Triple

T2435515
Position Surface form Disambiguated ID Type / Status
Subject Centurion E52950 entity
Predicate hasGautrainStation P726 FINISHED
Object 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.
E266481 NE FINISHED

How this triple was built (5 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: Centurion Gautrain station | Statement: [Centurion, hasGautrainStation, Centurion Gautrain station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Centurion Gautrain station
Context triple: [Centurion, hasGautrainStation, Centurion Gautrain station]
  • A. Zorge MCC station
    Zorge MCC station is a passenger railway station on Moscow’s urban Moscow Central Circle line, serving as part of the city’s orbital commuter rail network.
  • B. Kipling station
    Kipling station is a major western transit hub in Toronto that connects the subway system with regional buses and commuter services.
  • C. Hall/Nimbus station
    Hall/Nimbus station is a commuter rail stop in Beaverton, Oregon, serving TriMet’s WES Commuter Rail line in the Portland metropolitan area.
  • D. St. Martins station
    St. Martins station is a regional rail stop in Philadelphia, Pennsylvania, serving the Chestnut Hill West Line of SEPTA.
  • E. Lechmere station
    Lechmere station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the East Cambridge neighborhood of Cambridge, Massachusetts.
  • 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: Centurion Gautrain station
Triple: [Centurion, hasGautrainStation, Centurion Gautrain station]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Centurion Gautrain station
Target entity description: 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.
  • A. Zorge MCC station
    Zorge MCC station is a passenger railway station on Moscow’s urban Moscow Central Circle line, serving as part of the city’s orbital commuter rail network.
  • B. Kipling station
    Kipling station is a major western transit hub in Toronto that connects the subway system with regional buses and commuter services.
  • C. Hall/Nimbus station
    Hall/Nimbus station is a commuter rail stop in Beaverton, Oregon, serving TriMet’s WES Commuter Rail line in the Portland metropolitan area.
  • D. St. Martins station
    St. Martins station is a regional rail stop in Philadelphia, Pennsylvania, serving the Chestnut Hill West Line of SEPTA.
  • E. Lechmere station
    Lechmere station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the East Cambridge neighborhood of Cambridge, Massachusetts.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasGautrainStation
Context triple: [Centurion, hasGautrainStation, Centurion Gautrain station]
  • A. hasTransportHub
    Indicates that a location contains or serves as a central facility where multiple transport routes or modes connect for passenger or cargo movement.
  • B. hasBusStation
    Indicates that a place or area contains or is served by a bus station.
  • C. hasRailStation chosen
    Indicates that one entity possesses, contains, or is served by a rail station.
  • D. hasEndpointStation
    Indicates that something (such as a route, line, or service) has a specific station as one of its terminal endpoints.
  • E. hasShuttleLine
    Indicates that there is a shuttle service or route operating between the related entities.
  • F. None of above.

Provenance (6 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_69ab4959bcc0819083246f9fb10439e3 completed March 6, 2026, 9:38 p.m.
NER Named-entity recognition batch_69abcebf7cac8190889e6890d72c256c completed March 7, 2026, 7:07 a.m.
NED1 Entity disambiguation (via context triple) batch_69aebf6e23088190b0ce2feaa3eddda4 completed March 9, 2026, 12:39 p.m.
NEDg Description generation batch_69aec7eb422c8190a568a8e1e98cbca8 completed March 9, 2026, 1:15 p.m.
NED2 Entity disambiguation (via description) batch_69aecc1438588190a87c15cbfe48ba7f completed March 9, 2026, 1:33 p.m.
PD Predicate disambiguation batch_69abc5ac11b081908ce6a506e81a742a completed March 7, 2026, 6:29 a.m.
Created at: March 6, 2026, 9:43 p.m.