Triple

T7902579
Position Surface form Disambiguated ID Type / Status
Subject Cardiff Millennium Stadium E183489 entity
Predicate operator P179 FINISHED
Object Millennium Stadium plc
Millennium Stadium plc is the company responsible for managing and operating the Millennium Stadium (now known as the Principality Stadium) in Cardiff, Wales.
 E183489 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: Millennium Stadium plc | Statement: [Cardiff Millennium Stadium, operator, Millennium Stadium plc]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Millennium Stadium plc
Context triple: [Cardiff Millennium Stadium, operator, Millennium Stadium plc]
  • A. Cardiff Millennium Stadium
    Cardiff Millennium Stadium is a major multi-purpose sports and entertainment venue in Cardiff, Wales, best known as the national stadium of the Welsh rugby union team and for hosting large-scale concerts and events.
  • B. Cardiff City Stadium
    Cardiff City Stadium is a major football venue in Cardiff, Wales, hosting both club matches and international fixtures for the Welsh national team.
  • C. Parc y Scarlets
    Parc y Scarlets is a modern rugby stadium in Llanelli, Wales, serving as the home ground of the Scarlets regional rugby union team.
  • D. Swansea.com Stadium
    Swansea.com Stadium is a modern football venue in Swansea, Wales, best known as the home ground of Swansea City A.F.C.
  • E. Vodafone Park
    Vodafone Park is a modern, all-seater football stadium in Istanbul, Turkey, known for hosting Beşiktaş JK matches and major sporting and entertainment events.
  • 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: Millennium Stadium plc
Triple: [Cardiff Millennium Stadium, operator, Millennium Stadium plc]
Generated description
Millennium Stadium plc is the company responsible for managing and operating the Millennium Stadium (now known as the Principality Stadium) in Cardiff, Wales.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Millennium Stadium plc
Target entity description: Millennium Stadium plc is the company responsible for managing and operating the Millennium Stadium (now known as the Principality Stadium) in Cardiff, Wales.
  • A. Cardiff Millennium Stadium chosen
    Cardiff Millennium Stadium is a major multi-purpose sports and entertainment venue in Cardiff, Wales, best known as the national stadium of the Welsh rugby union team and for hosting large-scale concerts and events.
  • B. Cardiff City Stadium
    Cardiff City Stadium is a major football venue in Cardiff, Wales, hosting both club matches and international fixtures for the Welsh national team.
  • C. Parc y Scarlets
    Parc y Scarlets is a modern rugby stadium in Llanelli, Wales, serving as the home ground of the Scarlets regional rugby union team.
  • D. Swansea.com Stadium
    Swansea.com Stadium is a modern football venue in Swansea, Wales, best known as the home ground of Swansea City A.F.C.
  • E. Vodafone Park
    Vodafone Park is a modern, all-seater football stadium in Istanbul, Turkey, known for hosting Beşiktaş JK matches and major sporting and entertainment events.
  • F. None of above.

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_69ca828d13088190b222be7aa9f9315c completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cb3a40a0508190864479c2c41b12cb completed March 31, 2026, 3:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69cb5bc35cec8190bda3dfe7d8d4ed18 completed March 31, 2026, 5:29 a.m.
NEDg Description generation batch_69cb7632cbbc819087107c8d2172a038 completed March 31, 2026, 7:22 a.m.
NED2 Entity disambiguation (via description) batch_69cbb64eee408190a66cbd0cba3054b4 completed March 31, 2026, 11:55 a.m.
Created at: March 30, 2026, 5:02 p.m.