Triple

T2281500
Position Surface form Disambiguated ID Type / Status
Subject North Coast railway line E51288 entity
Predicate hasBridge P386 FINISHED
Object Grafton Bridge (rail‑road bridge over Clarence River)
Grafton Bridge is a historic combined road and rail bridge spanning the Clarence River in Grafton, New South Wales, Australia.
E249693 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: Grafton Bridge (rail‑road bridge over Clarence River) | Statement: [North Coast railway line, hasBridge, Grafton Bridge (rail‑road bridge over Clarence River)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Grafton Bridge (rail‑road bridge over Clarence River)
Context triple: [North Coast railway line, hasBridge, Grafton Bridge (rail‑road bridge over Clarence River)]
  • A. Perth Bridge
    Perth Bridge is a historic stone road bridge spanning the River Tay in Perth, Scotland, known for its multiple arches and 18th-century construction.
  • B. Swan Street Bridge
    Swan Street Bridge is a prominent road bridge in Melbourne, Australia, carrying traffic over the Yarra River near the Melbourne Cricket Ground and other key sporting precincts.
  • C. Strawberry Creek bridge
    Strawberry Creek bridge is a pedestrian bridge on the UC Berkeley campus that spans Strawberry Creek near Sather Gate, serving as a key walkway between central campus areas.
  • D. Wellington Bridge
    Wellington Bridge is a roadway bridge in the Boston area that carries traffic across the Mystic River between Medford and Somerville, Massachusetts.
  • E. Hawthorne Bridge
    Hawthorne Bridge is a historic truss bridge in Portland, Oregon, known as one of the city’s oldest and most heavily used river crossings.
  • 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: Grafton Bridge (rail‑road bridge over Clarence River)
Triple: [North Coast railway line, hasBridge, Grafton Bridge (rail‑road bridge over Clarence River)]
Generated description
Grafton Bridge is a historic combined road and rail bridge spanning the Clarence River in Grafton, New South Wales, Australia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Grafton Bridge (rail‑road bridge over Clarence River)
Target entity description: Grafton Bridge is a historic combined road and rail bridge spanning the Clarence River in Grafton, New South Wales, Australia.
  • A. Perth Bridge
    Perth Bridge is a historic stone road bridge spanning the River Tay in Perth, Scotland, known for its multiple arches and 18th-century construction.
  • B. Swan Street Bridge
    Swan Street Bridge is a prominent road bridge in Melbourne, Australia, carrying traffic over the Yarra River near the Melbourne Cricket Ground and other key sporting precincts.
  • C. Strawberry Creek bridge
    Strawberry Creek bridge is a pedestrian bridge on the UC Berkeley campus that spans Strawberry Creek near Sather Gate, serving as a key walkway between central campus areas.
  • D. Wellington Bridge
    Wellington Bridge is a roadway bridge in the Boston area that carries traffic across the Mystic River between Medford and Somerville, Massachusetts.
  • E. Hawthorne Bridge
    Hawthorne Bridge is a historic truss bridge in Portland, Oregon, known as one of the city’s oldest and most heavily used river crossings.
  • 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_69a88b08e4308190bdac9aebcca1c91a completed March 4, 2026, 7:42 p.m.
NER Named-entity recognition batch_69abc21c405881908c4df7bee36136fe completed March 7, 2026, 6:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae71e7b44c8190ab647646352b71b7 completed March 9, 2026, 7:08 a.m.
NEDg Description generation batch_69ae72bf22088190a2c111a71eb0dda7 completed March 9, 2026, 7:11 a.m.
NED2 Entity disambiguation (via description) batch_69ae731ab8bc819090fac5b311cb5fe0 completed March 9, 2026, 7:13 a.m.
Created at: March 4, 2026, 7:48 p.m.