Triple
T23348499
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Yaoundé railway station |
E591935
|
entity |
| Predicate | ownedBy |
P347
|
FINISHED |
| Object | Camrail |
—
|
NE NERFINISHED |
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: Camrail | Statement: [Yaoundé railway station, ownedBy, Camrail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Camrail Context triple: [Yaoundé railway station, ownedBy, Camrail]
-
A.
Camrail
chosen
Camrail is a railway company that operates much of Cameroon’s national rail network, providing freight and passenger transport services.
-
B.
Sankrail
Sankrail is a town and administrative area in the Howrah district of West Bengal, India, known as part of the Kolkata metropolitan region.
-
C.
Takargo Rail
Takargo Rail is a Portuguese freight railway company that operates cargo transport services across the national rail network and into neighboring countries.
-
D.
Eungai Rail
Eungai Rail is a small rural locality in the Nambucca Valley region of New South Wales, Australia, historically centered around its railway station on the North Coast line.
-
E.
Stagecoach Rail
Stagecoach Rail was the rail transport division of Stagecoach Group, operating passenger train services in the United Kingdom before the brand was retired.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e25d20e3d08190bcede87673cafb25 |
completed | April 17, 2026, 4:17 p.m. |
| NER | Named-entity recognition | batch_69f199cb2a3c8190a5c0c8d8735256c7 |
completed | April 29, 2026, 5:40 a.m. |
Created at: April 17, 2026, 5:19 p.m.