Triple

T7646517
Position Surface form Disambiguated ID Type / Status
Subject Stretford tram stop E173137 entity
Predicate formerOperator P179 FINISHED
Object Manchester South Junction and Altrincham Railway
The Manchester South Junction and Altrincham Railway was a historic suburban railway line in Greater Manchester that connected central Manchester with Altrincham and played a key role in the development of commuter rail services in the area.
 E680196 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: Manchester South Junction and Altrincham Railway | Statement: [Stretford tram stop, formerOperator, Manchester South Junction and Altrincham Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Manchester South Junction and Altrincham Railway
Context triple: [Stretford tram stop, formerOperator, Manchester South Junction and Altrincham Railway]
  • A. Manchester and Birmingham Railway
    The Manchester and Birmingham Railway was an early 19th-century British railway company that operated a key main line in northwest England before becoming part of the London and North Western Railway.
  • B. Oldham and Rochdale Line
    The Oldham and Rochdale Line is a Greater Manchester Metrolink light rail route connecting central Manchester with the towns of Oldham and Rochdale.
  • C. East Lancashire Railway
    The East Lancashire Railway is a heritage railway in North West England that operates preserved steam and diesel services along a former main line between Heywood and Rawtenstall.
  • D. Rossendale Railway
    Rossendale Railway was a historic rail line that served the Rossendale Valley in Lancashire, England, supporting local industry and passenger travel before its closure.
  • E. Manchester–Stockport line
    The Manchester–Stockport line is a railway route in Greater Manchester connecting the city of Manchester with the town of Stockport and serving intermediate suburban stations.
  • 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: Manchester South Junction and Altrincham Railway
Triple: [Stretford tram stop, formerOperator, Manchester South Junction and Altrincham Railway]
Generated description
The Manchester South Junction and Altrincham Railway was a historic suburban railway line in Greater Manchester that connected central Manchester with Altrincham and played a key role in the development of commuter rail services in the area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Manchester South Junction and Altrincham Railway
Target entity description: The Manchester South Junction and Altrincham Railway was a historic suburban railway line in Greater Manchester that connected central Manchester with Altrincham and played a key role in the development of commuter rail services in the area.
  • A. Manchester and Birmingham Railway
    The Manchester and Birmingham Railway was an early 19th-century British railway company that operated a key main line in northwest England before becoming part of the London and North Western Railway.
  • B. Oldham and Rochdale Line
    The Oldham and Rochdale Line is a Greater Manchester Metrolink light rail route connecting central Manchester with the towns of Oldham and Rochdale.
  • C. East Lancashire Railway
    The East Lancashire Railway is a heritage railway in North West England that operates preserved steam and diesel services along a former main line between Heywood and Rawtenstall.
  • D. Rossendale Railway
    Rossendale Railway was a historic rail line that served the Rossendale Valley in Lancashire, England, supporting local industry and passenger travel before its closure.
  • E. Manchester–Stockport line
    The Manchester–Stockport line is a railway route in Greater Manchester connecting the city of Manchester with the town of Stockport and serving intermediate suburban stations.
  • 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_69c6995360188190968ee57b72a1627f completed March 27, 2026, 2:50 p.m.
NER Named-entity recognition batch_69c6faf3bd388190a8cb0f13322a7c00 completed March 27, 2026, 9:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69c89ad236448190886611ac9d1cc393 completed March 29, 2026, 3:21 a.m.
NEDg Description generation batch_69c89b8a06588190b05a8ee7ddbe737c completed March 29, 2026, 3:24 a.m.
NED2 Entity disambiguation (via description) batch_69c89c1284708190bb2707e41de3be85 completed March 29, 2026, 3:27 a.m.
Created at: March 27, 2026, 3:58 p.m.