public:using_the_rdf_endpoints_to_pull_data_from_ckan
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public:using_the_rdf_endpoints_to_pull_data_from_ckan [2016/05/04 14:54] acorbi |
public:using_the_rdf_endpoints_to_pull_data_from_ckan [2020/01/14 16:12] admin Added fields from https://docs.google.com/spreadsheets/d/1KbUbH4KOgqtkcR5AGpbcl362GeR3zt2MX8AcL-bE_2g/edit#gid=230201128 |
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| ===== Who is this guide for ===== | ===== Who is this guide for ===== | ||
| - | * Developers willing to access data in OLD formats | + | * Developers willing to access data in LOD formats |
| * Partners willing to integrate ODM data into their platforms | * Partners willing to integrate ODM data into their platforms | ||
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| * How to call the catalog endpoint to obtain a list of datasets | * How to call the catalog endpoint to obtain a list of datasets | ||
| - | * How to get a particular dataset in various OLD formats | + | * How to get a particular dataset in various LOD formats |
| ===== Things to know in forehand ===== | ===== Things to know in forehand ===== | ||
| - | ==== What is Open Linked Data (OLD) and what is the difference from Open Data ==== | + | ==== What is Linked Open Data (LOD) and what is the difference from Open Data ==== |
| Quoted from [[http://linkeddata.org|linkeddata.org]]: | Quoted from [[http://linkeddata.org|linkeddata.org]]: | ||
| Line 100: | Line 100: | ||
| http://data.opendevelopmentmekong.net/catalog.xml?modified_since=2015-07-24 | http://data.opendevelopmentmekong.net/catalog.xml?modified_since=2015-07-24 | ||
| + | ===== Metadata terms being used ===== | ||
| + | |||
| + | ==== Datasets ==== | ||
| + | |||
| + | ^ Metadata field name ^ ODM Ckan internal id ^ Standard term ^ Standard term uri ^ | ||
| + | | Title | title_translated | dcterms:title | http://purl.org/dc/terms/title | | ||
| + | | Description | notes_translated | dcterms:description | http://purl.org/dc/terms/description | | ||
| + | | Topics | taxonomy | foaf:topic | http://xmlns.com/foaf/0.1/topic | | ||
| + | | License | odm_license | dcterms:licence | http://purl.org/dc/terms/licence | | ||
| + | | Copyright | odm_copyright | cro:Copyright | http://rhizomik.net/ontologies/copyrightonto.owl#copyright | | ||
| + | | Access and use constraints | odm_access_and_use_constraints | md:useconstraints | http://def.seegrid.csiro.au/isotc211/iso19115/2003/metadata#useConstraints | | ||
| + | | Organization | owner_org | foaf:Organization | http://xmlns.com/foaf/0.1/organization| | ||
| + | | Version | version | doap:version | http://usefulinc.com/ns/doap#version | | ||
| + | | Contact | odm_contact | ebucore:Contact | https://www.ebu.ch/metadata/ontologies/ebucore/index.html#Contact | | ||
| + | | Language | odm_language | dcterms:language | http://dublincore.org/documents/2012/06/14/dcmi-terms/?v=terms#language | | ||
| + | | Date created | odm_date_created | dcterms:created | http://dublincore.org/documents/2012/06/14/dcmi-terms/?v=terms#created | | ||
| + | | Date uploaded | odm_date_uploaded | schema:uploadDate | http://schema.org/uploadDate | | ||
| + | | Date modified | odm_date_modified | dcterms:modified | http://dublincore.org/documents/2012/06/14/dcmi-terms/?v=terms#modified | | ||
| + | | Geographical area (Spatial range) | odm_spatial_range | gn:countryCode | http://www.geonames.org/ontology#countryCode | | ||
| + | | Accuracy | odm_accuracy | dqm:accuracy | http://semwebquality.org/dqm-vocabulary/v1/dqm#Accuracy | | ||
| + | | Logical consistency | odm_logical_consistency | dq:LogicalConsistency | http://def.seegrid.csiro.au/isotc211/iso19115/2003/dataquality#LogicalConsistency | | ||
| + | | Completeness | odm_completeness | dq:Completeness | http://def.seegrid.csiro.au/isotc211/iso19115/2003/dataquality#Completeness | | ||
| + | | Source(s) | odm_source | dcterms:source | http://dublincore.org/documents/2012/06/14/dcmi-terms/?v=terms#source | | ||
| + | | Attributes | odm_attributes | omn:Attribute | http://open-multinet.info/ontology/omn#isAttributeOf | | ||
| + | ==== Library records ==== | ||
| + | |||
| + | ^ Metadata field name ^ ODM Ckan internal id ^ Standard term ^ Standard term uri ^ | ||
| + | | Document type | document_type | agls:documentType | http://www.agls.gov.au/agls/terms/documentType | | ||
| + | | Language of document | odm_language | dcterms:language | http://dublincore.org/documents/2012/06/14/dcmi-terms/?v=terms#language | | ||
| + | | Formal full title | title_translated | dcterms:title | http://purl.org/dc/terms/title | | ||
| + | | Short title (alternative/varying form of title) | marc21_246 | gc:shortTitle | http://www.oegov.org/core/owl/gc#shortTitle | | ||
| + | | Topics | taxonomy | foaf:topic | http://xmlns.com/foaf/0.1/topic | | ||
| + | | Short summary (contents) | notes_translated | dcterms:description | http://dublincore.org/documents/2012/06/14/dcmi-terms/?v=terms#description | | ||
| + | | Geographic area (spatial range) | odm_spatial_range | gn:countryCode | http://www.geonames.org/ontology#countryCode | | ||
| + | | Copyright | odm_copyright | cro:Copyright | http://rhizomik.net/ontologies/copyrightonto.owl#copyright | | ||
| + | | Access and use constraints | odm_access_and_use_constraints | md:useconstraints | http://def.seegrid.csiro.au/isotc211/iso19115/2003/metadata#useConstraints | | ||
| + | | Version / Edition | version | doap:version | http://usefulinc.com/ns/doap#version | | ||
| + | | Organization | owner_org | foaf:Organization | http://xmlns.com/foaf/0.1/organization| | ||
| + | | Date uploaded | odm_date_uploaded | schema:uploadDate | http://schema.org/uploadDate | | ||
| + | | License | license_id | dcterms:licence | http://purl.org/dc/terms/licence | | ||
| + | | Contact | odm_contact | ebucore:Contact | https://www.ebu.ch/metadata/ontologies/ebucore/index.html#Contact | | ||
| + | | Author (individual) | marc21_100 | opus:author | http://lsdis.cs.uga.edu/projects/semdis/opus#author | | ||
| + | | Author (corporate) | marc21_110 | opus:author | http://lsdis.cs.uga.edu/projects/semdis/opus#author | | ||
| + | | Co-author (individual) | marc21_700 | opus:coauthor | http://lsdis.cs.uga.edu/projects/semdis/opus#coauthor | | ||
| + | | Co-Author (corporate) | marc21_710 | opus:coauthor | http://lsdis.cs.uga.edu/projects/semdis/opus#coauthor | | ||
| + | | ISBN number | marc21_020 | opus:isbn | http://lsdis.cs.uga.edu/projects/semdis/opus#isbn | ||
| + | | ISSN number | marc21_022 | dbpedia-owl:issn | http://dbpedia.org/ontology/issn | | ||
| + | | Publication place | marc21_260a | mrel:pup | http://id.loc.gov/vocabulary/relators/pup | | ||
| + | | Publisher | marc21_260b | dcterms:publisher | http://purl.org/dc/terms/publisher | | ||
| + | | Publication date | marc21_260c | dcterms:issued | http://purl.org/dc/terms/issued | | ||
| + | | Pagination | marc21_300 | bibo:numPages | http://bibliontology.com/bibo/bibo.php#numPages| | ||
| + | | General note | marc21_500 | skos:note | https://www.w3.org/2009/08/skos-reference/skos.html#note | | ||
| + | | Legacy reference document | odm_reference_document | pproc:documentReference | http://contsem.unizar.es/def/sector-publico/pproc.html#documentReference | | ||
| + | | Province(s) | odm_province | | | | ||
| + | | Date modified | odm_date_modified | | | | ||
| + | | Keywords | odm_keywords | | | | ||
| + | ==== Laws records ==== | ||
| + | |||
| + | ^ Metadata field name ^ ODM Ckan internal id ^ Standard term ^ Standard term uri ^ | ||
| + | | Document type | odm_document_type | agls:documentType | http://www.agls.gov.au/agls/terms/documentType | | ||
| + | | Document reference number | odm_document_number | dbpedia-owl:documentNumber | http://dbpedia.org/ontology/documentNumber | | ||
| + | | Language | odm_language | dcterms:language | http://dublincore.org/documents/2012/06/14/dcmi-terms/?v=terms#language | | ||
| + | | Formal full title | title_translated | dcterms:title | http://purl.org/dc/terms/title | | ||
| + | | Alternative/short title | odm_short_title | gc:shortTitle | http://www.oegov.org/core/owl/gc#shortTitle | | ||
| + | | Topics | taxonomy | foaf:topic | http://xmlns.com/foaf/0.1/topic | | ||
| + | | Short summary | notes_translated | dcterms:description | http://purl.org/dc/terms/description | | ||
| + | | Geographic area (spatial range) | odm_spatial_range | gn:countryCode | http://www.geonames.org/ontology#countryCode | | ||
| + | | Organization | owner_org | foaf:Organization | http://xmlns.com/foaf/0.1/organization| | ||
| + | | License | license_id | dcterms:licence | http://purl.org/dc/terms/licence | | ||
| + | | Copyright | odm_copyright | cro:Copyright | http://rhizomik.net/ontologies/copyrightonto.owl#copyright | | ||
| + | | Adoption date/Promulgation date/Signing | odm_promulgation_date | bibframe:legalDate | http://id.loc.gov/ontologies/bibframe.html#p_legalDate | | ||
| + | | Short notes of change | odm_laws_previous_changes_notes | skos:changeNote | https://www.w3.org/2009/08/skos-reference/skos.html#changeNote | | ||
| + | | Contact | odm_contact | ebucore:Contact | https://www.ebu.ch/metadata/ontologies/ebucore/index.html#Contact | | ||
| + | | Notes | odm_laws_notes | skos:note | https://www.w3.org/2009/08/skos-reference/skos.html#note | | ||
| + | | Legacy reference document | odm_reference_document | pproc:documentReference | http://contsem.unizar.es/def/sector-publico/pproc.html#documentReference | | ||
| + | | Province(s) | odm_province | | | | ||
| + | | Date modified | odm_date_modified | | | | ||
| + | | Date updated | odm_date_updated | | | | ||
| + | | Keywords | odm_keywords | | | | ||
| + | | Issuing agency/parties | odm_laws_issuing_agency_parties | | | | ||
| + | | Implementing agencies | odm_laws_implementing_agencies | | | | ||
| + | | | odm_laws_primary_policy_reference_point | | | | ||
| + | | | odm_access_and_use_constraints | | | | ||
| + | | Status | odm_laws_status | | | | ||
| + | | Version date (of draft) | odm_laws_version_date | | | | ||
| + | | Effective/Enforced Date | odm_effective_date | | | | ||
| + | | Previous legal document | odm_laws_previous_legal_document | | | | ||
| + | | Parent document | odm_laws_parent_document | | | | ||
| + | | Child Document | odm_laws_child_document | | | | ||
| + | | Other reference or supporting documents | odm_laws_other_references | | | | ||
| + | | Publication reference | odm_laws_official_publication_reference | | | | ||
| + | | Links to source | odm_laws_source | | | | ||
| ===== Visualizing ODM's datasets ===== | ===== Visualizing ODM's datasets ===== | ||
| Line 110: | Line 202: | ||
| Currently, multilingual values are not exposed following RDF standards but as json object. | Currently, multilingual values are not exposed following RDF standards but as json object. | ||
| - | ==== Use URIs for standard values such as spatial_range ( gn:countryCode ) ==== | + | ==== Use URIs for standard values such as odm_spatial_range ( gn:countryCode ) or taxonomy ( foaf:topics ) ==== |
| Instead of using just literals for the object of the different predicates, as is the case now, standard values (such as a country code) should be exposed via an URI. | Instead of using just literals for the object of the different predicates, as is the case now, standard values (such as a country code) should be exposed via an URI. | ||
| + | ==== Do not generate Empty/None triples ==== | ||
| + | |||
| + | In case a triple has the value **None**, it should not be generated. | ||
| + | |||
| + | ==== Implement mapping between ODM taxonomy terms and terms in standard vocabularies (LandVoc, etc...) ==== | ||
| + | In order to expose topics using standard terms | ||
public/using_the_rdf_endpoints_to_pull_data_from_ckan.txt · Last modified: 2020/06/23 15:05 (external edit)
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