Triple
T22553949
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Port of Douala |
E557628
|
entity |
| Predicate | connectedTo |
P37
|
FINISHED |
| Object | Cameroon railway network |
—
|
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: Cameroon railway network | Statement: [Port of Douala, connectedTo, Cameroon railway network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cameroon railway network Context triple: [Port of Douala, connectedTo, Cameroon railway network]
-
A.
Transcameroon Railway
chosen
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.
-
B.
Trans-Gabon Railway
The Trans-Gabon Railway is a major rail line in Gabon that connects the inland mining regions to the Atlantic coast, serving as a key route for transporting minerals and goods across the country.
-
C.
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.
-
D.
Abidjan–Ouagadougou railway
The Abidjan–Ouagadougou railway is a major West African rail line linking the port city of Abidjan in Côte d'Ivoire with Ouagadougou, the capital of Burkina Faso, facilitating regional trade and passenger transport.
-
E.
Congo–Ocean railway network (eastern branch terminus)
The Congo–Ocean railway network (eastern branch terminus) is the endpoint of the eastern extension of the Congo–Ocean Railway, serving as a key rail terminus linking inland regions to the main line toward the Atlantic coast in the Republic of the Congo.
- 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_69e11e59db848190b4272ecd2b690ffd |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f15f780fb88190836408c6de3d3966 |
completed | April 29, 2026, 1:31 a.m. |
Created at: April 16, 2026, 8:52 p.m.