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Date: Wed, 5 Jun 2013 10:24:28 +0100
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Subject: Re: [PROPOSAL] MetaModel for the Apache Incubator
From: Noah Slater <nslater@apache.org>
To: "general@incubator.apache.org" <general@incubator.apache.org>
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Great. I assume that if someone is eager to join as a mentor and the vote
is already done, we can add them after the fact.


On 5 June 2013 10:22, Henry Saputra <henry.saputra@gmail.com> wrote:

> Thanks Noah.
>
> I think the discussion has calmed down and  hopefully we could start Vote
> thread tomorrow.
>
> - Henry
>
> On Wednesday, June 5, 2013, Noah Slater wrote:
>
> > I sent a note to the CouchDB list to see if anyone else wants
> > to volunteer as a mentor.
> >
> >
> > On 31 May 2013 21:35, Henry Saputra <henry.saputra@gmail.com> wrote:
> >
> > > Added Noah Slater (nslater at apache dot org) as mentor and initial
> > > committer to the proposal.
> > >
> > > - Henry
> > >
> > >
> > > On Tue, May 28, 2013 at 11:20 AM, Henry Saputra <
> henry.saputra@gmail.com
> > > >wrote:
> > >
> > > > Dear ASF members,
> > > >
> > > > We would like to propose MetaModel for the incubator.
> > > >
> > > > Matt Franklin will be the Champion for this project and the proposa=
l
> > > draft
> > > > is available at:
> > > >
> > > > https://wiki.apache.org/incubator/MetaModelProposal
> > > >
> > > > Looking forward to all of your suggestions and feedback.
> > > >
> > > > Thanks,
> > > >
> > > > Henry Saputra
> > > >
> > > >
> > > >
> > > > -------------------------------------------------
> > > >
> > > > =3D MetaModel =96 uniform data access across datastores =3D
> > > >
> > > > Proposal for Apache Incubator
> > > >
> > > > =3D=3D Abstract =3D=3D
> > > >
> > > > MetaModel is a data access framework, providing a common interface
> for
> > > > exploration and querying of different types of datastores.
> > > >
> > > > =3D=3D Proposal =3D=3D
> > > >
> > > > MetaModel provides a uniform meta-model for exploring and querying
> the
> > > > structure of datastores, covering but not limited to relational
> > > databases,
> > > > various data file formats, NoSQL databases, Salesforce.com, SugarCR=
M
> > and
> > > > more. The scope of the project is to stay domain-agnostic, so the
> > > > meta-model will be concerned with schemas, tables, columns, rows,
> > > > relationships etc.
> > > >
> > > > On top of this meta-model a rich querying API is provided which
> > resembles
> > > > SQL, but built using compiler-checked Java language constructs. For
> > > > datastores that do not have a native SQL-compatible query engine, t=
he
> > > > MetaModel project also includes an abstract Java-based query engine
> > > > implementation which individual datastore-modules can adapt to fit
> the
> > > > concrete datastore.
> > > >
> > > > =3D=3D=3D Background =3D=3D=3D
> > > >
> > > > The MetaModel project was initially developed by eobject.dk to
> service
> > > > the DataCleaner application (http://datacleaner.org). The main
> > > > requirement was to perform data querying and modification operation=
s
> > on a
> > > > wide range of quite different datastores. Furthermore a programmati=
c
> > > query
> > > > model was needed in order to allow different components to influenc=
e
> > the
> > > > query plan.
> > > >
> > > > In 2009, Human Inference acquired the eobjects projects including
> > > > MetaModel. Since then MetaModel has been put to extensive use in th=
e
> > > Human
> > > > Inference products. The open source nature of the project was
> > reinforced,
> > > > leading to a significant growth in the community.
> > > >
> > > > MetaModel has successfully been used in a number of other open sour=
ce
> > > > projects as well as mission critical commercial software from Human
> > > > Inference. Currently MetaModel is hosted at
> > > http://metamodel.eobjects.org.
> > > >
> > > > =3D=3D=3D Rationale =3D=3D=3D
> > > >
> > > > Different types of datastores have different characteristics, which
> > > always
> > > > lead to the interfaces for these being different from one another.
> > > > Standards like JDBC and the SQL language attempt to standardize dat=
a
> > > > access, but for some datastore types like flat files, spreadsheets,
> > NoSQL
> > > > databases and more, such standards are not even implementable.
> > > >
> > > > Specialization in interfaces obviously has merit for optimized usag=
e,
> > but
> > > > for integration tools, batch applications and or generic data
> > > modification
> > > > tools, this myriad of specialized interfaces is a big pain.
> > Furthermore,
> > > > being able to query every datastore with a basic set of SQL-like
> > features
> > > > can be a great productivity boost for a wide range of applications.
> > > >
> > > > =3D=3D=3D Initial goals =3D=3D=3D
> > > >
> > > > MetaModel is already a sta> http://eobjects.org/svn/MetaModelbutwil=
l
> > be moved to an Apache
> > > repository.
> > > >
> > > > =3D=3D=3D Issue tracking =3D=3D=3D
> > > >
> > > > JIRA MetaModel (METAMODEL)
> > > >
> > > > =3D=3D=3D Other resources =3D=3D=3D
> > > >
> > > > We would like to have wiki page located at:
> > > > http://wiki.apache.org/MetaModel
> > > >
> > > > In later development phase a set of database servers (specifically
> > > > MongoDB, CouchDB, MySQL, PostgreSQL, MS SQL Server (Express),
> Firebird)
> > > > should be made available for integration testing.
> > > > Currently this is done internally at Human Inference.
> > > >
> > > > =3D=3D=3D Initial committers =3D=3D=3D
> > > >
> > > > Kasper S=F8rensen (i.am.kasper.sorensen [at] gmail.com), Project
> > Founder,
> > > > works at Human Inference
> > > >
> > > > Ankit Kumar (ak.ankitkumar [at] gmail.com), works at Human Inferenc=
e
> > > >
> > > > Sameer Arora (sameer11sep [at] gmail.com)
> > > >
> > > > Henry Saputra (hsaputra [at] apache.org)
> > > >
> > > > Juan Jos=E9 van der Linden (delostilos [at] gmail.com), works for
> Quipu
> > > >
> > > > Arvind Prabhakar (arvind at apache dot org)
> > > >
> > > > Matt Franklin (mfranklin at apache dot org)
> > > >
> > > >
> > > > =3D=3D Sponsors =3D=3D
> > > >
> > > > =3D=3D=3D Champion =3D=3D=3D
> > > >
> > > > Matt Franklin (mfranklin at apache dot org)
> > > >
> > > > =3D=3D=3D Nominated mentors =3D=3D=3D
> > > >
> > > > Henry Saputra  (hsaputra at apache dot org)
> > > >
> > > > Arvind Prabhakar (arvind at apache dot org)
> > > >
> > > > Matt Franklin (mfranklin at apache dot org)
> > > >
> > > > =3D=3D=3D Sponsoring entity =3D=3D=3D
> > > >
> > > > The Apache Incubator.
> > > >
> > > >
> > >
> >
> >
> >
> > --
> > NS
> >
>


--=20
NS

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