Triple
T548206
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Main Southern railway line |
E12777
|
entity |
| Predicate | hasSuburbanSection |
P15571
|
FINISHED |
| Object |
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.
|
E68838
|
NE FINISHED |
How this triple was built (5 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: T8 Airport & South Line (Sydney Trains) | Statement: [Main Southern railway line, hasSuburbanSection, T8 Airport & South Line (Sydney Trains)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: T8 Airport & South Line (Sydney Trains) Context triple: [Main Southern railway line, hasSuburbanSection, T8 Airport & South Line (Sydney Trains)]
-
A.
Sydney Trains
Sydney Trains is a government-owned suburban rail network operator serving the greater Sydney metropolitan area in New South Wales, Australia.
-
B.
T2 Inner West & Leppington Line (Sydney Trains)
The T2 Inner West & Leppington Line is a Sydney Trains suburban rail service that connects the Inner West suburbs with the Leppington area as part of the city's metropolitan passenger network.
-
C.
Sydney–Melbourne rail corridor
The Sydney–Melbourne rail corridor is a major intercity railway route linking Australia’s two largest cities and serving as a key passenger and freight transport spine in southeastern Australia.
-
D.
S1 Line
The S1 Line is a medium-capacity maglev rapid transit line in the Beijing Subway system serving the western suburbs of the city.
-
E.
North Coast railway line
The North Coast railway line is a major rail corridor in New South Wales, Australia, running along the state’s north coast and linking Sydney with Brisbane via numerous regional coastal centres.
- 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: T8 Airport & South Line (Sydney Trains) Triple: [Main Southern railway line, hasSuburbanSection, T8 Airport & South Line (Sydney Trains)]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: T8 Airport & South Line (Sydney Trains) Target entity description: 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.
-
A.
Sydney Trains
Sydney Trains is a government-owned suburban rail network operator serving the greater Sydney metropolitan area in New South Wales, Australia.
-
B.
T2 Inner West & Leppington Line (Sydney Trains)
The T2 Inner West & Leppington Line is a Sydney Trains suburban rail service that connects the Inner West suburbs with the Leppington area as part of the city's metropolitan passenger network.
-
C.
Sydney–Melbourne rail corridor
The Sydney–Melbourne rail corridor is a major intercity railway route linking Australia’s two largest cities and serving as a key passenger and freight transport spine in southeastern Australia.
-
D.
S1 Line
The S1 Line is a medium-capacity maglev rapid transit line in the Beijing Subway system serving the western suburbs of the city.
-
E.
North Coast railway line
The North Coast railway line is a major rail corridor in New South Wales, Australia, running along the state’s north coast and linking Sydney with Brisbane via numerous regional coastal centres.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasSuburbanSection Context triple: [Main Southern railway line, hasSuburbanSection, T8 Airport & South Line (Sydney Trains)]
-
A.
hasSuburbanCharacter
Indicates that something possesses qualities or features typically associated with suburban areas, such as lower density, residential focus, and car-oriented development.
-
B.
isResidentialSuburbOf
Indicates that one area is a residential suburb that is part of or lies within the urban region of another area.
-
C.
isSuburbanCityOf
Indicates that one city is a suburban municipality that is part of, or closely associated with, a larger primary city or metropolitan area.
-
D.
hasSubdivision
Indicates that one entity is divided into and contains another entity as one of its constituent parts or administrative units.
-
E.
hasNeighbourhood
Indicates that one entity is located within, or is associated with, a particular neighborhood area of another entity.
- F. None of above. chosen
Provenance (7 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_69a49334226c81908b0ea1689ef6aa3f |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a49900895c819092a131c185a758bf |
completed | March 1, 2026, 7:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4e02e0c1c81908fcb5356dc2b8f97 |
completed | March 2, 2026, 12:56 a.m. |
| NEDg | Description generation | batch_69a4e124306c8190bce165e684507553 |
completed | March 2, 2026, 1 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a4e1e73b0c8190b4f050f76f8e58de |
completed | March 2, 2026, 1:03 a.m. |
| PD | Predicate disambiguation | batch_69a494b957988190bc269e372df2f0b2 |
completed | March 1, 2026, 7:34 p.m. |
| PDg | Predicate description generation | batch_69a49858abd48190bd4b002a93e4a908 |
completed | March 1, 2026, 7:49 p.m. |
Created at: March 1, 2026, 7:32 p.m.