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From Abhishek Verma <vermaabhish...@gmail.com>
Subject Re: SCALING GENETIC ALGORITHMS USING MAPREDUCE
Date Tue, 19 Jan 2010 23:00:02 GMT
Apologies for spamming everybody.

-Abhishek.

On Tue, Jan 19, 2010 at 4:58 PM, Abhishek Verma <vermaabhishekp@gmail.com>wrote:

> Hi Alberto,
>
> If you need it, I can send you the source code that I used for the paper I
> wrote. Do you have any conference in mind for this idea?
>
> Thanks,
> -Abhishek.
>
>
> On Sat, Jan 16, 2010 at 4:48 AM, Alberto Luengo Cabanillas <
> cabiwan@gmail.com> wrote:
>
>> Hi Abhishek Verma. Your help would be very appreciated. I´ll try to
>> implement your suggestions and feed them back if successful.
>> Regards.
>>
>> 2010/1/14 Abhishek Verma <vermaabhishekp@gmail.com>
>>
>> > Hi Alberto,
>> >
>> > The paper considers only selecto-recombinative genetic algorithms as
>> > mentioned in Section III.A. The mutation operators could be done on the
>> > reduce  after the crossover or before it as required. Elitism can be
>> > implemented by emitting the individual with a different value in the map
>> > and
>> > then directly writing it to context in the reduce.
>> >
>> > If you are up for it, we could collaborate together to work on your
>> > problem.
>> >
>> > Hope this helps.
>> > -Abhishek.
>> >
>> > On Wed, Jan 13, 2010 at 5:36 PM, Alberto Luengo Cabanillas <
>> > cabiwan@gmail.com> wrote:
>> >
>> > > Hi everyone! For the last six months. my work with Hadoop is being
>> > focused
>> > > in developing a stable MRPGA. Last paper I read ("Scaling Genetic
>> > > Algorithms
>> > > Using MapReduce") was a fantastic job and gave me a bunch of ideas;
>> but I
>> > > have some questions relative to this paper and I think they may be
>> useful
>> > > for community:
>> > >
>> > > Anywhere in the paper talks about elitism rate nor mutation rate. It
>> only
>> > > talks about selection and crossover. In fact, this part (page 3 and
>> so)
>> > > talks about an INDIVIDUALREPRESENTATION(key) function, which I suppose
>> is
>> > > used to represent the key part of the par (i.e., if it is Text, its
>> > > representation is a String). Also there are TOURN(tournArray) (?) and
>> > > CROSSOVER(crossArray), which I think is related to mutation.
>> > >
>> > > How it is supposed to be implemented the mutation part in the
>> process?.
>> > > Have
>> > > you considered some kind of elitism rate for chossing population?.
>> > >
>> > > Thanks a lot in advance.
>> > >
>> > >
>> > > --
>> > > Alberto
>> > >
>> >
>>
>>
>>
>> --
>> Alberto
>>
>
>

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