Triple
T14037497
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lobito |
E337749
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Benguela railway corridor |
E902780
|
NE FINISHED |
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: Benguela railway corridor | Statement: [Lobito, partOf, Benguela railway corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Benguela railway corridor Context triple: [Lobito, partOf, Benguela railway corridor]
-
A.
Benguela Railway
chosen
Benguela Railway is a major Angolan railway line that historically linked the country’s interior and neighboring regions to the Atlantic port of Lobito, serving as a key route for freight and passenger transport.
-
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.
Nacala Corridor
The Nacala Corridor is a major transport and logistics route in Mozambique and neighboring countries, linking inland mining and agricultural regions to the Indian Ocean via the Port of Nacala.
-
D.
Cape Town–Bulawayo railway
The Cape Town–Bulawayo railway is a major southern African rail line linking Cape Town in South Africa with Bulawayo in Zimbabwe, historically significant as a key north–south transport corridor.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d81c664e48819088cbd8f433aeffe5 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de30e312148190a6be0a3258364e6e |
completed | April 14, 2026, 12:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcb65a21088190a14808d09b2b9f42 |
completed | May 7, 2026, 3:57 p.m. |
Created at: April 9, 2026, 10:20 p.m.