Triple
T11257719
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Centurion Gautrain station |
E266481
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object |
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.
|
E914649
|
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 Gautrain station | Statement: [Centurion Gautrain station, connectsTo, Pretoria Gautrain station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pretoria Gautrain station Context triple: [Centurion Gautrain station, connectsTo, Pretoria Gautrain station]
-
A.
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.
-
B.
Maputo Railway Station
Maputo Railway Station is a historic and architecturally notable train station in Mozambique’s capital, often regarded as one of the most beautiful railway stations in the world.
-
C.
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.
-
D.
Midrand station
Midrand station is a Gautrain rapid rail station in Midrand, South Africa, serving as a key commuter link between Johannesburg and Pretoria.
-
E.
Centurion Gautrain station
Centurion Gautrain station is a rapid rail transit station in Centurion, South Africa, serving as part of the Gautrain network that connects Pretoria, Johannesburg, and OR Tambo International Airport.
- 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 Gautrain station Triple: [Centurion Gautrain station, connectsTo, Pretoria Gautrain station]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pretoria Gautrain station Target entity description: 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.
-
A.
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.
-
B.
Maputo Railway Station
Maputo Railway Station is a historic and architecturally notable train station in Mozambique’s capital, often regarded as one of the most beautiful railway stations in the world.
-
C.
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.
-
D.
Midrand station
Midrand station is a Gautrain rapid rail station in Midrand, South Africa, serving as a key commuter link between Johannesburg and Pretoria.
-
E.
Centurion Gautrain station
Centurion Gautrain station is a rapid rail transit station in Centurion, South Africa, serving as part of the Gautrain network that connects Pretoria, Johannesburg, and OR Tambo International Airport.
- 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_69d6aac7953c8190b82caf9d7640fdf9 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e935b85c819085e1abf2dd4099c5 |
completed | April 9, 2026, 6 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e4cca0d25c8190bfdbe1f6ee3b04cb |
completed | April 19, 2026, 12:37 p.m. |
| NEDg | Description generation | batch_69e4d9ec9964819084bd7118e49c41a2 |
completed | April 19, 2026, 1:34 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69e4ddab4ef48190ab7f371da765c6c0 |
completed | April 19, 2026, 1:50 p.m. |
Created at: April 8, 2026, 9:31 p.m.