Thank you for helping David. My username is KasperSorensen. Can someone please provide me access to create a new proposal wiki page on http://wiki.apache.org/incubator/ProjectProposals ?
Best regards, Kasper -----Original Message----- From: David Crossley [mailto:cross...@apache.org] Sent: 29. januar 2013 04:51 To: general@incubator.apache.org Subject: Re: Potential proposal + request volunteers for champion & mentor roles - MetaModel Kasper Sørensen wrote: > Dear all, > > After some time spent (yeah, sorry quite a lot more time than we had hoped), > we finally now have the green light to officially post a proposal to the > Incubator to take on MetaModel as a project. Since it's been a while, I wish > to call out again for sponsors. We found a few some months ago, but we where > out of contact for so long I feel it's most fair to ask again. > > Please find below the draft proposal which we would love to further work on > together with sponsors before finally submitting it. (I tried posting it on > the wiki but was not authorized, probably because my account is a new one). You need to ask on this general@ list and tell your wiki username. See http://wiki.apache.org/incubator/FrontPage -David > Best regards, > Kasper Sørensen > > ------------------------------------------------- > > MetaModel - uniform data access across datastores Proposal for Apache > Incubator > > ----------------------------- > > Abstract > > MetaModel is a data access framework, providing a common interface for > exploration and querying of different types of datastores. > > -------- > > Proposal > > MetaModel provides a uniform meta-model for exploring and querying the > structure of datastores, covering but not limited to relational databases. > 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, the > MetaModel project also includes an abstract Java-based query engine > implementation which individual datastore-modules can adapt to fit the > concrete datastore. > > Background > > The MetaModel project was initially developed by eobject.dk to service the > DataCleaner application. The main requirement was to perform data querying > and modification operations on a wide range of quite different datastores. > Furthermore a programmatic query model was needed in order to allow different > components to influence the query plan. > > In 2009, Human Inference acquired the eobjects projects including MetaModel. > Since then MetaModel has been put to extensive use in the 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 source > projects as well as mission critical commercial software from Human Inference. > > Rationale > > 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 data 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 usage, 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. > > Initial goals > > MetaModel is already a stable project, so initial goals are more oriented > towards an adaption to the Apache ecosystem than about functional changes. We > are constantly adding more datastore types to the portfolio (currently a > Salesforce.com web service consumer datastore is being tested), but the core > modules have not had drastic changes for some time. Our focus will be on > making ties with other Apache projects (such as POI, Gora and CouchDB) and > potentially renaming the 'MetaModel' project to something more rememberable. > > -------------- > > Current status > > Meritocracy > > We intend to do everything we can to encourage a meritocracy in the > development of MetaModel. Currently most important development and design > decisions have been made at Human Inference, but with an open window for > anyone to participate on mailing lists and discussion forums. We believe that > the approach going forward should be more encouraging by sharing all the > design ideas and discussions in the open, not only just the topics that have > been "dragged" into the open by third parties. We believe that meritocracy > will be further stimulated by granting the control of the project to an > independent committee. > > Community > > The community around MetaModel already exists, but we believe it will grow > substantially by becoming an Apache project. With MetaModel used in a wide > range of both open and closed source application, both at Human Inference > (HIquality MDM), it's open source projects DataCleaner, SassyReader and > AnalyzerBeans and by other parties (such as the Quipo data warehouse > automation project), we believe that the critical mass to sustain a community > is there. > > Core developers > > MetaModel was founded by Kasper Sørensen in 2009. Later it was incorporated > as a core library by Human Inference, meaning that more than 20 developers > have been involved in its making in this commercial setting. Furthermore a > smaller number of contributors have submitted patches for the library. Others > have started building other interesting data-oriented libraries on top of > MetaModel, for instance the 'vasc' open source project by Willem Cazander, > which is an implementation of the Java Persistence API (JPA) for all the > datastores supported by MetaModel. > > Alignment > > MetaModel already makes good usage of existing Apache projects such as POI, > CouchDB and OpenOffice. Furthermore developers from the Apache Gora project > have indicated a need for a project like MetaModel to solve specific uniform > datastore access needs. > > ----------- > > Known risks > > Orphaned products > > The contributors and the contributing organization (Human Inference) have a > very strong dependence on MetaModel already and will continue to have that > for a long time. The continued need for this vendor to support new types of > datastores and maintain existing functionality will ensure that MetaModel is > not in the risk of being orphaned. > > Inexperience with Open Source > > MetaModel is already open source, and has been so for many years. Main > contributors of the project have also contributed to other open source > projects such as DataCleaner and Apache Mahout. The openness of Apache is > arguably more extensive, but we are only encouraged and delighted to be > handling the project in a more open manner. > > Homogenous Developers > > Frequent committers are currently located in Denmark, The Netherlands and > India. They are used to working in a distributed environment. > > Reliance on Salaried Developers > > Most of the developers are paid by their employer to contribute to this > project, but given the dependence on MetaModel from both commercial and open > source projects, the project would continue without issue if no salaried > developers contributed to the project. > > Relationship with Other Apache Products > > MetaModel depends on several Apache products including commons-lang, > commons-io, commons-codec, http-components, POI, CouchDB, OpenOffice and > XMLBeans. > Furthermore MetaModel is built by Apache Maven. > > An Excessive Fascination with the Apache Brand > > The ASF has a strong brand, and that brand is in itself attractive. However, > the developers of MetaModel have been quite successful on their own and could > continue on that path with no problems at all. We are interested in joining > the ASF in order to increase our contacts and visibility in the open source > world. Furthermore, we have been enthusiastic users of Apache, and would feel > honored by getting the opportunity to join the club. > > ------------- > > Documentation > > Information on MetaModel can be found at: > http://metamodel.eobjects.org > > Initial source > > MetaModel has been developed since 2009 and have undergone a couple of major > changes (indicated by the 2.x and 3.x versions). The code is used in mission > critical systems and is considered very stable and high performing. > > The source includes a fork of the xBaseJ project's code, which will be > removed upon incubation. This code was originally GPL licensed, but granted > with a special license to MetaModel to be forked and relicensed using the > current LPGL license of MetaModel. Removal of the xBaseJ code will > effectively mean that the Apache variant of MetaModel will not have support > for dBase database files. We imagine that the dBase module could live on as a > separate pluggable module under the LGPL license, outside of Apache. > > External dependencies > > The dependencies all have Apache compatible licenses. These include BSD and > MIT licensed dependencies. > > ------------------ > > Required resources > > Mailing lists > > The default set of mailing lists for an Apache project is considered > sufficient for MetaModel. > > Subversion directory > > A subversion or git repository is needed. Currently MetaModel's code is > hosted at http://eobjects.org/svn/MetaModel but will be moved to an Apache > repository. > > Issue tracking > > JIRA MetaModel (METAMODEL) > > Other resources > > If possible, 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. > > Initial committers > > Kasper Sørensen (i.am.kasper.soren...@gmail.com) TODO > > Affiliations > > Kasper Sørensen - works at Human Inference TODO > > ------- > > Sponsors > > Champion > TODO > > Nominated mentors > TODO > > Sponsoring entity > TODO --------------------------------------------------------------------- To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org For additional commands, e-mail: general-h...@incubator.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org For additional commands, e-mail: general-h...@incubator.apache.org
