Triple
T16618442
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Upfield railway line |
E403755
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object | Craigieburn railway line |
E158342
|
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: Craigieburn railway line | Statement: [Upfield railway line, connectsWith, Craigieburn railway line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Craigieburn railway line Context triple: [Upfield railway line, connectsWith, Craigieburn railway line]
-
A.
Craigieburn line
chosen
The Craigieburn line is a suburban railway line in Melbourne, Australia, running from the central business district to the northern suburb of Craigieburn as part of the city’s metropolitan train network.
-
B.
Perth–Ladybank railway line
The Perth–Ladybank railway line is a rail route in eastern Scotland that connects the city of Perth with the village of Ladybank, forming part of the regional passenger and freight network in Fife and Perth and Kinross.
-
C.
Kinleith Branch railway line
The Kinleith Branch railway line is a New Zealand rail line in the Waikato region that primarily serves freight traffic, especially from the Kinleith pulp and paper mill, connecting it to the national rail network.
-
D.
Goldfields Railway
Goldfields Railway is a preserved heritage railway in New Zealand that operates vintage trains for tourists and rail enthusiasts along a historic mining-era line.
-
E.
Perth and Dunkeld Railway
The Perth and Dunkeld Railway was a 19th-century Scottish railway company that built and operated the line connecting Perth to Dunkeld, later becoming part of the Highland Railway network.
- 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_6a007db0b4348190beb573bc3df98125 |
completed | May 10, 2026, 12:44 p.m. |
Created at: April 10, 2026, 5:17 a.m.