I will try after squeaksource gets back online :)
Doru
On 21 Oct 2011, at 18:58, Usman Bhatti wrote:
Doru,
Can you remove the package:
Moose-Algo-Lattice
Its an empty package that was created because of my mistake that i missed 's' in
algos.
thanx
On Fri, Oct 21, 2011 at 12:50 PM, Tudor Girba <tudor(a)tudorgirba.com> wrote:
Hi,
On Fri, Oct 21, 2011 at 12:07 PM, Usman Bhatti <usman.bhatti(a)gmail.com> wrote:
On Fri, Oct 21, 2011 at 11:43 AM, Tudor Girba <tudor(a)tudorgirba.com> wrote:
Hi,
On Fri, Oct 21, 2011 at 11:16 AM, Usman Bhatti <usman.bhatti(a)gmail.com> wrote:
On Thu, Oct 20, 2011 at 11:19 AM, Tudor Girba <tudor(a)tudorgirba.com> wrote:
Hi,
On Thu, Oct 20, 2011 at 10:53 AM, Usman Bhatti <usman.bhatti(a)gmail.com> wrote:
Hello Doru,
While porting the VW version of the lattice construction algos, the most adequate
representation for VW data structures was provided by Mondrian so I used it.
Mistakes happen. But, it is important to learn from them :)
Now, I'll place them in Moose-Algos-Graph...
I am not sure what you mean. I did not mean that you should move the Lattice classes in
Moose-Algos-Graph. The Graphs should not depend on FormalConceptAnalysis. I was just
saying that the Lattice is merely a support for creating a graph out of the FCA algorithm.
In the VW version, it was also a visual class, but it does not have to be. It should only
contain the logic of building the graph. Maybe for this purpose you can use the Graph
concepts. The display can be later build using a Mondrian script.
Ok, so I can break lattice drawing into two parts: construction + display.
Yes.
The display part can be moved to mondrian as an extension of FCA. So, that will break the
dependency of FCA with Mondrian.
No. Like I mentioned before, the display should be moved to Moose-MondrianPaintings.
Mondrian is generic, and FCA is generic. They should not know about each other.
Ok. That's a good place for lattice display. Is it normal that I have
Moose-MondrianPaintings-* but there is no Moose-MondrianPaintings package in my image?
At the moment, it is acceptable, but in the near future it won't be :).
The lattice construction algo can be moved into Moose-Algos-Graph: Moose-Algos-Graph
classes can be used to construct lattices instead of MONode. Now, lattice construction is
not a simple graph construction and we need knowledge of concepts to construct a lattice.
So, lattice construction would always depend on the concepts and then there is a
dependency with the package FormalConceptAnalysis. I do not see a way that the lattice
construction can work independent of FormalConceptAnalysis. Can you suggest a possible
workaround for this?
I did not say that it the construction should be independent. I simply said that if
needed you might benefit from the graph support. In any case, the lattice will depend on
FCA. So, either you place the Lattice class in the FCA package, or we create another
package that will depend on FCA and possibly the graph one. The lattice does certainly not
belong in the Graph package.
Ok I want to use MalGraphAlgorithm and MalGraphNode as superclasses for Lattice and
LatticeNode respectively, from Moose-Algos-Graph package.
Exactly.
Now, I think creating a third package would be a better option because that would avoid
the dependency:
FormalConceptAnalysis <-> Moose-Algos-Graph.
Yes.
Should I create a package Moose-Algos-Graph-Lattice or Moose-Algos-Lattice?
Please name it Moose-Algos-Lattice.
If you name it Moose-Algos-Graph-Lattice, then Monticello will think it is a subcategory
of Moose-Algos-Graph, due to implicit naming conventions. Actually, it is this implicit
mechanism that makes it possible to have multiple Moose-MondrianPaintings-* categories and
only one package. However, in Moose we want to keep as much as possible the 1-to-1 mapping
between categories and packages.
Cheers,
Doru
Doru
Ok for the tests. I'll start creating them now.
Please put them in the newly created package (Moose-Tests-Algos-FormalConceptAnalysis).
Doru
I'll commit another version in the evening.
thanx
Usman
On Wed, Oct 19, 2011 at 11:08 PM, Tudor Girba <tudor(a)tudorgirba.com> wrote:
I looked a bit more. The code from Lattice and LatticeNode depends on the logic of
Mondrian. This should best be replaced with code that exists in Moose-Algos-Graph.
In the meantime I also created the Moose-Tests-Algos-FormalConceptAnalysis package and
added it to the configuration.
Cheers,
Doru
On 19 Oct 2011, at 22:36, Tudor Girba wrote:
Hi Usman,
Please read this email. You just committed another version that broke the build :)
I fixed it again.
Cheers,
Doru
Begin forwarded message:
From: Tudor Girba <tudor(a)tudorgirba.com>
Subject: fca should not depend on mondrian
Date: 19 October 2011 21:23:09 CEST
To: Moose-dev Moose Dev <moose-dev(a)iam.unibe.ch>
Hi Usman,
I saw that you added the port code to the MooseAlgos repo. Thanks.
Now, during your changes, you inherited the Lattice and the Node from MONode.
This caused Moose to be unloadable and it is wrong from two points of view:
1. MONode is not meant to be inherited at all. You are supposed to use Mondrian as a
transformation from your domain into the internal Mondrian model.
2. MooseAlgos is a basic set of algorithms with no dependencies. Mondrian is higher
level. Thus, MooseAlgos cannot depend on Mondrian.
For these reasons, I now removed the inheritance from MONode.
Furthermore, we also need tests for FCA.
Cheers,
Doru
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