Triple
T4310354
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maitland railway station |
E94056
|
entity |
| Predicate | isOnLine |
P15096
|
FINISHED |
| Object | North Coast railway line |
E51288
|
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: North Coast railway line | Statement: [Maitland railway station, isOnLine, North Coast railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North Coast railway line Context triple: [Maitland railway station, isOnLine, North Coast railway line]
-
A.
North Coast railway line
chosen
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.
North Coast railway line
The North Coast railway line is a major rail corridor in Queensland, Australia, running along the state’s eastern seaboard and connecting key regional centres and cities.
-
C.
Illawarra railway line
The Illawarra railway line is a major suburban and intercity rail corridor in New South Wales, Australia, running from Sydney through the Illawarra region along the South Coast.
-
D.
North Coast Line
The North Coast Line is a major railway corridor in New South Wales, Australia, running along the state’s north coast and connecting Sydney with Brisbane and numerous regional centres.
-
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.
- 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_69b3451886588190a3dd1305ea7c58dc |
completed | March 12, 2026, 10:58 p.m. |
| NER | Named-entity recognition | batch_69b350d55d748190a57fabcf58782dba |
completed | March 12, 2026, 11:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5d07e7a288190b1fcd0075d14cd11 |
completed | March 14, 2026, 9:17 p.m. |
Created at: March 12, 2026, 11:11 p.m.