VizKG 1.0.3

Visualization library for SPARQL query results

VizKG

Visualization library for SPARQL query results

Installation

Use the package manager pip to install VizKG.

pip install VizKG

Usage

# Import the library
import VizKG.visualize as vkg

Wikidata: COVID-19 Vaccine Origins

sparql_query = """
SELECT DISTINCT ?vaccineLabel ?originCountry  {
  ?vaccine wdt:P1924 wd:Q84263196 .
  ?vaccine wdt:P178 ?developer.
  ?vaccine rdfs:label ?vaccineLabel .
  ?developer wdt:P17 ?origin . 
  ?origin rdfs:label ?originCountry .
  FILTER (LANG(?vaccineLabel) = 'en').
  FILTER (LANG(?originCountry) = 'en').
}LIMIT 25
"""
#to query another endpoint, change the URL for the service and the query
sparql_service_url = "https://query.wikidata.org/sparql"
chart = vkg(sparql_query=sparql_query, sparql_service_url=sparql_service_url, chart='sunburst')
chart.plot()

DBpedia: Map of Temples in Indonesia

sparql_query = """
SELECT * WHERE {
  ?item dbo:wikiPageWikiLink dbr:Candi_of_Indonesia;
        geo:geometry ?geo .
  ?item rdfs:label ?itemLabel.
  FILTER((LANG(?itemLabel)) = "en")
}
"""
#to query another endpoint, change the URL for the service and the query
sparql_service_url = "https://dbpedia.org/sparql/"
chart = vkg(sparql_query=sparql_query, sparql_service_url=sparql_service_url, chart='map')
chart.plot()

OU_UK: Number of Employees by Job Title

sparql_query = """
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX schema: <http://schema.org/jobTitle>

SELECT DISTINCT ?jobTitle (COUNT(?jobTitle) as ?count) WHERE {?s a foaf:Person .
  ?s <http://schema.org/jobTitle> ?jobTitle .
  FILTER (lang(?jobTitle) != 'en')
}
GROUP BY ?jobTitle
HAVING (?count > 10)
"""
#to query another endpoint, change the URL for the service and the query
sparql_service_url = "https://data.open.ac.uk/sparql"
chart = vkg(sparql_query=sparql_query, sparql_service_url=sparql_service_url, chart='TreeMap')
chart.plot()

Budaya KB: Number of Temples by Indonesian Regencies

sparql_query = """
prefix bkb: <https://budayakb.cs.ui.ac.id/ns#>
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>


SELECT ?provLabel (COUNT(?temple) AS ?numTemple) WHERE {
  ?temple a bkb:Candi .
  ?temple bkb:locationInProvince ?prov .
  ?prov rdfs:label ?provLabel.
  FILTER (lang(?provLabel) = 'id')

} GROUP BY ?provLabel
ORDER BY DESC(?numTemple)
"""
#to query another endpoint, change the URL for the service and the query
sparql_service_url = "https://budayakb.cs.ui.ac.id/budaya/sparql"
chart = vkg(sparql_query=sparql_query, sparql_service_url=sparql_service_url, chart='bubble')
chart.plot()

Supported Visualizations

• Table
• ImageGrid
• Map
• Tree
• Timeline
• Dimensions
• Graph
• WordCloud
• Tree Map
• SunBurst Chart
• Line Chart
• Bar Chart
• Area Chart
• StackedArea Chart
• Histogram
• Density Plot
• Box Plot
• Violin Plot
• Bubble Chart
• Scatter Chart
• HeatMap
• Radar Chart