Triple
T11258401
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Gautrain |
E266498
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
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.
|
E923353
|
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: OR Tambo station | Statement: [Gautrain, hasStation, OR Tambo station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: OR Tambo station Context triple: [Gautrain, hasStation, OR Tambo station]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Sandton Gautrain station
Sandton Gautrain station is a major rapid-rail hub in Johannesburg’s Sandton business district, serving as a key node on Gauteng’s Gautrain network and linking the area to other economic centers and the 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: OR Tambo station Triple: [Gautrain, hasStation, OR Tambo station]
Generated description
OR Tambo station is a Gautrain rapid rail station serving Johannesburg’s OR Tambo International Airport as its primary public transport link.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: OR Tambo station Target entity description: OR Tambo station is a Gautrain rapid rail station serving Johannesburg’s OR Tambo International Airport as its primary public transport link.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Sandton Gautrain station
Sandton Gautrain station is a major rapid-rail hub in Johannesburg’s Sandton business district, serving as a key node on Gauteng’s Gautrain network and linking the area to other economic centers and the 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_69d7e936cb048190b4d6fb2851ef8932 |
completed | April 9, 2026, 6 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e58af8bc988190805168188ed0a6aa |
completed | April 20, 2026, 2:10 a.m. |
| NEDg | Description generation | batch_69e59774e6648190a38b2515a83c2e0c |
completed | April 20, 2026, 3:03 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69e5a3abf24481908fb71f4ef6b13532 |
completed | April 20, 2026, 3:55 a.m. |
Created at: April 8, 2026, 9:31 p.m.