[ECODP-dev] documentation of the CKAN model

[Bert Van Nuffelen]

Hi John,

yes, this kind of documentation is what I (and PO) am looking for.

thanks for providing it,

Bert


2013/10/14 John Glover <john.glover at okfn.org>

> Hi Bert,
>
> Yes, there are quite a few differences. We did not make any changes to the
> internal CKAN model for this project. So for example some fields that
> appear to be top-level dataset attributes in EUODP are actually stored in
> CKAN's package extras table, and are automatically converted to and from
> this table so that they meet the desired schema.
>
> So you want this to map to database tables? Some fields will be columns in
> dataset or resource tables, others will be rows in separate tables
> (referenced by ID).
>
> Regards,
> John
>
>
> On 14 October 2013 11:01, Bert Van Nuffelen <
> bert.van.nuffelen at tenforce.com> wrote:
>
>> Hi John,
>>
>> Are there differences between them?
>>
>> As I am only working with the api, I am not aware if there is difference
>> internally and in the db.
>> With 'CKAN field in DB'  my intension was to document which field/column
>> in a table contains that info.
>>
>> kind regards,
>>
>> Bert
>>
>>
>>
>> 2013/10/14 John Glover <john.glover at okfn.org>
>>
>>> Hi Bert,
>>>
>>> I am updating this document now. Just to clarify, is 'CKAN field in DB'
>>> the name of the field in the CKAN application (so API, etc) or where this
>>> is stored in the actual database?
>>>
>>> I will provide a mapping of CKAN fields to Solr fields separately.
>>>
>>> Regards,
>>> John
>>>
>>>
>>> On 9 October 2013 14:15, Bert Van Nuffelen <
>>> bert.van.nuffelen at tenforce.com> wrote:
>>>
>>>> Hi John and Darwin,
>>>>
>>>> attached you find the mapping from the RDF model to the CKAN model used
>>>> by RDF2CKAN.
>>>>
>>>> I would like you to complete the next columns:
>>>>
>>>> * CKAN value definition
>>>>   The value restrictions imposed by CKAN on that field
>>>> * CKAN field in DB
>>>>   The name of the field in CKAN.
>>>>
>>>> I also looked into the SOLR scheme you pointed to in a previous email.
>>>>
>>>>
>>>> https://github.com/okfn/ckanext-ecportal/blob/master/ckanext/ecportal/solr/schema.xml
>>>>
>>>> This provides the actual implementation state, but it does not provide
>>>> insight w.r.t. the EU ODP setup. What I wonder is if all these fields are
>>>> relevant: e.g.
>>>>
>>>> <field name="depends_on" type="text" indexed="true" stored="false"
>>>> multiValued="true"/>
>>>>     <field name="dependency_of" type="text" indexed="true" stored=
>>>> "false" multiValued="true"/>
>>>>     <field name="derives_from" type="text" indexed="true" stored=
>>>> "false" multiValued="true"/>
>>>>     <field name="has_derivation" type="text" indexed="true" stored=
>>>> "false" multiValued="true"/>
>>>>     <field name="links_to" type="text" indexed="true" stored="false"
>>>> multiValued="true"/>
>>>>     <field name="linked_from" type="text" indexed="true" stored="false"
>>>> multiValued="true"/>
>>>>
>>>> Also how the Field Name maps to the ckan json fields.
>>>> E.g.
>>>>  <field name="author" type="textgen" indexed="true" stored="true" />
>>>>     <field name="author_email" type="textgen" indexed="true" stored=
>>>> "true" />
>>>>
>>>> In none of the json that we use the word "author" is mentioned.
>>>>
>>>>
>>>> Can you provide documentation on this?
>>>>
>>>> thanks,
>>>>
>>>> Bert
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Bert Van Nuffelen
>>>>
>>>> Semantic Technologies Software Architect at TenForce
>>>> www.tenforce.be
>>>>
>>>> Bert.Van.Nuffelen at tenforce.com
>>>> Office: +32 (0)16 31 48 60
>>>> Mobile:+32 479 06 24 26
>>>> skype: bert.van.nuffelen
>>>>
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>>>>
>>>>
>>>
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>>>
>>
>>
>> --
>> Bert Van Nuffelen
>>
>> Semantic Technologies Software Architect at TenForce
>> www.tenforce.be
>>
>> Bert.Van.Nuffelen at tenforce.com
>> Office: +32 (0)16 31 48 60
>> Mobile:+32 479 06 24 26
>> skype: bert.van.nuffelen
>>
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>> Ecodp-dev mailing list
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>> http://lists.okfn.org/mailman/listinfo/ecodp-dev
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>>
>
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>


-- 
Bert Van Nuffelen

Semantic Technologies Software Architect at TenForce
www.tenforce.be

Bert.Van.Nuffelen at tenforce.com
Office: +32 (0)16 31 48 60
Mobile:+32 479 06 24 26
skype: bert.van.nuffelen
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