Triple

T11258397
Position Surface form Disambiguated ID Type / Status
Subject Gautrain E266498 entity
Predicate hasStation P35 FINISHED
Object Hatfield station
Hatfield station is a major Gautrain rapid-rail station in Pretoria, South Africa, serving as a key hub for commuters and travelers in the Hatfield area.
E916803 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: Hatfield station | Statement: [Gautrain, hasStation, Hatfield station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hatfield station
Context triple: [Gautrain, hasStation, Hatfield station]
  • A. Hatfield railway station
    Hatfield railway station is a commuter and regional rail station serving the town of Hatfield in Hertfordshire, England, on the East Coast Main Line north of London.
  • B. Hastings station
    Hastings station is a small commuter rail stop in Weston, Massachusetts, served by the MBTA's Framingham/Worcester Line.
  • C. St. Albans station
    St. Albans station is a Long Island Rail Road commuter rail stop in the St. Albans neighborhood of Queens, New York City.
  • D. St. Albans station
    St. Albans station is a passenger rail station in St. Albans, Vermont, serving as the northern terminus for Amtrak’s Vermonter route.
  • E. Kent Station
    Kent Station is a commuter rail station in Kent, Washington, served by Sound Transit’s Sounder South Line and integrated with local bus and park-and-ride facilities.
  • 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: Hatfield station
Triple: [Gautrain, hasStation, Hatfield station]
Generated description
Hatfield station is a major Gautrain rapid-rail station in Pretoria, South Africa, serving as a key hub for commuters and travelers in the Hatfield area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hatfield station
Target entity description: Hatfield station is a major Gautrain rapid-rail station in Pretoria, South Africa, serving as a key hub for commuters and travelers in the Hatfield area.
  • A. Hatfield railway station
    Hatfield railway station is a commuter and regional rail station serving the town of Hatfield in Hertfordshire, England, on the East Coast Main Line north of London.
  • B. Hastings station
    Hastings station is a small commuter rail stop in Weston, Massachusetts, served by the MBTA's Framingham/Worcester Line.
  • C. St. Albans station
    St. Albans station is a Long Island Rail Road commuter rail stop in the St. Albans neighborhood of Queens, New York City.
  • D. St. Albans station
    St. Albans station is a passenger rail station in St. Albans, Vermont, serving as the northern terminus for Amtrak’s Vermonter route.
  • E. Kent Station
    Kent Station is a commuter rail station in Kent, Washington, served by Sound Transit’s Sounder South Line and integrated with local bus and park-and-ride facilities.
  • 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_69e509f7d404819086cf5d062edbaff5 completed April 19, 2026, 4:59 p.m.
NEDg Description generation batch_69e510f7bec08190989118b6e4a7fa49 completed April 19, 2026, 5:29 p.m.
NED2 Entity disambiguation (via description) batch_69e5168c8da0819093bf61d8ea5f9e35 completed April 19, 2026, 5:53 p.m.
Created at: April 8, 2026, 9:31 p.m.