Triple

T995215
Position Surface form Disambiguated ID Type / Status
Subject Manchester–Chester line E21479 entity
Predicate hasStation P35 FINISHED
Object Urmston railway station
Urmston railway station is a suburban rail station in Greater Manchester, England, serving the town of Urmston with regular commuter services into central Manchester and towards Chester.
 E128328 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: Urmston railway station | Statement: [Manchester–Chester line, hasStation, Urmston railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Urmston railway station
Context triple: [Manchester–Chester line, hasStation, Urmston railway station]
  • A. Trafford Park railway station
    Trafford Park railway station is a suburban rail stop in Greater Manchester, England, serving the Trafford Park area on the regional network.
  • B. Salford Central railway station
    Salford Central railway station is a local rail hub in Salford, Greater Manchester, providing commuter and regional services into central Manchester and surrounding areas.
  • C. Salford Crescent railway station
    Salford Crescent railway station is a key rail hub in Salford, Greater Manchester, serving local and regional commuter routes, including access to the nearby University of Salford.
  • D. Stockport railway station
    Stockport railway station is a major railway hub in Greater Manchester, England, serving as an important stop on the West Coast Main Line with frequent intercity and regional services.
  • E. Manchester Piccadilly railway station
    Manchester Piccadilly railway station is the main and busiest railway terminus in Manchester, England, serving as a major hub for regional and long-distance rail services across the UK.
  • 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: Urmston railway station
Triple: [Manchester–Chester line, hasStation, Urmston railway station]
Generated description
Urmston railway station is a suburban rail station in Greater Manchester, England, serving the town of Urmston with regular commuter services into central Manchester and towards Chester.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Urmston railway station
Target entity description: Urmston railway station is a suburban rail station in Greater Manchester, England, serving the town of Urmston with regular commuter services into central Manchester and towards Chester.
  • A. Trafford Park railway station
    Trafford Park railway station is a suburban rail stop in Greater Manchester, England, serving the Trafford Park area on the regional network.
  • B. Salford Central railway station
    Salford Central railway station is a local rail hub in Salford, Greater Manchester, providing commuter and regional services into central Manchester and surrounding areas.
  • C. Salford Crescent railway station
    Salford Crescent railway station is a key rail hub in Salford, Greater Manchester, serving local and regional commuter routes, including access to the nearby University of Salford.
  • D. Stockport railway station
    Stockport railway station is a major railway hub in Greater Manchester, England, serving as an important stop on the West Coast Main Line with frequent intercity and regional services.
  • E. Manchester Piccadilly railway station
    Manchester Piccadilly railway station is the main and busiest railway terminus in Manchester, England, serving as a major hub for regional and long-distance rail services across the UK.
  • 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_69a493c476b48190b41fc5e793171cc6 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b4c75de88190bf7fec7a053f7a90 completed March 1, 2026, 9:51 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac537d788c81908d239f102626bdd6 completed March 7, 2026, 4:34 p.m.
NEDg Description generation batch_69ac544fc41881908daff6b313622619 completed March 7, 2026, 4:37 p.m.
NED2 Entity disambiguation (via description) batch_69ac5526679081909c9f7458bd316ff6 completed March 7, 2026, 4:41 p.m.
Created at: March 1, 2026, 7:41 p.m.