[Xapian-devel] Questions on letor module

Jia Xu dolremi at gmail.com
Tue Mar 4 23:04:52 GMT 2014

Thank you Olly, now I understand the current status of the code.

On Tue, Mar 4, 2014 at 4:13 AM, Olly Betts <olly at survex.com> wrote:

> On Mon, Mar 03, 2014 at 10:00:16PM -0800, Jia Xu wrote:
> > For the source code
> >
> https://github.com/rishabhmehrotra/xapian/tree/397034af42c9b1998730160176d219d6f8f38b25/xapian-letor
> ,
> > the last update is about 2 years ago, is that the latest version of the
> > code? For several files such as ranker.cc, evalmetric.cc, there is no
> > implementations of functions, I don't know if they have been implemented
> > somewhere in the module(as far as I read through the source code, I
> didn't
> > see any).
> I believe that is the latest code.  The student working on the project
> in 2012 dropped out (it turned out he was trying to do an internship as
> well as GSoC, which really isn't a good idea) so things may not be in a
> very polished state.
> Your other questions all sound like good ones, but I don't really know
> the answers.  Parth implemented the original letor code in 2011, and was
> the mentoring the 2012 project most actively, plus he's more up on the
> theoretical side, so hopefully he can answer these questions.
> Cheers,
>     Olly

Jia Xu
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