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From Varun Gupta <thevarungu...@gmail.com>
Subject Re: Angrapa - The Graph Package
Date Wed, 30 Sep 2009 10:43:22 GMT
It would be helpful for us to know more about BSP model.
>
> http://groups.csail.mit.edu/cag/bayanihan/papers/javapdc99/html/node2.html
>
> Thanks Edward. We should maintain these references on the Wiki page as
well.


>  On Wed, Sep 30, 2009 at 4:18 PM, Hyunsik Choi <hyunsik.choi@gmail.com>
> wrote:
> > Dear Vaijanath N. RAo,
> >
> > Actually, most ideas of the graph package (angrapa) are still rough. Now,
> > this page (http://wiki.apache.org/hadoop/Hamburg) is only document, but
> we
> > will make better documents for angrapa sooner.
> > In this post, I want to try to give you more information. Current state
> of
> > angrapa is as follows. As you know, angrapa will be based on bulk
> > synchronous parallel (BSP). The key concept that we exploit for graph
> > computation is to communicate necessary data while preserving locality of
> > graph data. Therefore, we started with developing the bsp library. We
> > intended that we will design angrapa after we develop the alpha version
> of
> > bsp library. If we can have more contributors, however, we can start to
> > develop the angrapa core package after we only design interfaces of bsp.
> >
> > --
> > Hyunsik Choi
> > Database & Information Systems Group, Korea University
> > http://diveintodata.org
> >
> >
> > On Wed, Sep 30, 2009 at 3:40 PM, Vaijanath N. RAo <vaiju1981@gmail.com
> >wrote:
> >
> >> Hi Varun and Hyunsik,
> >>
> >> Can we atleast try to make a study and see what all Interfaces we need
> to
> >> support for Angrapa. That will be useful in making the interfaces clean
> and
> >> well documented.
> >>
> >> --Thanks and Regards
> >> Vaijanath N. Rao
> >> ----- Original Message -----
> >> From: "Hyunsik Choi" <hyunsik.choi@gmail.com>
> >> To: hama-dev@incubator.apache.org
> >> Sent: Wednesday, September 30, 2009 12:09:25 PM GMT +05:30 Chennai,
> >> Kolkata, Mumbai, New Delhi
> >> Subject: Re: Angrapa - The Graph Package
> >>
> >> Dear Varun Gupta,,
> >> Actually, I did not try to find out some existing graph library
> >> appropriated
> >> to Angrapa because I didn't think that existing graph library can be
> ported
> >> to distributed systems, especially bsp. However, I really welcome to you
> >> and
> >> your achieves if you can contribute some base classes for graphs.
> >>
> >> Best Regards,
> >> --
> >> Hyunsik Choi
> >> Database & Information Systems Group, Korea University
> >> http://diveintodata.org
> >>
> >>
> >> On Wed, Sep 30, 2009 at 3:13 PM, Varun Gupta <thevarungupta@gmail.com
> >> >wrote:
> >>
> >> > I can take up work on Angrapa and therefore would like know if you
> guys
> >> > have
> >> > explored existing Graph libraries to have a threshold to build on.
> >> >
> >> > If we are up to creating our own base classes (basic graph class and
> >> > likes),
> >> > I will start by creating JIRA tasks and and then submitting code.
> >> >
> >> > I Remain,
> >> > Varun Gupta
> >> >
> >>
> >
>
>
>
> --
> Best Regards, Edward J. Yoon @ NHN, corp.
> edwardyoon@apache.org
> http://blog.udanax.org
>

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