Triple
T15185730
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | T4 Eastern Suburbs & Illawarra Line |
E362869
|
entity |
| Predicate | usesRailwayLine |
P15040
|
FINISHED |
| Object | Eastern Suburbs railway line |
E344906
|
NE FINISHED |
How this triple was built (2 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: Eastern Suburbs railway line | Statement: [T4 Eastern Suburbs & Illawarra Line, usesRailwayLine, Eastern Suburbs railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Eastern Suburbs railway line Context triple: [T4 Eastern Suburbs & Illawarra Line, usesRailwayLine, Eastern Suburbs railway line]
-
A.
Eastern Suburbs railway line
chosen
The Eastern Suburbs railway line is a major suburban rail line in Sydney, Australia, serving the city's eastern suburbs and forming part of the city's key passenger rail network.
-
B.
Greenbush Line
The Greenbush Line is a Massachusetts Bay Transportation Authority commuter rail route serving Boston’s South Station and several South Shore communities.
-
C.
Pakenham line
The Pakenham line is a suburban railway line in Melbourne, Australia, running from the central business district to the southeastern suburb of Pakenham as part of the city’s metropolitan train network.
-
D.
Mernda line
The Mernda line is a suburban railway line in Melbourne, Australia, running from the central business district to the northeastern suburb of Mernda as part of the city’s metropolitan train network.
-
E.
East Hills railway line
The East Hills railway line is a suburban rail corridor in Sydney, Australia, connecting the city’s central area with the south-western suburbs via Wolli Creek and other key stations.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d85a09a39c81908759f23268e2d408 |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e006674c088190ba635a78c30f5637 |
completed | April 15, 2026, 9:43 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fec895b59c81908a09f8393a35aa13 |
completed | May 9, 2026, 5:39 a.m. |
Created at: April 10, 2026, 3:09 a.m.