Triple
T19145212
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ngaoundéré |
E468660
|
entity |
| Predicate | railwayTerminusOf |
P21210
|
FINISHED |
| Object |
Camrail northern line
The Camrail northern line is a major railway route in Cameroon that connects the northern city of Ngaoundéré with the country’s southern rail network, facilitating passenger and freight transport across the region.
|
E1360720
|
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 northern line | Statement: [Ngaoundéré, railwayTerminusOf, Camrail northern line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Camrail northern line Context triple: [Ngaoundéré, railwayTerminusOf, Camrail northern line]
-
A.
Northumberland Line
The Northumberland Line is a passenger rail route in North East England being reopened to connect communities such as Ashington with Newcastle and the wider rail network.
-
B.
Newcastle Line
The Newcastle Line is a suburban and intercity railway corridor in New South Wales, Australia, serving the city of Newcastle and connecting it with surrounding regions.
-
C.
Midland Line
The Midland Line is a scenic New Zealand railway route across the South Island, best known today for carrying the TranzAlpine passenger service between Christchurch and Greymouth through the Southern Alps.
-
D.
North East railway line
The North East railway line is a key rail corridor in Victoria, Australia, connecting Melbourne with the state’s northeast region and forming part of the main interstate route to Sydney.
-
E.
North–South Railway
The North–South Railway is Vietnam’s principal rail line, running the length of the country and connecting major cities from Hanoi to Ho Chi Minh City.
- 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 northern line Triple: [Ngaoundéré, railwayTerminusOf, Camrail northern line]
Generated description
The Camrail northern line is a major railway route in Cameroon that connects the northern city of Ngaoundéré with the country’s southern rail network, facilitating passenger and freight transport across the region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Camrail northern line Target entity description: The Camrail northern line is a major railway route in Cameroon that connects the northern city of Ngaoundéré with the country’s southern rail network, facilitating passenger and freight transport across the region.
-
A.
Northumberland Line
The Northumberland Line is a passenger rail route in North East England being reopened to connect communities such as Ashington with Newcastle and the wider rail network.
-
B.
Newcastle Line
The Newcastle Line is a suburban and intercity railway corridor in New South Wales, Australia, serving the city of Newcastle and connecting it with surrounding regions.
-
C.
Midland Line
The Midland Line is a scenic New Zealand railway route across the South Island, best known today for carrying the TranzAlpine passenger service between Christchurch and Greymouth through the Southern Alps.
-
D.
North East railway line
The North East railway line is a key rail corridor in Victoria, Australia, connecting Melbourne with the state’s northeast region and forming part of the main interstate route to Sydney.
-
E.
North–South Railway
The North–South Railway is Vietnam’s principal rail line, running the length of the country and connecting major cities from Hanoi to Ho Chi Minh City.
- 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.