Triple

T344254
Position Surface form Disambiguated ID Type / Status
Subject River Douglas E6903 entity
Predicate crossedBy P416 FINISHED
Object Manchester–Southport railway (near Wigan)
The Manchester–Southport railway near Wigan is a section of the regional rail line in North West England that carries passenger services between Manchester and the seaside town of Southport.
E43430 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–Southport railway (near Wigan) | Statement: [River Douglas, crossedBy, Manchester–Southport railway (near Wigan)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Manchester–Southport railway (near Wigan)
Context triple: [River Douglas, crossedBy, Manchester–Southport railway (near Wigan)]
  • A. Manchester–Preston line
    The Manchester–Preston line is a key railway route in North West England linking Manchester with Preston and serving major intermediate stations such as Manchester Oxford Road.
  • B. Manchester to Leeds line
    The Manchester to Leeds line is a key trans-Pennine railway route in northern England connecting major cities across the Pennines.
  • C. Liverpool–Manchester line (via Chat Moss)
    The Liverpool–Manchester line (via Chat Moss) is one of the world’s first intercity passenger railways, historically significant for pioneering mainline rail travel across the Chat Moss bog between Liverpool and Manchester.
  • D. Rochdale line
    The Rochdale line is a railway route in Greater Manchester, England, forming part of the local and regional rail network connecting Manchester with Rochdale and surrounding areas.
  • E. East Didsbury Line
    The East Didsbury Line is a light rail route on Greater Manchester’s Metrolink network that connects Manchester city centre with the suburban area of East Didsbury.
  • 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–Southport railway (near Wigan)
Triple: [River Douglas, crossedBy, Manchester–Southport railway (near Wigan)]
Generated description
The Manchester–Southport railway near Wigan is a section of the regional rail line in North West England that carries passenger services between Manchester and the seaside town of Southport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Manchester–Southport railway (near Wigan)
Target entity description: The Manchester–Southport railway near Wigan is a section of the regional rail line in North West England that carries passenger services between Manchester and the seaside town of Southport.
  • A. Manchester–Preston line
    The Manchester–Preston line is a key railway route in North West England linking Manchester with Preston and serving major intermediate stations such as Manchester Oxford Road.
  • B. Manchester to Leeds line
    The Manchester to Leeds line is a key trans-Pennine railway route in northern England connecting major cities across the Pennines.
  • C. Liverpool–Manchester line (via Chat Moss)
    The Liverpool–Manchester line (via Chat Moss) is one of the world’s first intercity passenger railways, historically significant for pioneering mainline rail travel across the Chat Moss bog between Liverpool and Manchester.
  • D. Rochdale line
    The Rochdale line is a railway route in Greater Manchester, England, forming part of the local and regional rail network connecting Manchester with Rochdale and surrounding areas.
  • E. East Didsbury Line
    The East Didsbury Line is a light rail route on Greater Manchester’s Metrolink network that connects Manchester city centre with the suburban area of East Didsbury.
  • 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_69a2e7951ba08190960e90823b5078f3 completed Feb. 28, 2026, 1:03 p.m.
NER Named-entity recognition batch_69a2eb01261c81909280128b5ce75eff completed Feb. 28, 2026, 1:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69a3d4ea324c8190acd07727ca0ac193 completed March 1, 2026, 5:55 a.m.
NEDg Description generation batch_69a3d593afbc8190b7148201f890ac77 completed March 1, 2026, 5:58 a.m.
NED2 Entity disambiguation (via description) batch_69a3d659a1308190bad45dc2af33b3f3 completed March 1, 2026, 6:02 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.