Triple
T19145478
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Transcameroon Railway |
E468667
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
Camrail
Camrail is a railway company that operates much of Cameroon’s national rail network, providing freight and passenger transport services.
|
E1360733
|
NE FINISHED |
How this triple was built (4 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: [Transcameroon Railway, operator, Camrail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Camrail Context triple: [Transcameroon Railway, operator, Camrail]
-
A.
Sankrail
Sankrail is a town and administrative area in the Howrah district of West Bengal, India, known as part of the Kolkata metropolitan region.
-
B.
Takargo Rail
Takargo Rail is a Portuguese freight railway company that operates cargo transport services across the national rail network and into neighboring countries.
-
C.
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.
-
D.
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.
-
E.
Rata
Rata is the Spanish nickname for the Soviet Polikarpov I-16, a pioneering monoplane fighter aircraft widely used during the Spanish Civil War.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Camrail Triple: [Transcameroon Railway, operator, Camrail]
Generated description
Camrail is a railway company that operates much of Cameroon’s national rail network, providing freight and passenger transport services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Camrail Target entity description: Camrail is a railway company that operates much of Cameroon’s national rail network, providing freight and passenger transport services.
-
A.
Sankrail
Sankrail is a town and administrative area in the Howrah district of West Bengal, India, known as part of the Kolkata metropolitan region.
-
B.
Takargo Rail
Takargo Rail is a Portuguese freight railway company that operates cargo transport services across the national rail network and into neighboring countries.
-
C.
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.
-
D.
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.
-
E.
Rata
Rata is the Spanish nickname for the Soviet Polikarpov I-16, a pioneering monoplane fighter aircraft widely used during the Spanish Civil War.
- F. None of above. chosen
Provenance (5 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_69d8dd084ff48190ac0f8c46ee722629 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5e978b0b481909a531efa030c5def |
completed | April 20, 2026, 8:53 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a06f24e34c4819090954c2b79ab20bb |
completed | May 15, 2026, 10:15 a.m. |
| NEDg | Description generation | batch_6a06f366e514819080de839bdde22fc2 |
completed | May 15, 2026, 10:20 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a06f4039ca881908679e5da604eea50 |
completed | May 15, 2026, 10:22 a.m. |
Created at: April 10, 2026, 12:06 p.m.