[Xapian-devel] Need someone to help me adjust my gsoc proposal

[Parth Gupta]

Hi Hanxiao,

The ones from the MSRA group are nice enough to give you a good start about
Learning-to-Rank. But for your module the best thing possible is the
original paper of the algorithm.

Cheers,
Parth.


On Sun, May 4, 2014 at 4:44 PM, Hanxiao Sun <sunhanxiaoisme at gmail.com>wrote:

> Thank you Parth! I am back from my trip.
>
> I have moved the project plan from the melange to my project page(
> http://trac.xapian.org/wiki/GSoC2014/Learning%20to%20Rank%20Hanxiao%20Sun/Project%20plan). The k-folds part seems more likely to be part of general framework
> module, so I didn't add it.
>
> Could you please recommend some nice tutorials about my module for me?
> Although I have read several ones from MSRA, it still be helpful.
>
> Many thanks!
> Hanxiao
>
>
> 2014-04-25 3:10 GMT+08:00 Parth Gupta <pargup8 at gmail.com>:
>
> Hi Hanxiao Sun,
>>
>> First of all welcome aboard and congratulations. Yes, your project, as we
>> agreed during the discussion, will focus on algorithms of learning to rank.
>>
>> Main idea is to check the existing algorithms and add a few more. Mostly
>> you will be working on the ranker.cc part and its subclasses. You will need
>> to add the neural network part for the listmle and listnet (probably
>> ranknet as well).
>>
>> We also have another student (Jiarong Wei) for Letor project who will
>> mainly take care of the API, test cases, feature selection algorithms and
>> general framework. We should get resolved the common part you are going to
>> touch. The evaluation part fits more naturally to your module.
>>
>> It would be fantastic during this community bonding period if we can
>> decide upon the intersection of both projects. Also on your part, you
>> should get familiarise yourself with the theory behind the algorithms you
>> are going to implement (There are a couple of very nice tutorial on
>> learning to rank) also the algorithm paper is the best source. You can also
>> have a look at the reference implementation (if available) for the
>> algorithms. It would also be very nice if you keep in mind the efficiency
>> part (try to parallelize).
>>
>> Finally, you should also create and actively maintain your project page
>> as previous years http://trac.xapian.org/wiki/GSoC2011 and
>> http://trac.xapian.org/wiki/GSoC2012 with ideas, theory and as much
>> details as you want/can!
>>
>> This year we will mentor as a group so although you might have a assigned
>> mentor but you should ask your questions on IRC and/mailing list and one of
>> us (who is readily available and can help) would help you out!
>>
>> Cheers,
>> Parth.
>>
>> Cheers,
>> Parth.
>>
>>
>> On Thu, Apr 24, 2014 at 8:52 PM, 孙晗晓 <sunhanxiaoisme at gmail.com> wrote:
>>
>>> Dear all,
>>>
>>> My name is Hanxiao Sun and I am a master student in the University of
>>> Chinese Academy of Sciences. I am so glad to be selected by Xapian as the
>>> GSoC student. This is my first time to work with open source community. I
>>> hope I can do a good job with you in this summer !
>>>
>>> In my proposal, I followed the scope of the LTR project on the ideas
>>> page. But, after the interview, it seems to need adjustment before I can
>>> work more deeply. So, I hope someone can help me to hammer it out. Besides,
>>> I will have a five-day trip at the end of the month. If I couldn't make
>>> some progress before I leave, I could only do it later.
>>>
>>> Thank you again for this hard-earned chance. There will be much
>>> knowledge I need to learn in this
>>> summer and any suggestion is appreciated.
>>>
>>> Cheers!
>>> --
>>>  孙晗晓(Hanxiao Sun)
>>> Master Student of Computer Science at Institute of Computing
>>> Technology,Chinese Academy of Sciences(ICT)
>>> Email：sunhanxiaoisme at gmail.com <Email%3Asunhanxiaoisme at gmail.com>
>>> Mobile: (86)186-0025-6936
>>>
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>>
>
>
> --
> 孙晗晓(Hansel Sun)
> Master Student of Computer Science at Institute of Computing
> Technology,Chinese Academy of Sciences(ICT)
> Email：sunhanxiaoisme at gmail.com <Email%3Asunhanxiaoisme at gmail.com>
> Mobile: (86)186-0025-6936
>
> ------------------------------
> This email (including any attachments) is confidential and may be legally
> privileged. If you received this email in error, please delete it
> immediately and do not copy it or use it for any purpose or disclose its
> contents to any other person. Thank you.
>
>
> 本电邮(包括任何附件)可能含有机密资料并受法律保护。如您不是正确的收件人，请您立即删除本邮件。请不要将本电邮进行复制并用作任何其他用途、或透露本邮件之内容。谢谢。
>
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