Triple

T8684770
Position Surface form Disambiguated ID Type / Status
Subject MARCH E206129 entity
Predicate hasRailwayJunctionHistorically P84172 FINISHED
Object March Whitemoor marshalling yard
March Whitemoor marshalling yard is a large former railway marshalling complex near March in Cambridgeshire, England, historically significant as a major freight and sorting hub on the British rail network.
E751292 NE FINISHED

How this triple was built (5 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: March Whitemoor marshalling yard | Statement: [MARCH, hasRailwayJunctionHistorically, March Whitemoor marshalling yard]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: March Whitemoor marshalling yard
Context triple: [MARCH, hasRailwayJunctionHistorically, March Whitemoor marshalling yard]
  • A. Northfields depot
    Northfields depot is a London Underground maintenance and stabling facility serving trains on the Piccadilly line in west London.
  • B. Epping train maintenance facility
    The Epping train maintenance facility is a major rail depot in Melbourne that services and maintains suburban trains operating on the city's northern lines.
  • C. Barlow train shed
    The Barlow train shed is the vast 19th-century wrought-iron and glass arched roof that dramatically spans the platforms of London St Pancras station.
  • D. Neasden Depot
    Neasden Depot is a major London Underground maintenance and stabling facility serving trains on the Metropolitan line.
  • E. Buckland Station
    Buckland Station is a historic 19th-century stagecoach stop and waystation in Lyon County, Nevada, that served travelers along early overland routes.
  • 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: March Whitemoor marshalling yard
Triple: [MARCH, hasRailwayJunctionHistorically, March Whitemoor marshalling yard]
Generated description
March Whitemoor marshalling yard is a large former railway marshalling complex near March in Cambridgeshire, England, historically significant as a major freight and sorting hub on the British rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: March Whitemoor marshalling yard
Target entity description: March Whitemoor marshalling yard is a large former railway marshalling complex near March in Cambridgeshire, England, historically significant as a major freight and sorting hub on the British rail network.
  • A. Northfields depot
    Northfields depot is a London Underground maintenance and stabling facility serving trains on the Piccadilly line in west London.
  • B. Epping train maintenance facility
    The Epping train maintenance facility is a major rail depot in Melbourne that services and maintains suburban trains operating on the city's northern lines.
  • C. Barlow train shed
    The Barlow train shed is the vast 19th-century wrought-iron and glass arched roof that dramatically spans the platforms of London St Pancras station.
  • D. Neasden Depot
    Neasden Depot is a major London Underground maintenance and stabling facility serving trains on the Metropolitan line.
  • E. Buckland Station
    Buckland Station is a historic 19th-century stagecoach stop and waystation in Lyon County, Nevada, that served travelers along early overland routes.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasRailwayJunctionHistorically
Context triple: [MARCH, hasRailwayJunctionHistorically, March Whitemoor marshalling yard]
  • A. hasRailroadHistoryWith
    Indicates a historical relationship or connection between entities involving railroads, such as shared development, operation, or significant events in railway history.
  • B. hasRailroadHistory
    Indicates that an entity is associated with, involved in, or notable for historical events, operations, or developments related to railroads.
  • C. railwayJunctionSince
    Indicates that a location has functioned as a railway junction starting from a specified point in time.
  • D. railwayJunctionFor
    Indicates that a location serves as a junction point where multiple railway lines or routes connect or intersect for a given railway network or service.
  • E. hasHeritageRailwayStation
    Indicates that an entity possesses or is associated with a railway station that is preserved or operated as a heritage or historical railway facility.
  • F. None of above. chosen

Provenance (7 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_69ca835379688190aa06b9d98e684d58 completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc4aeae740819099093906ccc5f640 completed March 31, 2026, 10:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69cef3c3c74c81908cd9e881d5963492 completed April 2, 2026, 10:54 p.m.
NEDg Description generation batch_69cef521010081908815779c0bd2aac9 completed April 2, 2026, 11 p.m.
NED2 Entity disambiguation (via description) batch_69cef727ea088190bf40eaf5424ae864 completed April 2, 2026, 11:09 p.m.
PD Predicate disambiguation batch_69cc4569f9048190b9c86b4c81103d35 completed March 31, 2026, 10:06 p.m.
PDg Predicate description generation batch_69cc483f06f48190879f4702c8b4ed00 completed March 31, 2026, 10:18 p.m.
Created at: March 30, 2026, 6:32 p.m.