Triple
T16618195
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | City of Merri-bek |
E403748
|
entity |
| Predicate | hasTransport |
P1298
|
FINISHED |
| Object | Upfield railway line |
E403755
|
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: Upfield railway line | Statement: [City of Merri-bek, hasTransport, Upfield railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Upfield railway line Context triple: [City of Merri-bek, hasTransport, Upfield railway line]
-
A.
Upfield railway line
chosen
The Upfield railway line is a suburban passenger rail corridor in Melbourne, Australia, running through the city’s northern suburbs to serve local commuters.
-
B.
Belair railway line
The Belair railway line is a suburban rail corridor in Adelaide, South Australia, running through the Adelaide Hills and serving as a key commuter route between the city and its southeastern suburbs.
-
C.
Tonsley railway line
The Tonsley railway line is a suburban rail line in Adelaide, South Australia, serving the city’s southern suburbs and connecting them to the broader metropolitan rail network.
-
D.
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.
-
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_69d883897eb481909eaaa088ba9918d9 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e3754bc4cc8190a586732fc6507b40 |
completed | April 18, 2026, 12:12 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a007daef18481908c3628a3466300ce |
completed | May 10, 2026, 12:44 p.m. |
Created at: April 10, 2026, 5:17 a.m.