Triple

T3279502
Position Surface form Disambiguated ID Type / Status
Subject T8 Airport & South Line (Sydney Trains) E68838 entity
Predicate hasStation P35 FINISHED
Object Central railway station
Central railway station is Sydney’s largest and busiest railway hub, serving as the primary interchange for suburban, intercity, and regional train services.
 E344915 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: Central railway station | Statement: [T8 Airport & South Line (Sydney Trains), hasStation, Central railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Central railway station
Context triple: [T8 Airport & South Line (Sydney Trains), hasStation, Central railway station]
  • A. National Rail station
    A National Rail station is a passenger railway facility in Great Britain that forms part of the nationwide National Rail network, providing scheduled train services and related amenities.
  • B. March railway station
    March railway station is a railway station in the town of March, Cambridgeshire, serving as a local stop on the regional rail network in eastern England.
  • C. Main Terminal Station
    Main Terminal Station is the primary AeroTrain stop serving the airport’s central passenger terminal complex.
  • D. Nine railway station
    Nine railway station is a railway stop in northern Portugal that forms part of the Porto urban rail network operated by Urbanos do Porto.
  • E. Rossio railway station
    Rossio railway station is a historic 19th-century train terminus in central Lisbon, Portugal, known for its Neo-Manueline façade and role as a key gateway to the Sintra line.
  • 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: Central railway station
Triple: [T8 Airport & South Line (Sydney Trains), hasStation, Central railway station]
Generated description
Central railway station is Sydney’s largest and busiest railway hub, serving as the primary interchange for suburban, intercity, and regional train services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Central railway station
Target entity description: Central railway station is Sydney’s largest and busiest railway hub, serving as the primary interchange for suburban, intercity, and regional train services.
  • A. National Rail station
    A National Rail station is a passenger railway facility in Great Britain that forms part of the nationwide National Rail network, providing scheduled train services and related amenities.
  • B. March railway station
    March railway station is a railway station in the town of March, Cambridgeshire, serving as a local stop on the regional rail network in eastern England.
  • C. Main Terminal Station
    Main Terminal Station is the primary AeroTrain stop serving the airport’s central passenger terminal complex.
  • D. Nine railway station
    Nine railway station is a railway stop in northern Portugal that forms part of the Porto urban rail network operated by Urbanos do Porto.
  • E. Rossio railway station
    Rossio railway station is a historic 19th-century train terminus in central Lisbon, Portugal, known for its Neo-Manueline façade and role as a key gateway to the Sintra line.
  • 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_69ad859c463481909ca4be267336c290 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb0155430819097c806ee407dc1e4 completed March 8, 2026, 5:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69b2e84ddd24819094a47269023f9889 completed March 12, 2026, 4:22 p.m.
NEDg Description generation batch_69b2e8d04e508190916455fa2f4702b5 completed March 12, 2026, 4:24 p.m.
NED2 Entity disambiguation (via description) batch_69b2ed0f862c81909d9a279bea549339 completed March 12, 2026, 4:42 p.m.
Created at: March 8, 2026, 3:10 p.m.