On Fri, Feb 22, 2019 at 11:05 AM Johannes Castner <[email protected]> wrote:

> Hi Linas,
>
>
> Scheme and python already share the same atomspace. However, when you did
>> the following in python:
>>
>> atomspace = AtomSpace()
>> initialize_opencog(atomspace)
>>
>> you created a new, different atomspace that is not shared.  These two
>> steps are not needed.  There are also other ways of working with multiple
>> atomspaces and passing them between scheme and python, but simply skipping
>> the above is just the simplest.
>>
>>
> But scheme_eval needs an atomspace in the first position:
> scheme_eval(atomspace, schemecode_string)
>
> What do I put into the first argument of this function if not a brand new
> Atomspace?
>

 from opencog.type_constructors import atomspace

The variable atomspace has already been initialized to be the atomspace
that scheme is using. -- Its a global variable.  When you say `atomspace =
AtomSpace()` you are clobbering the previous value of this global variable.

-- Linas


> Johannes
>
>
>> On Thursday, February 21, 2019 at 5:38:04 PM UTC, linas wrote:
>>>
>>> Johannes,
>>>
>>> Data formats never exist outside of what you want to do with it.
>>> Consider a question-answering system hooked to ConceptNet. You ask, "what
>>> is an instrument?" and it says "thermometer, violin". Two things have to
>>> happen here: first you have to analyze the English-language sentence to
>>> figure out what the question actually is, and then you have to convert the
>>> question into query that matches the format of your data.  If your data is
>>> a table, then the query is very different than if your data is a tree ...
>>> and different if its a directed acyclic graph (DAG) .. or a non-directed
>>> graph, with cycles, with or without labels, ... whatever. Each one requires
>>> a different query.
>>>
>>> I can ask ConceptNet "what is an instrument?" because ConceptNet knows
>>> about "words" and "concepts". But that question makes no sense for a genome
>>> database.
>>>
>>> The above is just for question-answering. If you want to do somethin1g
>>> else: reasoning, or statistics gathering, then .. all-change. Sometimes
>>> tables are better, sometimes DAG's are better.  Formats matter, they have
>>> to fit with what you're doing. There's no one ring to rule them all.
>>>
>>> --linas
>>>
>>>
>>> On Thu, Feb 21, 2019 at 7:13 AM Johannes Castner <[email protected]>
>>> wrote:
>>>
>>>> Well, so I'd like to be able to merge JSON-LD ontologies with obo
>>>> ontologies and owl ontologies, just the way that pronto does for owl and
>>>> obo (here's my branch of pronto where I've already began building some JSON
>>>> tools: https://github.com/jac2130/pronto).  Ultimately, I think that
>>>> loading in, merging and converting between ontology formats might be a
>>>> common enough activity and one that getting right is worth the effort, so
>>>> that it is worth the effort in having one tool that can load and convert
>>>> any ontology and then also one code that loads ontological information in
>>>> the most correct way possible into the AtomSpace.  It makes no sense to me
>>>> why there is one tool to load some genome ontology and another one to load
>>>> in ConceptNet--there should be one tool for loading various formats into
>>>> the AtomSpace and also that converts output from the opencog system back to
>>>> those common formats (in particular, JSON-LD), so that it can be used in
>>>> the usual way by other applications.  The other thing that seems
>>>> sub-optimal with this code is that it loads the CSV version rather than
>>>> engaging with the JSON-LD data directly.  Doing the latter would allow
>>>> effortlessly merging other JSON-LD data with ConceptNet and adding all of
>>>> that into the AtomSpace in a consistent way that can be improved and
>>>> interrogated in a clean way such that it applies to all ontologies in a
>>>> uniform way.  I'll be working on such code, lest you think it is a waste of
>>>> time?
>>>>
>>>> johannes
>>>>
>>>> On Thursday, February 21, 2019 at 3:59:43 AM UTC, amebel@hr wrote:
>>>>>
>>>>> Hi Johannes*,*
>>>>>
>>>>> The script is found at
>>>>> https://github.com/opencog/external-tools/tree/master/cnet_importer
>>>>>
>>>>> On Thursday, February 21, 2019 at 12:45:22 AM UTC+8, Ben Goertzel
>>>>> wrote:
>>>>>>
>>>>>> We already have code that imports ConceptNet into Atomspace.
>>>>>>
>>>>>> Amen has worked with it...
>>>>>>
>>>>>> On Thu, Feb 21, 2019 at 12:43 AM Linas Vepstas <[email protected]>
>>>>>> wrote:
>>>>>> >
>>>>>> > I think that, for starters, importing the concept-net data into the
>>>>>> atomspace would be a good start.
>>>>>> >
>>>>>> > This would be a multi-step process:
>>>>>> > 1) import it any-old-how
>>>>>> > 2) import it such that the format is compatible with the existing
>>>>>> nlp subsystem
>>>>>> > 3) build some rudimentary question-answering system (on that can
>>>>>> only answer 1 or 2 or 3 question types, from the imported data
>>>>>> > 4) see if you can do anything whizzy with PLN
>>>>>> >
>>>>>> > I think I ordered this in terms of difficulty/complexity.  I think
>>>>>> I would be very interested in looking at, overseeing, advising steps 
>>>>>> 2,3...
>>>>>> >
>>>>>> > --linas
>>>>>> >
>>>>>> > On Wed, Feb 20, 2019 at 6:25 AM Johannes Castner <[email protected]>
>>>>>> wrote:
>>>>>> >>
>>>>>> >> Hi everyone,
>>>>>> >>
>>>>>> >> I think I might want to try to improve on the solution below using
>>>>>> opencog in some way.  In particular, maybe the solution could be improved
>>>>>> by first inferring some connections between ideas that are not 
>>>>>> represented
>>>>>> in ConceptNet, from the ConceptNet data -- things that are likely also 
>>>>>> true
>>>>>> but that are not expressed and then doing the embeddings on the more
>>>>>> complete graph.  Any thoughts?  How does one get to more metaphorical and
>>>>>> less explicit knowledge?  I find this endlessly fascinating!
>>>>>> >>
>>>>>> >>
>>>>>> http://blog.conceptnet.io/posts/2016/conceptnet-5-5-and-conceptnet-io/
>>>>>> >>
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>>>>>>
>>>>>> >> For more options, visit https://groups.google.com/d/optout.
>>>>>> >
>>>>>> >
>>>>>> >
>>>>>> > --
>>>>>> > cassette tapes - analog TV - film cameras - you
>>>>>> >
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>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Ben Goertzel, PhD
>>>>>> http://goertzel.org
>>>>>>
>>>>>> "Listen: This world is the lunatic's sphere,  /  Don't always agree
>>>>>> it's real.  /  Even with my feet upon it / And the postman knowing my
>>>>>> door / My address is somewhere else." -- Hafiz
>>>>>>
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>>>
>>>
>>> --
>>> cassette tapes - analog TV - film cameras - you
>>>
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>>
>>
>> --
>> cassette tapes - analog TV - film cameras - you
>>
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-- 
cassette tapes - analog TV - film cameras - you

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