Thanx Doru.
I am looking now at Visual works and porting missing methods.
regards
Usman
On Fri, Oct 14, 2011 at 8:49 AM, Tudor Girba <tudor(a)tudorgirba.com> wrote:
Hi,
The code is in the Moose-Algos-FormalConceptAnalysis package from the Moose image.
The algorithm is ported, but there are missing extensions for the Integer hierarchy
related to bit logic.
If someone wants to port the rest, just run the below command, and then search for the
methods in the VW version. They should be published as extensions in
Moose-Algos-FormalConceptAnalysis.
MalFormalContext mammals2 computeConcepts
Cheers,
Doru
On 13 Oct 2011, at 19:53, Stéphane Ducasse wrote:
doru
do you know if the library of adrian for FCA has been ported to Pharo?
Stef
Begin forwarded message:
From: Usman Bhatti
<usman.bhatti(a)gmail.com>
Date: October 13, 2011 5:28:18 PM GMT+02:00
To: gabriela.b.arevalo(a)gmail.com
Cc: Stéphane Ducasse <stephane.ducasse(a)inria.fr>fr>, Nicolas Anquetil
<nicolas.anquetil(a)inria.fr>
Subject: looking for a FCA library in Smalltalk
Hello Gabriella,
I am working with Stephane and Marianne on a paper related to FCA patterns. The idea is
to identify a few patterns in FCA lattices that would reduce lattice exploring task to
searching and looking at a few of these patterns. We describe the combination of nodes and
subgraphs in the lattices as patterns. When identifying patterns, we took care of the
following things:
1. the patterns should be generic (i.e. not related to a particular context)
2. the patterns should produce little false-positives (that is the nodes that are not
important in lattices should not appear in candidates for evaluation)..
we presented our paper in wcre 2011 but it got rejected. Now, we are reviewing the paper
to present it in CSMR 2012.
The purpose of the mail is that we are looking for a tool (specifically in Smalltalk)
that would automate the process of patterns identification in FCA. So, I am looking for a
library in FCA that:
- extracts program info from smalltalk (if possible)
- calculates lattices based on program info
- permits to do queries on lattices (top, bottom, a concept with objects, attributes,
etc.)
- find horizontal decomposition and modules in lattices.
Would you have a knowledge of such a library?
If you wish I can send you the paper to have a look at it. There is a tool in Java called
Colibri that allows to do some of these queries on lattices:
http://code.google.com/p/colibri-java/
but its written in Java and I am looking for something in Smalltalk.
thanx in advance,
Usman
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