Triple
T548207
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Main Southern railway line |
E12777
|
entity |
| Predicate | hasSuburbanSection |
P15571
|
FINISHED |
| Object |
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.
|
E68312
|
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: T2 Inner West & Leppington Line (Sydney Trains) | Statement: [Main Southern railway line, hasSuburbanSection, T2 Inner West & Leppington Line (Sydney Trains)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: T2 Inner West & Leppington Line (Sydney Trains) Context triple: [Main Southern railway line, hasSuburbanSection, T2 Inner West & Leppington Line (Sydney Trains)]
-
A.
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.
-
B.
LRT Line 2
LRT Line 2 is an elevated rapid transit line in Metro Manila, Philippines, running east–west and serving major areas including Quezon City, Manila, and Pasig.
-
C.
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.
-
D.
Line 4 Sheppard
Line 4 Sheppard is a short, east–west subway line in Toronto’s transit system that primarily serves the Sheppard Avenue corridor in the city’s north end.
-
E.
Atherton line
The Atherton line is a suburban railway route in Greater Manchester, England, connecting Manchester with towns such as Swinton, Walkden, and Atherton.
- 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: T2 Inner West & Leppington Line (Sydney Trains) Triple: [Main Southern railway line, hasSuburbanSection, T2 Inner West & Leppington Line (Sydney Trains)]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: T2 Inner West & Leppington Line (Sydney Trains) Target entity description: 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.
-
A.
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.
-
B.
LRT Line 2
LRT Line 2 is an elevated rapid transit line in Metro Manila, Philippines, running east–west and serving major areas including Quezon City, Manila, and Pasig.
-
C.
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.
-
D.
Line 4 Sheppard
Line 4 Sheppard is a short, east–west subway line in Toronto’s transit system that primarily serves the Sheppard Avenue corridor in the city’s north end.
-
E.
Atherton line
The Atherton line is a suburban railway route in Greater Manchester, England, connecting Manchester with towns such as Swinton, Walkden, and Atherton.
- 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_69a49334226c81908b0ea1689ef6aa3f |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a49d278cf88190ad1368da91a7014f |
completed | March 1, 2026, 8:10 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4d044b03c8190b7c87b0da05e4d6e |
completed | March 1, 2026, 11:48 p.m. |
| NEDg | Description generation | batch_69a4d0daca588190a6a1865ae3d12c71 |
completed | March 1, 2026, 11:50 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a4d18801248190afedd4ea5f718bd7 |
completed | March 1, 2026, 11:53 p.m. |
Created at: March 1, 2026, 7:32 p.m.