Triple
T12148305
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Salvokop Hill |
E289382
|
entity |
| Predicate | near |
P350
|
FINISHED |
| Object |
Pretoria railway station
Pretoria railway station is the main passenger rail hub in Pretoria, South Africa, serving as a key junction for regional and long-distance train services.
|
E964051
|
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: Pretoria railway station | Statement: [Salvokop Hill, near, Pretoria railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pretoria railway station Context triple: [Salvokop Hill, near, Pretoria railway station]
-
A.
Cape Town railway station
Cape Town railway station is the main central railway hub of Cape Town, serving as a key terminus for commuter and long-distance trains in the city.
-
B.
Pretoria Gautrain station
Pretoria Gautrain station is a major rapid-rail transit hub in Pretoria, South Africa, serving as a key stop on the Gautrain network linking the city with Johannesburg and surrounding areas.
-
C.
OR Tambo station
OR Tambo station is a Gautrain rapid rail station serving Johannesburg’s OR Tambo International Airport as its primary public transport link.
-
D.
Moses Mabhida railway station
Moses Mabhida railway station is a passenger rail station in Durban, South Africa, serving visitors to the nearby Moses Mabhida Stadium and surrounding areas.
-
E.
Johannesburg Park Station
Johannesburg Park Station is the main railway and intercity transport hub of Johannesburg, serving as a central node for commuter, regional, and long-distance train and bus services.
- 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: Pretoria railway station Triple: [Salvokop Hill, near, Pretoria railway station]
Generated description
Pretoria railway station is the main passenger rail hub in Pretoria, South Africa, serving as a key junction for regional and long-distance train services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pretoria railway station Target entity description: Pretoria railway station is the main passenger rail hub in Pretoria, South Africa, serving as a key junction for regional and long-distance train services.
-
A.
Cape Town railway station
Cape Town railway station is the main central railway hub of Cape Town, serving as a key terminus for commuter and long-distance trains in the city.
-
B.
Pretoria Gautrain station
Pretoria Gautrain station is a major rapid-rail transit hub in Pretoria, South Africa, serving as a key stop on the Gautrain network linking the city with Johannesburg and surrounding areas.
-
C.
OR Tambo station
OR Tambo station is a Gautrain rapid rail station serving Johannesburg’s OR Tambo International Airport as its primary public transport link.
-
D.
Moses Mabhida railway station
Moses Mabhida railway station is a passenger rail station in Durban, South Africa, serving visitors to the nearby Moses Mabhida Stadium and surrounding areas.
-
E.
Johannesburg Park Station
Johannesburg Park Station is the main railway and intercity transport hub of Johannesburg, serving as a central node for commuter, regional, and long-distance train and bus services.
- 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_69d6ab4c6710819097a9d228382dde43 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d915ad6ef08190b334a97d6ab41487 |
completed | April 10, 2026, 3:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f5f698c5648190a5a29e08f2b7d8ab |
completed | May 2, 2026, 1:05 p.m. |
| NEDg | Description generation | batch_69f5fed2d57881908103ce89a365cdd4 |
completed | May 2, 2026, 1:40 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f600bcaf288190b6204f985d3be638 |
completed | May 2, 2026, 1:48 p.m. |
Created at: April 8, 2026, 9:49 p.m.