Triple

T11258393
Position Surface form Disambiguated ID Type / Status
Subject Gautrain E266498 entity
Predicate hasStation P35 FINISHED
Object Marlboro station
Marlboro station is a rapid transit station on South Africa’s Gautrain system serving the Sandton–Alexandra area of Johannesburg.
 E914677 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: Marlboro station | Statement: [Gautrain, hasStation, Marlboro station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Marlboro station
Context triple: [Gautrain, hasStation, Marlboro station]
  • A. Tuxedo station
    Tuxedo station is a commuter rail stop in Tuxedo, New York, serving passengers on the Port Jervis Line between New York City and Orange County.
  • B. Atco station
    Atco station is a New Jersey Transit rail stop in Atco, New Jersey, serving passengers on the Atlantic City Line between Philadelphia and Atlantic City.
  • C. Laurel station
    Laurel station is a commuter rail stop in Laurel, Maryland, served by MARC's Camden Line between Washington, D.C., and Baltimore.
  • D. Patterson station
    Patterson station is a commuter rail stop in Patterson, New York, served by the Metro-North Railroad on its Harlem Line.
  • E. Victory Station
    Victory Station is a Dallas Area Rapid Transit (DART) light rail and commuter rail station located near the American Airlines Center in Dallas, Texas.
  • 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: Marlboro station
Triple: [Gautrain, hasStation, Marlboro station]
Generated description
Marlboro station is a rapid transit station on South Africa’s Gautrain system serving the Sandton–Alexandra area of Johannesburg.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Marlboro station
Target entity description: Marlboro station is a rapid transit station on South Africa’s Gautrain system serving the Sandton–Alexandra area of Johannesburg.
  • A. Tuxedo station
    Tuxedo station is a commuter rail stop in Tuxedo, New York, serving passengers on the Port Jervis Line between New York City and Orange County.
  • B. Atco station
    Atco station is a New Jersey Transit rail stop in Atco, New Jersey, serving passengers on the Atlantic City Line between Philadelphia and Atlantic City.
  • C. Laurel station
    Laurel station is a commuter rail stop in Laurel, Maryland, served by MARC's Camden Line between Washington, D.C., and Baltimore.
  • D. Patterson station
    Patterson station is a commuter rail stop in Patterson, New York, served by the Metro-North Railroad on its Harlem Line.
  • E. Victory Station
    Victory Station is a Dallas Area Rapid Transit (DART) light rail and commuter rail station located near the American Airlines Center in Dallas, Texas.
  • 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_69e4ccada158819080e49833e09f84a0 completed April 19, 2026, 12:38 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.