Triple

T7376016
Position Surface form Disambiguated ID Type / Status
Subject John Bradfield E170124 entity
Predicate notableWork P4 FINISHED
Object Sydney underground railway (City Circle) plan
The Sydney underground railway (City Circle) plan was an early 20th-century scheme for an electrified underground rail loop through central Sydney that became the blueprint for the city’s modern suburban rail network.
E659938 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: Sydney underground railway (City Circle) plan | Statement: [John Bradfield, notableWork, Sydney underground railway (City Circle) plan]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sydney underground railway (City Circle) plan
Context triple: [John Bradfield, notableWork, Sydney underground railway (City Circle) plan]
  • A. Sydney Metro
    Sydney Metro is a fully automated rapid transit system serving the Sydney metropolitan area, designed to provide high-frequency, high-capacity rail services independent of the existing suburban train network.
  • B. Melbourne Underground Rail Loop
    The Melbourne Underground Rail Loop is a major underground railway system in central Melbourne that routes suburban train lines through a series of tunnels and city stations to improve capacity and connectivity.
  • C. Sydney light rail
    Sydney light rail is a modern tram-based public transport network serving key corridors across inner Sydney and connecting major hubs such as the CBD and southeastern suburbs.
  • D. Melbourne suburban rail network
    The Melbourne suburban rail network is an extensive metropolitan train system that connects central Melbourne with its surrounding suburbs through multiple electrified lines and key interchange stations.
  • E. Melbourne public transport network
    The Melbourne public transport network is an integrated system of trains, trams, and buses that provides metropolitan and suburban transit across Greater Melbourne, Australia.
  • 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: Sydney underground railway (City Circle) plan
Triple: [John Bradfield, notableWork, Sydney underground railway (City Circle) plan]
Generated description
The Sydney underground railway (City Circle) plan was an early 20th-century scheme for an electrified underground rail loop through central Sydney that became the blueprint for the city’s modern suburban rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sydney underground railway (City Circle) plan
Target entity description: The Sydney underground railway (City Circle) plan was an early 20th-century scheme for an electrified underground rail loop through central Sydney that became the blueprint for the city’s modern suburban rail network.
  • A. Sydney Metro
    Sydney Metro is a fully automated rapid transit system serving the Sydney metropolitan area, designed to provide high-frequency, high-capacity rail services independent of the existing suburban train network.
  • B. Melbourne Underground Rail Loop
    The Melbourne Underground Rail Loop is a major underground railway system in central Melbourne that routes suburban train lines through a series of tunnels and city stations to improve capacity and connectivity.
  • C. Sydney light rail
    Sydney light rail is a modern tram-based public transport network serving key corridors across inner Sydney and connecting major hubs such as the CBD and southeastern suburbs.
  • D. Melbourne suburban rail network
    The Melbourne suburban rail network is an extensive metropolitan train system that connects central Melbourne with its surrounding suburbs through multiple electrified lines and key interchange stations.
  • E. Melbourne public transport network
    The Melbourne public transport network is an integrated system of trains, trams, and buses that provides metropolitan and suburban transit across Greater Melbourne, Australia.
  • 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_69c68a5bfaac81909ce7f001dfb70c76 completed March 27, 2026, 1:47 p.m.
NER Named-entity recognition batch_69c6f1a780f88190abf11994e307b6ad completed March 27, 2026, 9:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69c802d15a8481908e43701459607276 completed March 28, 2026, 4:33 p.m.
NEDg Description generation batch_69c803ad72308190a9640f2fb043daab completed March 28, 2026, 4:37 p.m.
NED2 Entity disambiguation (via description) batch_69c8043121988190b7c9ea0f786296c2 completed March 28, 2026, 4:39 p.m.
Created at: March 27, 2026, 3:07 p.m.