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From Roman Shaposhnik <ro...@shaposhnik.org>
Subject Re: [Proposal] TinkerPop: A Graph Computing Framework
Date Wed, 17 Dec 2014 22:09:16 GMT
As one of Giraph devs I really like the idea of having TinkerPop in ASF.

A few questions/points:
   * could you please post the proposal to:
         https://wiki.apache.org/incubator/TinkerPop Proposal
      (let me know your wiki ID if you don't have enough karma)
   * do you guys have a champion and initial set of mentors in mind?
   * could you please fill out affiliations section?

Thanks,
Roman.

On Wed, Dec 17, 2014 at 11:09 AM, Marko Rodriguez <okrammarko@gmail.com> wrote:
> Hello,
>
> My name is Marko A. Rodriguez and am a co-founder of TinkerPop
> (http://tinkerpop.com). There has been positive pressure on us (both
> internally and externally) to move TinkerPop to The Apache Foundation. This
> email contains our proposal and I, on behalf of TinkerPop, thank you for
> spending your time reading it.
>
> Take care,
> Marko.
>
> http://markorodriguez.com
>
> ------------------------------------
>
>
>
> A. Abstract
>
> TinkerPop is a graph computing framework written in Java --
> http://tinkerpop.com. TinkerPop started in 2009 and is currently in the
> milestone series of 3.0.0.  Graph system vendors such as in-memory graph
> libraries, OLTP graph databases, and OLAP graph processors can provide a
> TinkerPop implementation
> (http://markorodriguez.com/2013/01/09/on-graph-computing/). Once the core
> TinkerPop interfaces are implemented, the underlying graph system can be
> queried using the graph traversal language Gremlin. TinkerPop was designed
> to be used at any scale and as such, can be leveraged by both single-server
> and multi-machine compute clusters. For many, TinkerPop is seen as the JDBC
> of the graph computing community
> (http://en.wikipedia.org/wiki/Java_Database_Connectivity).
>
> B. Proposal
>
> Since its inception in 2009, TinkerPop has been open source, free to use.
> Initially the license was BSD, but as of TinkerPop3, the license is Apache2.
> The TinkerPop team is composed of developers as well as representatives from
> numerous graph system vendors
> (http://www.tinkerpop.com/docs/3.0.0-SNAPSHOT/#tinkerpop-contributors).
> TinkerPop has done its best to remain vendor agnostic and works closely with
> vendors to ensure that the constructs within TinkerPop are able to
> accommodate the requirements of the underlying graph system. To date, over
> 12 graph system vendors provide TinkerPop implementations. We believe that
> by joining The Apache Foundation, our vendors, users, and contributors will
> feel more comfortable in terms of legal protected, in terms of
> wider-adoption, and in terms of project stability.
>
> C. Background
>
> TinkerPop was founded in 2009 and has had steady, active development since.
> Over the years, the Gremlin query language within TinkerPop has been adopted
> by various JVM languages and as such, there exists Gremlin-Groovy,
> Gremlin-Scala, Gremlin-Clojure, Gremlin-JavaScript, and the like. In many
> ways, Gremlin is seen as a traversal language style that can be readily
> adopted by developers --- on and off the JVM. TinkerPop is not bound to the
> JVM in that developers wishing to interact with a TinkerPop-enabled graph
> system can leverage Gremlin Server which provides "over the wire"
> communication as well as the entry point for non-JVM language bindings.
> TinkerPop is being used is production graph-based applications around the
> world and is only getting better with age.
>
> D. Rationale
>
> The graph computing space has grown over the years to encompass numerous
> graph database and graph processing systems. TinkerPop was created as a
> unifying framework for interoperability, language standardization, and data
> model standardization.  This framework makes it simple to "plug and play"
> the back-end graph implementation without affecting the developer's code.
> This is analogous to the way in which JDBC allows users to swap relational
> databases while keeping the same programming interface. TinkerPop also
> brings together OLTP systems (graph databases) and OLAP systems (graph
> processors) by providing a single query language, Gremlin, for executing
> graph algorithms transparently over either type of system.  Finally,
> TinkerPop unifies single-machine systems and distributed systems, presenting
> an identical user experience within the boundaries of the computational
> space and time constraints of the underlying graph system.
>
> E. Initial Goals
>
> The goal of this proposal is to migrate TinkerPop to The Apache Foundation
> to 1.) get more exposure to the project and 2.) legally protect the
> developers and contributors of TinkerPop.
>
> F. Current Status
>
> TinkerPop is planning to release TinkerPop 3.0.0.GA early 2015 -- January or
> February. We would like to release TinkerPop 3.0.0.GA under The Apache
> Foundation.
>
> G. Meritocracy
>
> Anyone is welcome to join TinkerPop as a contributor. If an individual
> provides successful code updates, documentation updates, etc. then they are
> asked to join TinkerPop contributors. Once inside TinkerPop, they are able
> to voice their opinions/thoughts on the direction of the project. Moreover,
> TinkerPop actively seeks vendors who leverage TinkerPop in their offering to
> place a representative on TinkerPop contributors who can speak on behalf of
> their organization as it relates to the requirements of their graph system.
> Every year or so, we list inactive members and request their permission to
> purge them from TinkerPop contributors. In this way, we try and keep the
> TinkerPop contributors to the most active, participating members.
>
> H. Community
>
> There are 25 TinkerPop contributors which, of those, 12 are representatives
> from the various graph system vendors in the market today. The TinkerPop
> mailing list has over 1500+ subscribers with a flow of approximately 10
> emails a day
> (https://groups.google.com/forum/#!forum/gremlin-users).
>
> I. Core developers
>
> The primary developers are Marko A. Rodriguez (http://markorodriguez.com)
> and Stephen Mallette (http://stephen.genoprime.com/). Over the years,
> numerous individuals have come and gone from TinkerPop. Other significant
> contributors include Peter Neubauer, Joshua Shinavier, James Thornton,
> Matthias Bröcheler, Daniel Kuppitz, Bryn Cooke, and others. Note that there
> are numerous individuals that participate in the TinkerPop ecosystem by
> providing language bindings and system implementations. While not
> contributing to the core codebase per se, they support TinkerPop via their
> software and lecture outreach.
>
> J. Alignment
>
> TinkerPop is licensed Apache2. The OLAP reference implementation that
> distributes with TinkerPop is based on Hadoop (http://hadoop.apache.org) and
> Giraph (http://giraph.apache.org). There has been a push from vendors and
> commercial organizations interested in ensuring TinkerPop has the legal
> support of a software foundation. We believe The Apache Foundation to be a
> great home for TinkerPop.
>
> K. Known Risks & Abandoned projects
>
> TinkerPop is currently at TinkerPop 3.0.0.M6. By joining The Apache
> Foundation, there is a significant amount of code and time that has passed
> since TinkerPop's inception. However, we have done our best to secure CLAs
> from contributors and have never gotten into a legal or political issue.
>
> L. Inexperience with Open Source
>
> The primary developers of TinkerPop have been providing TinkerPop source and
> releases open source and in full public view since 2009 via both our GitHub
> repository and our public mailing lists. We pride ourselves in professional
> software, documentation, and aesthetics. With its integration to numerous
> graph systems in the market, TinkerPop is truly a masterpiece in a open
> source technology --- working with both open source and commercial entities
> to ensure a solid, respected project.
>
> M. Homogeneous Developers
>
> The contributors to TinkerPop run the full gamut of software engineering
> expertise. From low-level data serialization to high-level server
> interactions, TinkerPop has contributors able to work at the requisite
> level. The codebase is complex as it deals with numerous area of software
> engineering including: distributed computing, open standards, language
> bindings, query language compilers, OLTP databases, OLAP processors, etc.
> Over the years, we have gathered a significant level of talent and as a
> whole, have all grown as engineers.
>
> N. Reliance on Salaried Developers
>
> TinkerPop is open source and no individual is paid for their contributions
> except for our logo designer. All the logos and documentation graphics are
> released Apache2.
>
> O. Relationships with Other Apache Projects
>
> TinkerPop currently leverages Hadoop, Giraph, and in the near future, will
> integrate with Spark. Internally, the project leverages Maven3, Apache
> Configuration, and Apache Commons.
>
> P. An Excessive Fascination with the Apache Brand
>
> TinkerPop is primarily interested in The Apache Foundation for the legal
> support and protection it can offer our developers and users. Numerous large
> software organizations have urged TinkerPop to join a foundation so that
> they may more easily provide contributors from their organization and
> moreover, maintain confidence in building products atop TinkerPop. With that
> said, TinkerPop does respect The Apache Foundation brand and believes that
> by joining The Apache Foundation, we will further boost the recognition and
> prestige of our product. Finally, note that a TinkerPop book is slated for
> 2015 (http://www.tinkerpopbook.com/). Combining The Apache Foundation and a
> long awaited book should ensure a new uptake of contributors, users, and
> promoters.
>
> Q. Documentation
>
> TinkerPop takes pride in its documentation:
> AsciiDoc: http://www.tinkerpop.com/docs/3.0.0-SNAPSHOT/
> JavaDoc (core): http://www.tinkerpop.com/javadocs/3.0.0-SNAPSHOT/core/
> JavaDoc (full): http://www.tinkerpop.com/javadocs/3.0.0-SNAPSHOT/full/
>
> R. Initial Source
>
> TinkerPop is currently hosted on GitHub.
> https://github.com/tinkerpop/tinkerpop3
>
> S. Source & Intellectual Property Submission Plan
>
> There are no known claims to violations of intellectual property.
>
> T. External Dependencies
>
> TinkerPop relies on open source and commercial vendors. We maintain
> representatives from the various graph system projects on TinkerPop
> contributors. These vendors, in turn, provide TinkerPop adaptors to their
> technology and in fact, some of them provide TinkerPop as the sole interface
> to their system.
>
> U. Cryptography
>
> None.
>
> V. Required Resources
>
> The only resource we see moving forward and if Apache wishes, is to fund our
> logo designer when we need a logo. We currently spend about $500 a year on
> logos. Please look through our documentation to see how much we love giving
> character to our work. If this is not something that Apache can do, then we
> will continue funding the creation of our artwork as we have done in the
> past.
>
> W. Mailing Lists
>
> We currently have 2 mailing lists:
> Gremlin-Users (public user forum):
> https://groups.google.com/forum/#!forum/gremlin-users
> TinkerPop-Contributors (private contributors forum): <private>
>
> X. Subversion Directory
>
> TinkerPop uses GitHub for its source control.
>
> Y. Git Repository
>
> TinkerPop's GitHub account is: https://github.com/tinkerpop/tinkerpop3
>
> Z. Issue Tracking
>
> TinkerPop uses GitHub's issue tracker for tracking issues:
> https://github.com/tinkerpop/tinkerpop3/issues
>
> AA. Initial Committers
>
> TinkerPop's contributors are listed here and all those that provide source
> code commits have signed a CLA.
> http://www.tinkerpop.com/docs/3.0.0.M6/#_graph_developers
>
> BB. Affiliations
>
> None.
>
> CC. Sponsors
>
> IBM (Kelvin Lawrence and Todd Moore) were the primary proponents of pushing
> TinkerPop to join The Apache Foundation. The vendors that support TinkerPop
> are listed here: http://www.tinkerpop.com/docs/3.0.0.M6/#_graph_vendors
>
>
>

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