Triple

T3279471
Position Surface form Disambiguated ID Type / Status
Subject Sydney Central station E68837 entity
Predicate connectsTo P845 FINISHED
Object T4 Eastern Suburbs & Illawarra Line
The T4 Eastern Suburbs & Illawarra Line is a major Sydney Trains suburban rail line that runs from the city’s eastern suburbs through the southern suburbs to the Illawarra region.
E362869 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: T4 Eastern Suburbs & Illawarra Line | Statement: [Sydney Central station, connectsTo, T4 Eastern Suburbs & Illawarra Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: T4 Eastern Suburbs & Illawarra Line
Context triple: [Sydney Central station, connectsTo, T4 Eastern Suburbs & Illawarra Line]
  • A. T3 Bankstown Line
    The T3 Bankstown Line is a suburban passenger rail service in Sydney, Australia, connecting the city’s inner west and south-western suburbs via the Bankstown corridor.
  • B. T2 Inner West & Leppington Line
    The T2 Inner West & Leppington Line is a suburban passenger rail service in Sydney, Australia, connecting the Inner West suburbs and Leppington to the central business district and other parts of the metropolitan rail network.
  • C. Sydney to Blue Mountains Intercity Line
    The Sydney to Blue Mountains Intercity Line is a long-distance commuter rail service in New South Wales that connects central Sydney with the towns and scenic areas of the Blue Mountains region.
  • D. T8 Airport & South Line (Sydney Trains)
    T8 Airport & South Line (Sydney Trains) is a suburban passenger rail service in Sydney that connects the city centre with the airport and southern suburbs as part of the Sydney Trains network.
  • E. Greenbush Line
    The Greenbush Line is a Massachusetts Bay Transportation Authority commuter rail route serving Boston’s South Station and several South Shore communities.
  • 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: T4 Eastern Suburbs & Illawarra Line
Triple: [Sydney Central station, connectsTo, T4 Eastern Suburbs & Illawarra Line]
Generated description
The T4 Eastern Suburbs & Illawarra Line is a major Sydney Trains suburban rail line that runs from the city’s eastern suburbs through the southern suburbs to the Illawarra region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: T4 Eastern Suburbs & Illawarra Line
Target entity description: The T4 Eastern Suburbs & Illawarra Line is a major Sydney Trains suburban rail line that runs from the city’s eastern suburbs through the southern suburbs to the Illawarra region.
  • A. T3 Bankstown Line
    The T3 Bankstown Line is a suburban passenger rail service in Sydney, Australia, connecting the city’s inner west and south-western suburbs via the Bankstown corridor.
  • B. T2 Inner West & Leppington Line
    The T2 Inner West & Leppington Line is a suburban passenger rail service in Sydney, Australia, connecting the Inner West suburbs and Leppington to the central business district and other parts of the metropolitan rail network.
  • C. Sydney to Blue Mountains Intercity Line
    The Sydney to Blue Mountains Intercity Line is a long-distance commuter rail service in New South Wales that connects central Sydney with the towns and scenic areas of the Blue Mountains region.
  • D. T8 Airport & South Line (Sydney Trains)
    T8 Airport & South Line (Sydney Trains) is a suburban passenger rail service in Sydney that connects the city centre with the airport and southern suburbs as part of the Sydney Trains network.
  • E. Greenbush Line
    The Greenbush Line is a Massachusetts Bay Transportation Authority commuter rail route serving Boston’s South Station and several South Shore communities.
  • 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_69b373911a00819092e4436b6a931d61 completed March 13, 2026, 2:16 a.m.
NEDg Description generation batch_69b374d51a3c8190846baf5e147287bf completed March 13, 2026, 2:22 a.m.
NED2 Entity disambiguation (via description) batch_69b37564bd988190a8e00e571dd04001 completed March 13, 2026, 2:24 a.m.
Created at: March 8, 2026, 3:10 p.m.