Triple

T2683383
Position Surface form Disambiguated ID Type / Status
Subject Charles Bridge E57425 entity
Predicate materialUsed P1272 FINISHED
Object Bohemian sandstone
Bohemian sandstone is a durable, locally quarried sedimentary rock from the Bohemia region, historically used in many notable Central European buildings and monuments.
E287416 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Bohemian sandstone | Statement: [Charles Bridge, materialUsed, Bohemian sandstone]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bohemian sandstone
Context triple: [Charles Bridge, materialUsed, Bohemian sandstone]
  • A. Bath stone
    Bath stone is a honey-colored oolitic limestone from the Bath area of England, historically prized as a building material for its warm appearance and ease of carving.
  • B. Cotswold stone
    Cotswold stone is a warm, honey-colored limestone traditionally quarried in the Cotswolds region of England and widely used for its distinctive appearance in local architecture.
  • C. 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.
  • D. Lioz limestone
    Lioz limestone is a dense, decorative Portuguese limestone widely used in historic architecture and monuments, especially in and around Lisbon.
  • E. Hallowell granite
    Hallowell granite is a durable, fine-grained granite historically quarried in Hallowell, Maine, widely used in prominent public buildings and monuments in the United States.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
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: Bohemian sandstone
Triple: [Charles Bridge, materialUsed, Bohemian sandstone]
Generated description
Bohemian sandstone is a durable, locally quarried sedimentary rock from the Bohemia region, historically used in many notable Central European buildings and monuments.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bohemian sandstone
Target entity description: Bohemian sandstone is a durable, locally quarried sedimentary rock from the Bohemia region, historically used in many notable Central European buildings and monuments.
  • A. Bath stone
    Bath stone is a honey-colored oolitic limestone from the Bath area of England, historically prized as a building material for its warm appearance and ease of carving.
  • B. Cotswold stone
    Cotswold stone is a warm, honey-colored limestone traditionally quarried in the Cotswolds region of England and widely used for its distinctive appearance in local architecture.
  • C. 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.
  • D. Lioz limestone
    Lioz limestone is a dense, decorative Portuguese limestone widely used in historic architecture and monuments, especially in and around Lisbon.
  • E. Hallowell granite
    Hallowell granite is a durable, fine-grained granite historically quarried in Hallowell, Maine, widely used in prominent public buildings and monuments in the United States.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69ab4a5028388190a36f3baf1588309e completed March 6, 2026, 9:42 p.m.
NER Named-entity recognition batch_69abd9d7692c81909d8fd9ce3817161b completed March 7, 2026, 7:55 a.m.
NED1 Entity disambiguation (via context triple) batch_69afa06c7a908190ae3463bf3e204fa6 completed March 10, 2026, 4:39 a.m.
NEDg Description generation batch_69afa1196aac81909b25557dff5acf5e completed March 10, 2026, 4:42 a.m.
NED2 Entity disambiguation (via description) batch_69afa1a7d9b48190a8b14a7d209e1f26 completed March 10, 2026, 4:44 a.m.
Created at: March 6, 2026, 9:54 p.m.