<div dir="ltr"><div><div><div><div><div>Hi Hanxiao Sun,<br><br></div>First of all welcome aboard and congratulations. Yes, your project, as we agreed during the discussion, will focus on algorithms of learning to rank.<br>
<br></div>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).<br>
<br></div>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.<br>
<br></div>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).<br>
<br></div><div>Finally, you should also create and actively maintain your project page as previous years <a href="http://trac.xapian.org/wiki/GSoC2011">http://trac.xapian.org/wiki/GSoC2011</a> and <a href="http://trac.xapian.org/wiki/GSoC2012">http://trac.xapian.org/wiki/GSoC2012</a> with ideas, theory and as much details as you want/can!<br>
<br></div><div>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!<br>
<br></div><div>Cheers,<br></div><div>Parth.<br></div><div><br></div><div>Cheers,<br></div><div>Parth.<br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Apr 24, 2014 at 8:52 PM, 孙晗晓 <span dir="ltr"><<a href="mailto:sunhanxiaoisme@gmail.com" target="_blank">sunhanxiaoisme@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Dear all,</div><div><br></div><div>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 !</div>
<div><br></div><div>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. </div>
<div><br></div><div>Thank you again for this hard-earned chance. There will be much knowledge I need to learn in this</div><div>summer and any suggestion is appreciated.</div><div><br></div><div>Cheers!</div><span class="HOEnZb"><font color="#888888">-- <br>
<div dir="ltr">
<div><font face="simhei, sans-serif"><span style="font-size:12px;line-height:18px">孙晗晓(Hanxiao Sun)</span></font></div>
<div><span style="background-color:transparent;font-size:12px;line-height:18px"><font face="simhei, sans-serif">Master </font></span><span style="background-color:transparent;font-size:12px;line-height:18px"><font face="simhei, sans-serif">Student </font></span><span style="background-color:transparent;font-size:12px;line-height:18px"><font face="simhei, sans-serif">of </font></span><span style="font-family:simhei,sans-serif;font-size:12px;line-height:18px">Computer Science</span><span style="background-color:transparent;font-size:12px;line-height:18px"><font face="simhei, sans-serif"> at Institute of Computing Technology,Chinese Academy of Sciences(ICT) </font></span>
</div><div style="line-height:18px;font-size:12px"><font face="simhei, sans-serif">Email：<a href="mailto:Email%3Asunhanxiaoisme@gmail.com" target="_blank">sunhanxiaoisme@gmail.com</a> </font></div>
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