaned products
>>>
>>> VXQuery is new development.
>>> Inexperience with Open Source
>>>
>>> The initial developers include long-time open source developers. Vinayak
>>> Borkar is an active contributor to the Zorba project at the FLWOR
>>> foundation.
>>> Relationships with Other Apache Products
>>>
>>> XMLBeans is a representation of XML that would be natively supported in
>>> VXQuery. Therefore VXQuery can be used as an efficient and
>>> Apache-licensed
>>> implementation for the [WWW] selectPath and execQuery methods found in
>>> XMLBeans.
>>>
>>> Similarly, [WWW] Tuscany's SDO implementation can be natively supported
>>> and
>>> VXQuery can be used to provide an [WWW] XQuery implementation for
>>> Tuscany.
>>>
>>> VXQuery can also be used as an XQuery implementation for [WWW] Camel.
>>>
>>> Further, VXQuery uses the Xerces XML parser and schema validator.
>>> A Excessive Fascination with the Apache Brand
>>>
>>> We believe in the processes, systems, and framework Apache has put in
>>> place.
>>> Apache is also known to foster a great community around their projects
>>> and
>>> provide exposure. While these points are important, they are not the main
>>> motivation for choosing Apache to host VXQuery.
>>> Documentation
>>>
>>> Not publicly available
>>> Initial Source
>>>
>>> Not publicly available
>>> External Dependencies
>>>
>>> [WWW] JavaCC (BSD license), [WWW] Davos SDO implementation (Apache 2.0
>>> license), [WWW] Woodstox XML parser (Apache 2.0 license), [WWW] XStream
>>> project (BSD license)
>>> Required Resources
>>> Developer and user mailing lists
>>>
>>> [MAILTO] vxquery-dev@incubator.apache.org [MAILTO]
>>> vxquery-users@incubator.apache.org [MAILTO]
>>> vxquery-commits@incubator.apache.org
>>> A subversion repository
>>>
>>> [WWW] https://svn.apache.org/repos/asf/incubator/vxquery
>>> A JIRA issue tracker
>>>
>>> VXQuery (VXQUERY)
>>> Initial Committers
>>>
>>>   *
>>>
>>>     Vinayak Borkar <vborky at yahoo dot com>
>>>   *
>>>
>>>     Till Westmann <till at westmann dot org>
>>>   *
>>>
>>>     Cezar Andrei <cezar at apache dot org> [Have CLA]
>>>   *
>>>
>>>     Michael Carey <mjcarey at ics dot uci dot edu>
>>>
>>> Sponsors
>>>
>>>   *
>>>
>>>     XMLBeans PMC
>>>
>>> Champion
>>>
>>>   *
>>>
>>>     Cezar Andrei
>>>
>>> Nominated Mentors
>>>
>>>   *
>>>
>>>     Looking for mentors
>>>
>>>
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>>>
>>>
>>
>>
>>
>
>
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>



-- 
Paul Fremantle
Co-Founder and CTO, WSO2
Apache Synapse PMC Chair
OASIS WS-RX TC Co-chair

blog: http://pzf.fremantle.org
paul@wso2.com

"Oxygenating the Web Service Platform", www.wso2.com

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