+1 (non-binding) On Wed, Nov 17, 2010 at 2:50 PM, ant elder <ant.el...@gmail.com> wrote: > +1 > > ...ant > > On Wed, Nov 17, 2010 at 1:10 PM, Ross Gardler <rgard...@apache.org> wrote: >> Please vote on the acceptance of JENA into the incubator. The proposal can >> be found at http://wiki.apache.org/incubator/JenaProposal and is copied >> below. >> >> [ ] +1 Accept Jena for incubation >> [ ] +0 Don't care >> [ ] -1 Reject for the following reason: >> >> The vote is open for at least 72 hours. >> >> Thanks, >> Ross >> >> = Jena, a Semantic Web Framework = >> == Abstract == >> Jena is a semantic web framework for Java, based on W3C standards. >> >> == Proposal == >> Jena provides a semantic web framework in Java that implements the key W3C >> recommendations for the core semantic web technologies of RDF and SPARQL. >> Jena is a number of components and modules built on this core system. It >> currently includes: >> >> * an API for working with RDF >> * Parsers and writers for the RDF formats (RDF/XML, Turtle, N-triples, >> NQuads, TriG) >> * an implementation of SPARQL, the W3C standard RDF query language >> * multiple storage systems for RDF data including in-memory, file-backed, >> in SQL databases and in custom scalable storage systems >> * an API for manipulation of OWL >> * a rule-based inference engine >> * an implementation of GRDDL for extraction of RDF from XML formats >> * a standards compliant IRI library. >> >> The project includes facilities based around this core to encourage the >> creation of components and contributions both as part of Jena and also as >> companion open source activities. >> >> This proposal includes the main components of Jena: the main Jena download, >> ARQ, GRDDL, SDB, TDB, the IRI library and Joseki. Other components may be >> contributed later - we're just starting with the main part of Jena for now. >> >> == Background == >> The W3C recommendations provide detailed specifications and it is important >> to follow these standards so that independently built applications can >> exchange data over the web. Jena provides high quality Java >> implementations of RDF input/output and storage so that application writers >> can concentrate on the application, not the low-level details. >> >> W3C Semantic Web: http://www.w3.org/standards/semanticweb/ >> >> Jena has been on !SourceForge since 2001. >> http://sourceforge.net/projects/jena/ >> >> == Rationale == >> The open source project was originally created as part of a research >> activity in HPLabs. In building new systems, the researchers identified >> the value of a common platform that dealt with the low level details of >> the standards. This lead to engagement with the standards process and the >> creation of a framework that provided a library to deal with the details of >> semantic web standards. This work was released as Jena. The developers >> have contributed implementation experience back to the working groups. >> >> None of the contributors now work for HP. Providing a uniform contributor >> and licensing framework assists commercial use of Jena. >> >> == Current Status == >> Jena is already an established project with a large user base in industry >> and academia. It currently uses a BSD-style three-clause license with a >> number of contributing copyright holders. Support is primarily provided via >> the jena-...@groups.yahoo.com mailing list. The majority of the team was >> employed in HPLabs, and HP holds the majority of the copyright over the code >> - there are contributions from non-HP companies. HP decided to close the >> research group as of October 2009 and the people from HPLabs connected with >> the project have moved on to several different semantic web companies. >> >> This change does not immediately affect Jena because the people who were in >> HP still remain active contributors to Jena. The project continues to be >> supported and actively enhanced. There is now the opportunity to become an >> open source project without a single large organisation involved. >> >> === Meritocracy === >> The Jena team has always been self-determining; there has not been a project >> manager in charge of the effort. Instead, it has grown through individuals >> contributing to the codebase as part of their research activities. The team >> has organised itself to create the framework for builds, releases and public >> support, and people who had worked on Jena in HP, and moved to other >> companies and institutions, have continued to contribute. >> >> === Core developers === >> Jena originated within a research activity in HPLabs, starting around 2000. >> Contributors to jena have been active in W3C working groups including >> chairing the "RDF Core" working group and acting as document editors on >> several other working groups. W3C processes are public; jena contributors >> have been involved in public debate and decision making. People have since >> moved on from HP to several semantic web forced companies and to university >> positions. >> >> === Alignment === >> Jena is already in use in many commercial systems as well as widely used in >> academic research and teaching. We want to continue making this easy and >> at the same time encourage contribution in a well-known environment. >> >> Jena is already pretty much run in a collaborative open development style >> with communication on mailing lists. >> >> == Known Risks == >> === Orphaned products & Reliance on Salaried Developers === >> Jena is in use by companies we work for so the companies have an interest in >> its continued vitality. >> >> The Jena team members are not employed to work on Jena specifically; while >> there is some development as part of their day-jobs, the team members do >> also contribute personal time as well. >> >> === Inexperience with Open Source === >> While Jena has been open-source since 2001, the majority of individuals >> involved do not have wide experience of contributing to other open source >> projects, so the team members need to develop more skills in participating >> in open-source communities. >> >> === Relationships with Other Apache Products === >> Jena uses Xerces, Lucene, Apache Commons HttpClient and Apache Commons >> FileUpload. >> >> Jena is used by Clerezza (in incubation). >> >> === A Excessive Fascination with the Apache Brand === >> Jena has an established community of users and is used in both academic and >> commercial settings. The Apache environment offers Jena the opportunity to >> expand the ways that more people can be involved and contribute, and hence >> to ensure the project is not dependent on the current members. We hope that >> association with Apache will also encourage other open source projects that >> use Jena to help develop a healthy and vibrant semantic web open source >> ecosystem. >> >> Apache offers us a clear licensing framework and support infrastructure >> which would reassure the many users of Jena who exploit it in commercial >> environments as well as those in other open source projects. >> >> == Documentation == >> Overview documentation, tutorials, topic-based how-tos and detailed !JavaDoc >> can be found at http://openjena.org/ >> >> == Initial Source == >> The majority of the current codebase resides in the Jena project CVS/SVN on >> !SourceForge. Joseki is also on !SourceForge; we later decided to put all >> projects under one SF project so this is a historical anomaly. The modules >> in the initial source are: >> >> * [[http://jena.cvs.sourceforge.net/viewvc/jena/|Jena CVS area on >> SourceForge]] >> * jena2 (the core system, include RDF, rules and OWL subsystems) >> * iri (the IRI library) >> * Eyeball and !EyeballAcceptance (a checker for RDF) >> * [[http://jena.svn.sourceforge.net/viewvc/jena/|Jena SVN area on >> SourceForge]] >> * ARQ (SPARQL query and update engine) >> * Fuseki (SPARQL server) >> * grddl (GRDDL implementation for Jena) >> * SDB (SQL database layer for Jena) >> * TDB (customer storage layer for Jena) >> * Ymris (experimental rules engine) >> * Experimental/Jena3 (experiment reorganisation of jena) >> * [[http://joseki.cvs.sourceforge.net/viewvc/joseki/Joseki3/|Joseki CVS >> area on SourceForge]] >> * Joseki3 module. >> >> == Source and Intellectual Property Submission Plan == >> We are in discussions with HP, the largest copyright holder, about licensing >> to Apache and currently HP has indicated that it is willing to do so in >> principle. >> >> The initial committers overtake to resolve all IP and copyright issues that >> concern the dependencies of the initial source and of any contributions in >> accordance with Apache requirements for graduating from incubator status. >> >> All contributions to the Jena codebase are under BSD-style license. The >> majority of copyright is held by HP. Some copyright is held by others, as >> noted in the codebase. This includes contributions from the initial >> committers below and any other contributions. >> >> >> >> == External Dependencies == >> Details of license of components used by Jena are available at: >> http://openjena.org/Licenses/index.html >> >> The Jena GRDDL Reader has some additional dependencies: >> http://jena.sourceforge.net/grddl/license.html >> >> We are heavily dependent on Xerces for both parsing and also for XML >> datatype support. >> >> == Cryptography == >> No specific cryptography. >> >> == Required Resources == >> Mailing lists >> >> * jena-private (with moderated subscriptions) >> * jena-dev >> * jena-commits >> * jena-user >> >> Subversion Directory >> >> * jena >> >> Issue Tracking >> >> * JIRA >> >> Other Resources >> >> * Hudson >> >> == Initial Committers == >> The intial committers are the currently active developers for Jena. >> >> * Chris Dollin >> * Paolo Castagna >> * Damian Steer >> * Jeremy Carroll >> * Ian Dickinson >> * Dave Reynolds >> * Andy Seaborne >> >> == Affiliations == >> * Epimorphics Ltd: Dave Reynolds, Ian Dickinson, Chris Dollin, Andy >> Seaborne >> * Talis Systems Ltd: Paolo Castagna >> * University of Bristol: Damian Steer >> * TopQuadrant Inc: Jeremy Carroll >> >> == Sponsors == >> === Champion === >> Ross Gardler (rgardler .at. apache.org >> >> === Nominated Mentors === >> * Bertrand Delacretaz (bdelacretaz .at. apache.org) >> * Leo Simons (leosimons .at. apache.org) >> * Dave Johnson (snoopdave .at. gmail.com) >> * Benson Margulies (bimargulies .at. gmail.com) >> >> === Sponsoring Entity === >> Incubator PMC >> >> >> -- >> rgard...@apache.org >> @rgardler >> >> --------------------------------------------------------------------- >> 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 > >
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