Triple

T12519940
Position Surface form Disambiguated ID Type / Status
Subject Saskatchewan Legislative Building E299287 entity
Predicate materialUsed P1272 FINISHED
Object Tyndall stone
Tyndall stone is a fossil-rich, buff-colored dolomitic limestone from Manitoba widely used as an ornamental building stone across Canada.
 E986317 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Tyndall stone | Statement: [Saskatchewan Legislative Building, materialUsed, Tyndall stone]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tyndall stone
Context triple: [Saskatchewan Legislative Building, materialUsed, Tyndall stone]
  • A. Kirkstone rock
    Kirkstone rock is a distinctive large stone in England’s Lake District whose appearance is traditionally said to resemble a church, giving its name to the nearby Kirkstone Pass.
  • B. Stiperstones Quartzite
    Stiperstones Quartzite is a hard, silica-rich quartzite rock formation that forms the rugged ridge and distinctive tors of the Stiperstones hills in Shropshire, England.
  • C. Ferrar Dolerite
    Ferrar Dolerite is a widespread Jurassic-age igneous rock formation in Antarctica, notable for forming prominent sills and cliffs within the Transantarctic Mountains.
  • D. Tura limestone
    Tura limestone is a fine white Egyptian limestone historically prized for its high quality and used as the outer casing stone for major monuments such as the Great Pyramid of Giza.
  • E. Halesite
    Halesite is a hamlet in the town of Huntington on Long Island, New York, known for its waterfront location along Huntington Harbor and its historic residential character.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tyndall stone
Target entity description: Tyndall stone is a fossil-rich, buff-colored dolomitic limestone from Manitoba widely used as an ornamental building stone across Canada.
  • A. Kirkstone rock
    Kirkstone rock is a distinctive large stone in England’s Lake District whose appearance is traditionally said to resemble a church, giving its name to the nearby Kirkstone Pass.
  • B. Stiperstones Quartzite
    Stiperstones Quartzite is a hard, silica-rich quartzite rock formation that forms the rugged ridge and distinctive tors of the Stiperstones hills in Shropshire, England.
  • C. Ferrar Dolerite
    Ferrar Dolerite is a widespread Jurassic-age igneous rock formation in Antarctica, notable for forming prominent sills and cliffs within the Transantarctic Mountains.
  • D. Tura limestone
    Tura limestone is a fine white Egyptian limestone historically prized for its high quality and used as the outer casing stone for major monuments such as the Great Pyramid of Giza.
  • E. Halesite
    Halesite is a hamlet in the town of Huntington on Long Island, New York, known for its waterfront location along Huntington Harbor and its historic residential character.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Tyndall stone
Triple: [Saskatchewan Legislative Building, materialUsed, Tyndall stone]
Generated description
Tyndall stone is a fossil-rich, buff-colored dolomitic limestone from Manitoba widely used as an ornamental building stone across Canada.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d6ada5cdd48190860d9ce30aff69be elicitation completed
NER batch_69d9545a2e188190bb92120df740003d ner completed
NED1 batch_69f64bbf43e08190ae79f92ed5882ce2 ned_source_triple completed
NED2 batch_69f64d668e548190979b3da72fe21ae7 ned_description completed
NEDg batch_69f64c7c5d04819094fcbee0a4b5cbb4 nedg completed
Created at: April 8, 2026, 9:57 p.m.