如何将 Wikidata 导入 Neo4j

CALL n10s.graphconfig.init({
  handleVocabUris: 'MAP', (1)
  handleMultival: 'ARRAY', (2)
  keepLangTag: true, (3)
  keepCustomDataTypes: true, (4)
  applyNeo4jNaming: true (5)
})

CREATE CONSTRAINT n10s_unique_uri FOR (r:Resource)
REQUIRE r.uri IS UNIQUE

describe wd:Q145

SELECT *
WHERE {
  ?country wdt:P31 wd:Q3624078;
    rdfs:label ?countryLabel.
  BIND(LANG(?countryLabel) AS ?countryLabelLang)
}
LIMIT 10

SELECT *
WHERE {
  ?country wdt:P31 wd:Q3624078 ;
    rdfs:label ?countryLabel .
    filter(lang(?countryLabel) IN ("en", "ar", "ru", "zh")) . (1)
  ?country wdt:P30 ?continent .
  ?continent rdfs:label ?continentLabel .
  filter(lang(?continentLabel) IN ("en", "ar", "ru", "zh")) . (1)
  ?country p:P1082 ?populationStatement .
  ?populationStatement ps:P1082 ?population;
    pq:P585 ?date .
  filter(?date > "2010-01-01"^^xsd:dateTime)  (2)
}
LIMIT 10

PREFIX neo: <neo4j://voc#> (1)
CONSTRUCT { (2)
  ?country a neo:Country . (3)
  ?country neo:countryName ?countryLabel . (4)
  ?country neo:inContinent ?continent . (5)
  ?continent neo:continentName ?continentLabel . (6)
  ?country neo:hasPopulationCount [ neo:count ?population ; neo:onDate ?date ] . (7)
  ?population a neo:PopulationCount
}
WHERE {
   ?country wdt:P31 wd:Q3624078 ;
    rdfs:label ?countryLabel .
    filter(lang(?countryLabel) IN ("en", "ar", "br", "zh")) .
  ?country wdt:P30 ?continent .
  ?continent rdfs:label ?continentLabel .
  filter(lang(?continentLabel) IN ("en", "ar", "br", "zh")) .
  ?country p:P1082 ?populationStatement .
  ?populationStatement ps:P1082 ?population;
    pq:P585 ?date .
  filter(?date > "2010-01-01"^^xsd:dateTime)
}
LIMIT 10

https://query.wikidata.org/sparql?query=<RDF>

WITH 'PREFIX neo: <neo4j://voc#> (1)
CONSTRUCT { (2)
  ?country a neo:Country . (3)
  ?country neo:countryName ?countryLabel . (4)
  ?country neo:inContinent ?continent . (5)
  ?continent neo:continentName ?continentLabel . (6)
  ?country neo:hasPopulationCount [ neo:population ?population ; neo:onDate ?date ] . (7)
  ?population a neo:PopulationCount
}
WHERE {
   ?country wdt:P31 wd:Q3624078 ;
    rdfs:label ?countryLabel .
    filter(lang(?countryLabel) IN ("en", "ar", "br", "zh")) .
  ?country wdt:P30 ?continent .
  ?continent rdfs:label ?continentLabel .
  filter(lang(?continentLabel) IN ("en", "ar", "br", "zh")) .
  ?country p:P1082 ?populationStatement .
  ?populationStatement ps:P1082 ?population;
    pq:P585 ?date .
  filter(?date > "2010-01-01"^^xsd:dateTime)
}
LIMIT 10' AS sparql


CALL n10s.rdf.stream.fetch(
  'https://query.wikidata.org/sparql?query='+ apoc.text.urlencode(sparql),
  'Turtle' ,
  { headerParams: { Accept: "application/x-turtle" } }
)
YIELD subject, predicate, object, isLiteral, literalType, literalLang
RETURN subject, predicate, object, isLiteral, literalType, literalLang

WITH 'PREFIX neo: <neo4j://voc#> (1)
CONSTRUCT { (2)
  ?country a neo:Country . (3)
  ?country neo:countryName ?countryLabel . (4)
  ?country neo:inContinent ?continent . (5)
  ?continent neo:continentName ?continentLabel . (6)
  ?country neo:hasPopulationCount [ neo:population ?population ; neo:onDate ?date ] . (7)
  ?population a neo:PopulationCount
}
WHERE {
   ?country wdt:P31 wd:Q3624078 ;
    rdfs:label ?countryLabel .
    filter(lang(?countryLabel) IN ("en", "ar", "br", "zh")) .
  ?country wdt:P30 ?continent .
  ?continent rdfs:label ?continentLabel .
  filter(lang(?continentLabel) IN ("en", "ar", "br", "zh")) .
  ?country p:P1082 ?populationStatement .
  ?populationStatement ps:P1082 ?population;
    pq:P585 ?date .
  filter(?date > "2010-01-01"^^xsd:dateTime)
}
LIMIT 10' AS sparql

CALL n10s.rdf.preview.fetch(
  'https://query.wikidata.org/sparql?query='+ apoc.text.urlencode(sparql),
  'Turtle' ,
  { headerParams: { Accept: "application/x-turtle" } }
)
YIELD nodes, relationships
RETURN nodes, relationships

WITH 'PREFIX neo: <neo4j://voc#>
CONSTRUCT {
  ?country a neo:Country .
  ?country neo:countryName ?countryLabel .
  ?country neo:inContinent ?continent .
  ?continent neo:continentName ?continentLabel .
  ?country neo:hasPopulationCount [ neo:population ?population ; neo:onDate ?date ] .
  ?population a neo:PopulationCount
}
WHERE {
   ?country wdt:P31 wd:Q3624078 ;
    rdfs:label ?countryLabel .
    filter(lang(?countryLabel) IN ("en", "ar", "br", "zh")) .
  ?country wdt:P30 ?continent .
  ?continent rdfs:label ?continentLabel .
  filter(lang(?continentLabel) IN ("en", "ar", "br", "zh")) .
  ?country p:P1082 ?populationStatement .
  ?populationStatement ps:P1082 ?population;
    pq:P585 ?date .
  filter(?date > "2010-01-01"^^xsd:dateTime)
}
' AS sparql

CALL n10s.rdf.import.fetch(
  'https://query.wikidata.org/sparql?query='+ apoc.text.urlencode(sparql),
  'Turtle' ,
  { headerParams: { Accept: "application/x-turtle" } }
)
YIELD terminationStatus, triplesLoaded, triplesParsed, namespaces, extraInfo
RETURN terminationStatus, triplesLoaded, triplesParsed, namespaces, extraInfo

{
  "uri": "http://www.wikidata.org/entity/Q902",
  "countryName": [
    "Bangladesh@en",
    "بنغلاديش@ar",
    "Bangladesh@br",
    "孟加拉国@zh"
  ]
}