Triple
T6946929
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Melbourne Central railway station |
E160820
|
entity |
| Predicate | servesLine |
P839
|
FINISHED |
| Object | Werribee line |
E164136
|
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: Werribee line | Statement: [Melbourne Central railway station, servesLine, Werribee line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Werribee line Context triple: [Melbourne Central railway station, servesLine, Werribee line]
-
A.
Werribee line
chosen
The Werribee line is a suburban railway line in Melbourne, Australia, that runs from the central business district to the southwestern suburb of Werribee as part of the city’s metropolitan train network.
-
B.
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.
-
C.
Cranbourne line
The Cranbourne line is a suburban railway line in Melbourne, Australia, running from the central business district to the southeastern suburb of Cranbourne as part of the city’s metropolitan train network.
-
D.
Frankston line
The Frankston line is a major suburban railway line in Melbourne, Australia, running from the central business district to the bayside suburb of Frankston.
-
E.
Ballarat line
The Ballarat line is a regional railway service in Victoria, Australia, linking Melbourne with the city of Ballarat and surrounding western towns.
- 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_69c68850419081909fb426b8f5a304c7 |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6da8beb408190b5c87a354c614cf2 |
completed | March 27, 2026, 7:29 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c9493bf8088190bc59dd0e36d16a20 |
completed | March 29, 2026, 3:46 p.m. |
Created at: March 27, 2026, 2:28 p.m.