Triple
T16618446
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Upfield railway line |
E403755
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Melbourne Central railway station |
E160820
|
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: Melbourne Central railway station | Statement: [Upfield railway line, hasStation, Melbourne Central railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Melbourne Central railway station Context triple: [Upfield railway line, hasStation, Melbourne Central railway station]
-
A.
Melbourne Central railway station
chosen
Melbourne Central railway station is a major underground train station in Melbourne’s central business district, integrated with the Melbourne Central shopping centre and serving as a key hub on the city’s metropolitan rail network.
-
B.
Flinders Street Station
Flinders Street Station is Melbourne’s iconic central railway hub, renowned for its historic architecture and prominent location at the heart of the city.
-
C.
North Melbourne railway station
North Melbourne railway station is a major suburban railway station in Melbourne, Australia, serving as a key junction where multiple metropolitan lines converge just northwest of the city centre.
-
D.
Melbourne Street railway station
Melbourne Street railway station was the original name of what is now South Brisbane railway station, a key suburban rail stop in Brisbane, Queensland, Australia.
-
E.
Southern Cross Station
Southern Cross Station is a major railway and transport hub in Melbourne, Australia, renowned for its distinctive undulating roof and contemporary architectural design.
- 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_6a008a296a7481908aca94cf3d1f8d3b |
completed | May 10, 2026, 1:37 p.m. |
Created at: April 10, 2026, 5:17 a.m.