Triple

T16664787
Position Surface form Disambiguated ID Type / Status
Subject Maesteg Line E404952 entity
Predicate hasStation P35 FINISHED
Object Sarn railway station
Sarn railway station is a small commuter rail stop serving the village of Sarn in Bridgend County Borough, Wales, on the Maesteg Line.
 E1226328 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: Sarn railway station | Statement: [Maesteg Line, hasStation, Sarn railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sarn railway station
Context triple: [Maesteg Line, hasStation, Sarn railway station]
  • A. Barnes railway station
    Barnes railway station is a suburban rail station in the London Borough of Richmond upon Thames, serving the Barnes area with South Western Railway services into central London and surrounding destinations.
  • B. Snodland railway station
    Snodland railway station is a local rail stop in Kent, England, providing passenger services on the Medway Valley Line.
  • C. Scone Railway Station
    Scone Railway Station is a historic railway station in Scone, New South Wales, Australia, recognized for its heritage-listed architecture and role in the region’s rail network.
  • D. Bryn station
    Bryn station is a metro station in Oslo, Norway, on the city’s rapid transit network.
  • E. Crowle railway station
    Crowle railway station is a small rural train stop in North Lincolnshire, England, serving the town of Crowle on the line between Doncaster and Scunthorpe.
  • 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: Sarn railway station
Triple: [Maesteg Line, hasStation, Sarn railway station]
Generated description
Sarn railway station is a small commuter rail stop serving the village of Sarn in Bridgend County Borough, Wales, on the Maesteg Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Sarn railway station
Target entity description: Sarn railway station is a small commuter rail stop serving the village of Sarn in Bridgend County Borough, Wales, on the Maesteg Line.
  • A. Barnes railway station
    Barnes railway station is a suburban rail station in the London Borough of Richmond upon Thames, serving the Barnes area with South Western Railway services into central London and surrounding destinations.
  • B. Snodland railway station
    Snodland railway station is a local rail stop in Kent, England, providing passenger services on the Medway Valley Line.
  • C. Scone Railway Station
    Scone Railway Station is a historic railway station in Scone, New South Wales, Australia, recognized for its heritage-listed architecture and role in the region’s rail network.
  • D. Bryn station
    Bryn station is a metro station in Oslo, Norway, on the city’s rapid transit network.
  • E. Crowle railway station
    Crowle railway station is a small rural train stop in North Lincolnshire, England, serving the town of Crowle on the line between Doncaster and Scunthorpe.
  • 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_69d8838b5fbc81908c6575c132b82e80 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e37c9be0688190afda306cde934c68 completed April 18, 2026, 12:44 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0084d21ed4819089fc70f92653694d completed May 10, 2026, 1:14 p.m.
NEDg Description generation batch_6a0085e04fc08190b974be9d6e27413d completed May 10, 2026, 1:19 p.m.
NED2 Entity disambiguation (via description) batch_6a00868e55dc8190bfc7cd1b78ec4d6d completed May 10, 2026, 1:22 p.m.
Created at: April 10, 2026, 5:18 a.m.