Triple
T16298455
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Elsies River |
E395712
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object |
Cape Town–Bellville line
The Cape Town–Bellville line is a key suburban railway corridor in the Cape Town metropolitan area, connecting the central city with its northern suburbs and commuter hubs.
|
E1205774
|
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: Cape Town–Bellville line | Statement: [Elsies River, railwayLine, Cape Town–Bellville line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cape Town–Bellville line Context triple: [Elsies River, railwayLine, Cape Town–Bellville line]
-
A.
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.
-
B.
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.
-
C.
Johannesburg–Swaziland line
The Johannesburg–Swaziland line is a railway route in southern Africa that connects Johannesburg in South Africa with Eswatini (formerly Swaziland), serving as an important corridor for regional transport and trade.
-
D.
Cape Town–Johannesburg corridor
The Cape Town–Johannesburg corridor is a major South African transport and economic axis linking Cape Town and Johannesburg through key road and rail routes that support significant trade and passenger movement.
-
E.
Mabopane Station corridor
The Mabopane Station corridor is a major public transport route and activity spine in the northern Pretoria region of South Africa, linking townships such as Soshanguve to the Mabopane railway station and surrounding economic hubs.
- 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: Cape Town–Bellville line Triple: [Elsies River, railwayLine, Cape Town–Bellville line]
Generated description
The Cape Town–Bellville line is a key suburban railway corridor in the Cape Town metropolitan area, connecting the central city with its northern suburbs and commuter hubs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cape Town–Bellville line Target entity description: The Cape Town–Bellville line is a key suburban railway corridor in the Cape Town metropolitan area, connecting the central city with its northern suburbs and commuter hubs.
-
A.
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.
-
B.
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.
-
C.
Johannesburg–Swaziland line
The Johannesburg–Swaziland line is a railway route in southern Africa that connects Johannesburg in South Africa with Eswatini (formerly Swaziland), serving as an important corridor for regional transport and trade.
-
D.
Cape Town–Johannesburg corridor
The Cape Town–Johannesburg corridor is a major South African transport and economic axis linking Cape Town and Johannesburg through key road and rail routes that support significant trade and passenger movement.
-
E.
Mabopane Station corridor
The Mabopane Station corridor is a major public transport route and activity spine in the northern Pretoria region of South Africa, linking townships such as Soshanguve to the Mabopane railway station and surrounding economic hubs.
- 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_69d87f23bb088190a16fbb91a1957ea5 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e25e30ee288190b78807b60cb18e22 |
completed | April 17, 2026, 4:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a001f9d7ef48190b7acebebcb9608c3 |
completed | May 10, 2026, 6:03 a.m. |
| NEDg | Description generation | batch_6a0021459c4081908e4c1d2e0bc8a5be |
completed | May 10, 2026, 6:10 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0022247e908190842ca6186b4e9c4c |
completed | May 10, 2026, 6:13 a.m. |
Created at: April 10, 2026, 5:06 a.m.