Triple
T4802506
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Adamawa Region |
E106866
|
entity |
| Predicate | railConnection |
P848
|
FINISHED |
| Object |
Transcameroon Railway
The Transcameroon Railway is a major rail line in Cameroon that links the country's central and northern regions, supporting both passenger travel and freight transport across key economic areas.
|
E468667
|
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: Transcameroon Railway | Statement: [Adamawa Region, railConnection, Transcameroon Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Transcameroon Railway Context triple: [Adamawa Region, railConnection, Transcameroon Railway]
-
A.
Bamako–Dakar Railway
The Bamako–Dakar Railway is a major West African rail line connecting Mali’s capital Bamako with Dakar in Senegal, facilitating regional trade and passenger transport.
-
B.
Tabora–Mpanda railway
The Tabora–Mpanda railway is a regional rail line in western Tanzania that connects the town of Tabora with Mpanda, supporting transport and economic activity across the area.
-
C.
Savanna railway
The Savanna railway is a historic Colombian rail line that serves the Bogotá savanna region, including the town of Zipaquirá, and is now best known for its tourist and heritage train services.
-
D.
Mombasa–Nairobi railway
The Mombasa–Nairobi railway is a major rail line in Kenya linking the coastal city of Mombasa with the capital Nairobi, historically significant for its role in colonial-era transport and regional development.
-
E.
Tabora–Kigoma railway
The Tabora–Kigoma railway is a key western Tanzanian rail line connecting the inland rail hub of Tabora to the port town of Kigoma on Lake Tanganyika, facilitating regional trade and passenger transport.
- 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: Transcameroon Railway Triple: [Adamawa Region, railConnection, Transcameroon Railway]
Generated description
The Transcameroon Railway is a major rail line in Cameroon that links the country's central and northern regions, supporting both passenger travel and freight transport across key economic areas.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Transcameroon Railway Target entity description: The Transcameroon Railway is a major rail line in Cameroon that links the country's central and northern regions, supporting both passenger travel and freight transport across key economic areas.
-
A.
Bamako–Dakar Railway
The Bamako–Dakar Railway is a major West African rail line connecting Mali’s capital Bamako with Dakar in Senegal, facilitating regional trade and passenger transport.
-
B.
Tabora–Mpanda railway
The Tabora–Mpanda railway is a regional rail line in western Tanzania that connects the town of Tabora with Mpanda, supporting transport and economic activity across the area.
-
C.
Savanna railway
The Savanna railway is a historic Colombian rail line that serves the Bogotá savanna region, including the town of Zipaquirá, and is now best known for its tourist and heritage train services.
-
D.
Mombasa–Nairobi railway
The Mombasa–Nairobi railway is a major rail line in Kenya linking the coastal city of Mombasa with the capital Nairobi, historically significant for its role in colonial-era transport and regional development.
-
E.
Tabora–Kigoma railway
The Tabora–Kigoma railway is a key western Tanzanian rail line connecting the inland rail hub of Tabora to the port town of Kigoma on Lake Tanganyika, facilitating regional trade and passenger transport.
- 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_69bd43f6a1e08190bf0a372bfc336ee5 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd6c42113081908824f3608e65cbff |
completed | March 20, 2026, 3:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be4400103c8190a5417fe75fb50f81 |
completed | March 21, 2026, 7:08 a.m. |
| NEDg | Description generation | batch_69be44a60c2c8190b47efae80379b21e |
completed | March 21, 2026, 7:11 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be4530fe5c8190aa976151cdd5bc7a |
completed | March 21, 2026, 7:13 a.m. |
Created at: March 20, 2026, 1:23 p.m.