Displaying 20 results from an estimated 6000 matches similar to: "Weighting Schemes"
2011 Mar 19
1
GSOC 2011 : Weighting Schemes
Hi All,
I'm Sumith, a postgraduate student in Monash university. I'm working in the
area of Text weighting schemes and Text Mining. When I'm going through the
GSOC project list, I felt interested in the 'Weighting Schemes' project. At
the moment, I have worked with different weighting schemes as TF-IDF and
would love to join and contribute with my ideas in this project.
2013 Mar 11
1
Implementation of the PL2 weighting scheme of the DFR Framework
Hello guys.I am working on implementing the PL2 weighting scheme of the DFR
framework by Gianni Amati.
It uses the Poisson approximation of the Binomial as the probabilistic
model (P), the Laplace law of succession to calculate the after effect of
sampling or the risk gain (L) and within document frequency normalization
H2(2) (as proposed by Amati in his PHD thesis).
The formula for w(t,d) in
2014 Mar 03
2
Project: Weighting Schemes
Hello Sir,
I am Reetesh Ranjan, a 3rd year undergraduate student at the *INDIAN
INSTITUTE OF TECHNOLOGY BHU, Varanasi-*one of the premier engineering
colleges of India.
I have gone through your webpage thoroughly and I am very interested in the
work that you are undertaking on *Project: Weighting Schemes.*. I earnestly
wish to work under your guidance, learn and progress through this
experience.
2015 Mar 02
1
GSoC 2015 - Weighting Schemes
Hello everyone!
I'm Ayush Tomar, junior undergrad in Computer Science from New Delhi,
India. I love C++ coding and working on machine learning and information
retrieval project. I was exploring the GSoC ideas for Xapian and the
project on "Adding Weighting Schemes" looked really interesting to me. I
wanted to work on text mining/IR this summer and this idea seems perfect!
I have
2017 Mar 05
3
GSoc 2017 Introduction(Weighting Schemes)
Hello Everyone,
I am a second year graduate student at IIIT-Bangalore and my interest is in
the field of Information Retrieval. I have successfully compiled Xapian
from source and have implemented some examples. While going through the
project list Weighting Schemes project is the one I was looking to
contribute to. So i went through the xapian-core/weight where most of the
schemes are already
2016 Jul 24
2
Weighting Schemes: Evaluation results
Hi all,
I have evaluated new weighting schemes along with their existing
counterparts in Xapian to compare and see which one does better job.
Also, I have put together all the results files for easy access here:
https://github.com/ivmarkp/xapian-evaluation/tree/evaluation/run
and a README for getting started with xapian-evaluation module. Hopefully,
it might be of help to those who are new to
2016 May 03
0
Weighting recent results
On Tue, May 03, 2016 at 07:56:19AM -0400, Alex Aminoff wrote:
> Perhaps I am not understanding the basic concept, but I was figuring
> we would just write a subclass of PostingSource in C++ that does
> what we want, and not bother with the perl bindings. Is that not
> possible? I realize that ideally we would develop the general
> solution and share our code out to the community,
2016 May 16
2
Weighting recent results
I was thinking about this some more: Is there a reason I can't just
weight by some function of recency at indexing time?
$weight = get_weight_based_on_recency(...);
$tg->index_text($txt,$weight);
If I wanted to allow the user the option of searching either in
recency-weighted mode or not, I could index each document into 2
different databases, one with and one without.
This avoids
2017 Apr 08
2
Omega: Missing support for newer weighting schemes
> Hi, Vivek — there isn't any particular reason that I'm aware of. It's
> probably worth pointing (in the omegascript documentation) to the part of
> the getting started guide which talks about the different weighting schemes
If there isn't any reason then I'd like to send in a patch adding support for
those weighting schemes in weight.cc and I agree omegascript
2016 Jun 10
2
Weighting Schemes -- Project Progress
Hello everyone,
I have been working on adding support for BM25+ weighting function from the
last couple of weeks. Initially, I considered modifying bm25weight.cc to
add support for BM25+ function without disturbing functionalities of BM25.
But that didn't work out very well. A day or two was spent trying to
refactor and debug the same code.
Later, I took another approach following the
2016 Jul 27
2
Weighting Schemes: Implementing Piv+ Normalization
Hi,
I have added support for Piv normalization in Tf-Idf weighting scheme as a
intermediate step to implementing the support for Piv+ normalization. All
tests pass.
But I'm running into some issues with Piv+ normalization. In the Piv+
formula , there are two parameters (s and delta) that control the weight
assigned. I think the way I'm serialising and unserialising these
parameters has
2017 Apr 08
2
Omega: Missing support for newer weighting schemes
On Sat, Apr 08, 2017 at 09:11:22PM +0100, James Aylett wrote:
> On 8 Apr 2017, at 19:15, Vivek Pal <vivekpal.dtu at gmail.com> wrote:
>
> >> and the details of which weighting schemes were available in which version
> >> isn't a key part of the $set command itself.
> >
> > Do you suggest dropping that piece of information out? Since the reason behind
2017 Apr 08
2
Omega: Missing support for newer weighting schemes
Hi,
In my explorations of Omega codebase, I have found that Omega is currently
missing support for newer weighting schemes added in 1.4.1 (BM25+, PL2+,
Dir+). I'd submit a PR addressing that but as I think I might be missing
something so just wanted to check if there's a particular reason for that?
P.S. Finally back after a long week. Been eagerly waiting for a weekend since
the
2017 Apr 13
2
Omega: Missing support for newer weighting schemes
On Mon, Apr 10, 2017 at 11:47:36PM +0530, Vivek Pal wrote:
> > No, use Xapian::Registry to find the weighting scheme from the name
> > like how Weight::unserialise() does (otherwise every caller would need
> > code similar to that above).
>
> Okay, I looked into Xapian::Registry and it seems you are referring to using
> the get_weighting_scheme method? (which expects a
2011 Mar 22
1
GSOC 2011 : Weighting Schemes and Matcher Optimisations
Hello,
My name is Santiago Pina and I am currently studying two BSc(Hon)
simultaneously ; one in Computer Science and the other in Mathematics as
part of a pilot project at Universidad de Murcia. I am very excited to
contribute in open source community through the platform of Google Summer of
Code 2011. I was interested in the Weighting Schemes project and in the
Matcher Optimisations project,
2016 May 08
2
GSoC: Weighting Schemes
Hi James,
Thanks for clearing doubts I had earlier.
>>if we can introduce the variants using optional parameters that default to
>>(effectively) 'off' that might be better than distinct ones,
Yes, this will definitely be the better approach for introducing the
variants of existing weighting functions.
Thanks for the suggestion.
Next, I will try to come up with a draft of
2012 Apr 02
0
GSoC, Xapian Project Weighting Schemes
Hello all,
I am very sorry I did not include xapian-devel mailing list in my previous mail.
Thanks for responding my mail.
Mohd Azeem
NIT UK
________________________________
From: Olly Betts <olly at survex.com>
To: Mohd Azeem <azeem201001 at yahoo.in>
Cc: Parth Gupta <parthg.88 at gmail.com>
Sent: Saturday, 31 March 2012 11:40 AM
Subject: Re: GSoC, Xapian Project Weighting
2012 Apr 04
0
Proposal_ "Project weighting schemes"
Hello,
I have submitted my proposal for "Weighting Schemes" . if you get some time
to read my proposal, I will appreciate your suggestions about it.
Proposal link:
http://www.google-melange.com/gsoc/proposal/review/google/gsoc2012/azeembt10cse/1
Thank you
with Regards,
Mohd Azeem
NIT Uttarakhand
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2012 Apr 05
0
[GSoC] proposal "project weighting schemes"
Hello,
I have updated my proposal for "project weighting schemes", If you get some time to read my proposal, I will appreciate your suggestions about it.
proposal link: http://www.google-melange.com/gsoc/proposal/review/google/gsoc2012/azeembt10cse/1
Thank you
with regards,
Mohd Azeem
NIT Uttarakhand
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2011 Mar 28
2
GSoC 2011 Weighting Schemes
Hi, guys
I am Wenjin from Graduate School of Chinese Academy of Science, pursing a
master degree and my current research interests including using Data mining
and Information retrieve technology to analysis software engineering (SE)
data and support SE.
I have great interested in "Weight Schemes" project. and in the last few
days I have learnt some detail about DFR model family by