Triple

T12587183
Position Surface form Disambiguated ID Type / Status
Subject West Midlands Metro E300495 entity
Predicate formerOperator P179 FINISHED
Object Travel Midland Metro
Travel Midland Metro was the original operating company responsible for running light rail services on the Midland Metro system in England’s West Midlands region.
E992529 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: Travel Midland Metro | Statement: [West Midlands Metro, formerOperator, Travel Midland Metro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Travel Midland Metro
Context triple: [West Midlands Metro, formerOperator, Travel Midland Metro]
  • A. Midland town centre
    Midland town centre is the main commercial and civic hub of the city of Midland, featuring shops, services, and public amenities close to Midland Harbour.
  • B. Midland
    Midland is a major commercial and transport hub in the eastern suburbs of Perth, Western Australia.
  • C. Midland
    Midland is a city in the Permian Basin region of West Texas known for its pivotal role in the oil and gas industry.
  • D. Midland
    Midland was a short-lived Formula One constructor that competed in the mid-2000s after taking over the Jordan Grand Prix team.
  • E. Midland
    Midland is a small town in central Ontario, Canada, known as a gateway to Georgian Bay and the 30,000 Islands region.
  • 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: Travel Midland Metro
Triple: [West Midlands Metro, formerOperator, Travel Midland Metro]
Generated description
Travel Midland Metro was the original operating company responsible for running light rail services on the Midland Metro system in England’s West Midlands region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Travel Midland Metro
Target entity description: Travel Midland Metro was the original operating company responsible for running light rail services on the Midland Metro system in England’s West Midlands region.
  • A. Midland town centre
    Midland town centre is the main commercial and civic hub of the city of Midland, featuring shops, services, and public amenities close to Midland Harbour.
  • B. Midland
    Midland is a major commercial and transport hub in the eastern suburbs of Perth, Western Australia.
  • C. Midland
    Midland was a short-lived Formula One constructor that competed in the mid-2000s after taking over the Jordan Grand Prix team.
  • D. Midland
    Midland is a small town in central Ontario, Canada, known as a gateway to Georgian Bay and the 30,000 Islands region.
  • E. Midland
    Midland is a city in the Permian Basin region of West Texas known for its pivotal role in the oil and gas industry.
  • 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_69d7bde87b648190bcd0266e9efde098 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d954bbe72c8190aa11090bb6b480c9 completed April 10, 2026, 7:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69f65ebed164819083fbdaa775a59cd4 completed May 2, 2026, 8:29 p.m.
NEDg Description generation batch_69f66088890c8190b67a958d7f0822a6 completed May 2, 2026, 8:37 p.m.
NED2 Entity disambiguation (via description) batch_69f6613e31fc8190bdb98f91c9e6c967 completed May 2, 2026, 8:40 p.m.
Created at: April 9, 2026, 5:05 p.m.