Triple

T11986973
Position Surface form Disambiguated ID Type / Status
Subject Sydney Metro E285303 entity
Predicate initialSectionOpened P20181 FINISHED
Object Metro North West Line
The Metro North West Line is a rapid transit line in Sydney’s metro network, serving the city’s north-western suburbs with frequent, driverless train services.
 E958393 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: Metro North West Line | Statement: [Sydney Metro, initialSectionOpened, Metro North West Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metro North West Line
Context triple: [Sydney Metro, initialSectionOpened, Metro North West Line]
  • A. Trafford Park Line
    The Trafford Park Line is a light rail route on Greater Manchester's Metrolink network that serves key destinations including the Trafford Centre and the Trafford Park industrial area.
  • B. Northern Line
    The Northern Line is a major commuter rail route in the Merseyrail network serving Liverpool and surrounding areas in North West England.
  • C. Wirral Line
    The Wirral Line is a commuter rail line in the Merseyrail network serving Liverpool and the Wirral Peninsula via underground city-centre stations and tunnels under the River Mersey.
  • D. Altrincham Line
    The Altrincham Line is a Manchester Metrolink light rail route running between Altrincham and central Manchester, serving several suburban areas in the south of the city.
  • E. South Manchester Line
    The South Manchester Line is a Metrolink light rail route in Greater Manchester, England, connecting central Manchester with several southern suburbs.
  • 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: Metro North West Line
Triple: [Sydney Metro, initialSectionOpened, Metro North West Line]
Generated description
The Metro North West Line is a rapid transit line in Sydney’s metro network, serving the city’s north-western suburbs with frequent, driverless train services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Metro North West Line
Target entity description: The Metro North West Line is a rapid transit line in Sydney’s metro network, serving the city’s north-western suburbs with frequent, driverless train services.
  • A. Trafford Park Line
    The Trafford Park Line is a light rail route on Greater Manchester's Metrolink network that serves key destinations including the Trafford Centre and the Trafford Park industrial area.
  • B. Northern Line
    The Northern Line is a major commuter rail route in the Merseyrail network serving Liverpool and surrounding areas in North West England.
  • C. Wirral Line
    The Wirral Line is a commuter rail line in the Merseyrail network serving Liverpool and the Wirral Peninsula via underground city-centre stations and tunnels under the River Mersey.
  • D. Altrincham Line
    The Altrincham Line is a Manchester Metrolink light rail route running between Altrincham and central Manchester, serving several suburban areas in the south of the city.
  • E. South Manchester Line
    The South Manchester Line is a Metrolink light rail route in Greater Manchester, England, connecting central Manchester with several southern suburbs.
  • 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_69d6ab44a77c8190a652f4b27164e4ef completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d903ae28708190a826bad1624343eb completed April 10, 2026, 2:05 p.m.
NED1 Entity disambiguation (via context triple) batch_69f47237c23081909044388ff5dc73b3 completed May 1, 2026, 9:28 a.m.
NEDg Description generation batch_69f47b7c5af08190ab0bff1232530a0c completed May 1, 2026, 10:07 a.m.
NED2 Entity disambiguation (via description) batch_69f47dd51e648190bddd41766221e22d completed May 1, 2026, 10:17 a.m.
Created at: April 8, 2026, 9:46 p.m.