View
sari
☰
Annotations
Ontology
Ontology overview
Competency questions
WIDOCO documentation
Artwork explorer
From the original text
AI-extracted
AI-extracted + linked
ObliquER
About
Demo
Browse & Search
SPARQL endpoint
Publications
About
SPARQL
Ready
Annotations
Ontology — Overview
Ontology — Competency questions
Ontology — WIDOCO documentation
Artwork explorer — From the original text
Artwork explorer — AI-extracted
Artwork explorer — AI-extracted + linked
ObliquER — About
ObliquER — Demo
Browse & Search
SPARQL endpoint
Publications
About
SPARQL endpoint
Query the Viewsari Knowledge Graph directly. The endpoint serves 1.7M+ triples covering volumes, biographies, pages, paragraphs, persons, co-occurrences, and provenance.
PREFIX viewsari: <https://viewsari.ise.fiz-karlsruhe.de/ontology/> PREFIX vkb: <https://viewsari.ise.fiz-karlsruhe.de/kb/1.0#> PREFIX fabio: <http://purl.org/spar/fabio/> PREFIX doco: <http://purl.org/spar/doco/> PREFIX frbr: <http://purl.org/vocab/frbr/core#> PREFIX prov: <http://www.w3.org/ns/prov#> PREFIX oa: <http://www.w3.org/ns/oa#> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX skos: <http://www.w3.org/2004/02/skos/core#> PREFIX wd: <http://www.wikidata.org/entity/> PREFIX wdt: <http://www.wikidata.org/prop/direct/>
Example queries — click to load
Extraction runs
All extraction & annotation runs with their agent and mention counts.
Explicit artwork mentions
Passages where Vasari named an artwork directly.
Implicit artwork mentions
Descriptions that imply an artwork without naming it.
GT vs. ObliquER coverage
Ground-truth vs. AI mention counts per paragraph.
Entities shared across biographies
Artwork entities referenced from many paragraphs.
Mentions by Sarah
Annotations from the human ground-truth run.
OOKB discoveries
Artworks with no matching Wikidata entry (out-of-KB).
Coreferent chains
Coreferent mentions and the antecedent they point back to.
Giotto co-occurrences
Who co-occurred with Giotto, and where.
Describe Giotto (Turtle)
A co-occurrence subgraph around Giotto, returned as Turtle.
Wikidata-linked hits
Artwork entities successfully linked to Wikidata.
KG statistics
Counts of the main classes in the knowledge graph.
Artworks enriched from Wikidata
Federated
Live
SERVICE
join to Wikidata — pulls each linked artwork's creator, location, collection & date.
People enriched from Wikidata
Federated
Live
SERVICE
join to Wikidata — birth & death dates, birthplace, occupation & where each artist was active.
Competency-question queries
Top co-occurrence partners
CQI.6
Artists ranked by how often they co-occur with Michelangelo.
In which biographies?
CQI.12
Which biographies a given person is mentioned in.
Which volume holds a biography
CQI.20
The volume of The Lives containing an artist's biography.
Surface forms & mention type
CQII.7
How an artwork is referred to, and each mention's type.
FRBR bibliographic levels
CQII.19
Entities grouped by work, expression, and manifestation.
Wikidata links per type
CQII.25
Count of Wikidata-linked entities per entity type.
Provenance: run & agent
CQII.34
Which run and software agent generated an entity.
Run metadata
CQII.37
Model version and timestamps for extraction runs.
Query Editor
Clear
Run Query
SELECT ?vol ?label WHERE { ?vol a viewsari:0001006 . ?vol rdfs:label ?label . } ORDER BY ?label
Ready
Results
Run a query to see results
×
