Triple

T3279521
Position Surface form Disambiguated ID Type / Status
Subject T8 Airport & South Line (Sydney Trains) E68838 entity
Predicate hasStation P35 FINISHED
Object Leumeah railway station
Leumeah railway station is a suburban train station in Sydney, Australia, serving the Leumeah area on the city’s commuter rail network.
 E344930 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: Leumeah railway station | Statement: [T8 Airport & South Line (Sydney Trains), hasStation, Leumeah railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Leumeah railway station
Context triple: [T8 Airport & South Line (Sydney Trains), hasStation, Leumeah railway station]
  • A. Nelson railway station
    Nelson railway station is a railway station serving the town of Nelson in Lancashire, England, on the East Lancashire Line.
  • B. Taree railway station
    Taree railway station is a regional New South Wales train station on the North Coast line serving the town of Taree, Australia.
  • C. Wynyard railway station
    Wynyard railway station is a major underground commuter rail hub in central Sydney, Australia, serving the city’s central business district.
  • D. Leura railway station
    Leura railway station is a heritage-listed train station in the Blue Mountains region of New South Wales, Australia, serving the village of Leura on the Main Western line.
  • E. Marsden railway station
    Marsden railway station is a small rural railway stop in West Yorkshire, England, serving the village of Marsden on the trans-Pennine route between Manchester and Huddersfield.
  • 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: Leumeah railway station
Triple: [T8 Airport & South Line (Sydney Trains), hasStation, Leumeah railway station]
Generated description
Leumeah railway station is a suburban train station in Sydney, Australia, serving the Leumeah area on the city’s commuter rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Leumeah railway station
Target entity description: Leumeah railway station is a suburban train station in Sydney, Australia, serving the Leumeah area on the city’s commuter rail network.
  • A. Nelson railway station
    Nelson railway station is a railway station serving the town of Nelson in Lancashire, England, on the East Lancashire Line.
  • B. Taree railway station
    Taree railway station is a regional New South Wales train station on the North Coast line serving the town of Taree, Australia.
  • C. Wynyard railway station
    Wynyard railway station is a major underground commuter rail hub in central Sydney, Australia, serving the city’s central business district.
  • D. Leura railway station
    Leura railway station is a heritage-listed train station in the Blue Mountains region of New South Wales, Australia, serving the village of Leura on the Main Western line.
  • E. Marsden railway station
    Marsden railway station is a small rural railway stop in West Yorkshire, England, serving the village of Marsden on the trans-Pennine route between Manchester and Huddersfield.
  • 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.