Triple

T13741375
Position Surface form Disambiguated ID Type / Status
Subject Cardiff City Stadium E330092 entity
Predicate publicTransit P1288 FINISHED
Object Grangetown railway station
Grangetown railway station is a suburban rail stop in Cardiff, Wales, serving the Grangetown area and providing convenient access to key local destinations including Cardiff City Stadium.
 E1067422 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: Grangetown railway station | Statement: [Cardiff City Stadium, publicTransit, Grangetown railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Grangetown railway station
Context triple: [Cardiff City Stadium, publicTransit, Grangetown railway station]
  • A. Bridgend railway station
    Bridgend railway station is the main railway hub serving the town of Bridgend in South Wales, providing regional and intercity rail connections.
  • B. Llanishen railway station
    Llanishen railway station is a suburban rail stop in Cardiff, Wales, providing local commuter services on the Valley Lines network.
  • C. Ystrad Mynach railway station
    Ystrad Mynach railway station is a commuter rail stop in Caerphilly County Borough, Wales, providing local and regional services on the Valley Lines network.
  • D. Llandaf railway station
    Llandaf railway station is a suburban rail stop serving the Llandaff area of Cardiff, Wales, providing local commuter services on the Coryton Line.
  • E. Rhymney railway station
    Rhymney railway station is a passenger rail station in Rhymney, Wales, forming the northern terminus of a commuter route into Cardiff.
  • 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: Grangetown railway station
Triple: [Cardiff City Stadium, publicTransit, Grangetown railway station]
Generated description
Grangetown railway station is a suburban rail stop in Cardiff, Wales, serving the Grangetown area and providing convenient access to key local destinations including Cardiff City Stadium.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Grangetown railway station
Target entity description: Grangetown railway station is a suburban rail stop in Cardiff, Wales, serving the Grangetown area and providing convenient access to key local destinations including Cardiff City Stadium.
  • A. Bridgend railway station
    Bridgend railway station is the main railway hub serving the town of Bridgend in South Wales, providing regional and intercity rail connections.
  • B. Llanishen railway station
    Llanishen railway station is a suburban rail stop in Cardiff, Wales, providing local commuter services on the Valley Lines network.
  • C. Ystrad Mynach railway station
    Ystrad Mynach railway station is a commuter rail stop in Caerphilly County Borough, Wales, providing local and regional services on the Valley Lines network.
  • D. Llandaf railway station
    Llandaf railway station is a suburban rail stop serving the Llandaff area of Cardiff, Wales, providing local commuter services on the Coryton Line.
  • E. Rhymney railway station
    Rhymney railway station is a passenger rail station in Rhymney, Wales, forming the northern terminus of a commuter route into Cardiff.
  • 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_69d80772315881908f980cae40d91664 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69de0206a4b88190a60914e2b43e54f9 completed April 14, 2026, 8:59 a.m.
NED1 Entity disambiguation (via context triple) batch_69f7c6fe88348190aa9803f7d6d67023 completed May 3, 2026, 10:06 p.m.
NEDg Description generation batch_69f7c807e70c8190b15a7d4608a17591 completed May 3, 2026, 10:11 p.m.
NED2 Entity disambiguation (via description) batch_69f7c8f2b5588190b6143d676eb648a0 completed May 3, 2026, 10:15 p.m.
Created at: April 9, 2026, 9:55 p.m.