Triple

T1823491
Position Surface form Disambiguated ID Type / Status
Subject Chorlton tram stop E40594 entity
Predicate formerRailwayAlignment P20480 FINISHED
Object Midland Railway Manchester South District Line E35764 NE FINISHED

How this triple was built (3 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: Midland Railway Manchester South District Line | Statement: [Chorlton tram stop, formerRailwayAlignment, Midland Railway Manchester South District Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Midland Railway Manchester South District Line
Context triple: [Chorlton tram stop, formerRailwayAlignment, Midland Railway Manchester South District Line]
  • A. North Midland Railway
    The North Midland Railway was an early 19th-century British railway company that operated a key main line in the Midlands, later becoming part of the Midland Railway.
  • B. Midland Counties Railway
    The Midland Counties Railway was an early 19th-century British railway company that helped pioneer mainline rail transport in the English Midlands before later becoming part of the Midland Railway.
  • C. Midland Railway chosen
    Midland Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across central and northern England and played a key role in the development of the UK rail network.
  • D. 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.
  • E. Manchester to Bolton line
    The Manchester to Bolton line is a suburban railway route in Greater Manchester, England, connecting Manchester with the town of Bolton and serving intermediate communities along the corridor.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: formerRailwayAlignment
Context triple: [Chorlton tram stop, formerRailwayAlignment, Midland Railway Manchester South District Line]
  • A. formerRailwayLine chosen
    Indicates that a railway line previously existed in the past but is no longer in operation or has been decommissioned.
  • B. railwayLine
    Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
  • C. formerRailroad
    Indicates that an entity was previously a railroad but no longer functions as one.
  • D. railwayLineRole
    Indicates the specific functional role or purpose that a railway line serves within a rail network or transportation system.
  • E. railwayLineType
    Indicates the specific kind or classification of a railway line associated with an entity (e.g., main line, branch line, high-speed line).
  • F. None of above.

Provenance (4 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_69a8864526c081908a3a4d74f689e2c5 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69ab21ab83a48190a33afe5db19a21f8 completed March 6, 2026, 6:49 p.m.
NED1 Entity disambiguation (via context triple) batch_69adbf6722f081908c5368a09d1507ac completed March 8, 2026, 6:26 p.m.
PD Predicate disambiguation batch_69aa61d97d008190b6642aef32eb7e36 completed March 6, 2026, 5:10 a.m.
Created at: March 4, 2026, 7:32 p.m.