Triple
T7761039
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ermelo |
E176019
|
entity |
| Predicate | isRailwayJunctionOn |
P14468
|
FINISHED |
| Object |
Johannesburg–Richards Bay line
The Johannesburg–Richards Bay line is a major South African heavy-haul railway corridor that links the inland economic hub around Johannesburg with the deep-water port of Richards Bay, primarily for bulk freight such as coal.
|
E688362
|
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: Johannesburg–Richards Bay line | Statement: [Ermelo, isRailwayJunctionOn, Johannesburg–Richards Bay line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Johannesburg–Richards Bay line Context triple: [Ermelo, isRailwayJunctionOn, Johannesburg–Richards Bay line]
-
A.
Durban–Johannesburg corridor
The Durban–Johannesburg corridor is a major South African transport and economic artery linking the coastal port city of Durban with the inland metropolis of Johannesburg.
-
B.
KwaDukuza–Durban corridor
The KwaDukuza–Durban corridor is a rapidly developing coastal economic and transport belt in KwaZulu-Natal, South Africa, linking the city of Durban with the town of KwaDukuza through urban, industrial, and residential growth.
-
C.
East London line
The East London line is a key London Overground route running through east and south London, connecting areas such as Highbury & Islington, Shoreditch, Whitechapel, and Croydon.
-
D.
Livingstone–Lusaka–Kabwe–Ndola line
The Livingstone–Lusaka–Kabwe–Ndola line is a principal north–south railway route in Zambia that links major urban and industrial centers from the southern border at Livingstone through the capital Lusaka to the Copperbelt region.
-
E.
Southern African rail network
The Southern African rail network is a regional system of interconnected railway lines linking multiple countries in Southern Africa to support trade, passenger transport, and economic integration.
- 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: Johannesburg–Richards Bay line Triple: [Ermelo, isRailwayJunctionOn, Johannesburg–Richards Bay line]
Generated description
The Johannesburg–Richards Bay line is a major South African heavy-haul railway corridor that links the inland economic hub around Johannesburg with the deep-water port of Richards Bay, primarily for bulk freight such as coal.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Johannesburg–Richards Bay line Target entity description: The Johannesburg–Richards Bay line is a major South African heavy-haul railway corridor that links the inland economic hub around Johannesburg with the deep-water port of Richards Bay, primarily for bulk freight such as coal.
-
A.
Durban–Johannesburg corridor
The Durban–Johannesburg corridor is a major South African transport and economic artery linking the coastal port city of Durban with the inland metropolis of Johannesburg.
-
B.
KwaDukuza–Durban corridor
The KwaDukuza–Durban corridor is a rapidly developing coastal economic and transport belt in KwaZulu-Natal, South Africa, linking the city of Durban with the town of KwaDukuza through urban, industrial, and residential growth.
-
C.
East London line
The East London line is a key London Overground route running through east and south London, connecting areas such as Highbury & Islington, Shoreditch, Whitechapel, and Croydon.
-
D.
Livingstone–Lusaka–Kabwe–Ndola line
The Livingstone–Lusaka–Kabwe–Ndola line is a principal north–south railway route in Zambia that links major urban and industrial centers from the southern border at Livingstone through the capital Lusaka to the Copperbelt region.
-
E.
Southern African rail network
The Southern African rail network is a regional system of interconnected railway lines linking multiple countries in Southern Africa to support trade, passenger transport, and economic integration.
- 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_69c69962923c8190ac74d28b4f9fe0a0 |
completed | March 27, 2026, 2:51 p.m. |
| NER | Named-entity recognition | batch_69c708b13c688190839c920ec196cada |
completed | March 27, 2026, 10:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8d6c8276c8190bdc3efc2a6175610 |
completed | March 29, 2026, 7:37 a.m. |
| NEDg | Description generation | batch_69c8d90770388190b3793f4d18ba9fd8 |
completed | March 29, 2026, 7:47 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c8d9c3167081909e2cd0fa20e7752e |
completed | March 29, 2026, 7:50 a.m. |
Created at: March 27, 2026, 4:09 p.m.