Triple

T11493522
Position Surface form Disambiguated ID Type / Status
Subject Chafford Hundred railway station E272473 entity
Predicate hasStationCodeSystem P57418 FINISHED
Object National Rail station code
The National Rail station code is a standardized three-letter abbreviation system used across Great Britain’s rail network to uniquely identify individual railway stations for tickets, timetables, and information systems.
 E929045 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: National Rail station code | Statement: [Chafford Hundred railway station, hasStationCodeSystem, National Rail station code]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: National Rail station code
Context triple: [Chafford Hundred railway station, hasStationCodeSystem, National Rail station code]
  • A. National Rail station
    A National Rail station is a passenger railway facility in Great Britain that forms part of the nationwide National Rail network, providing scheduled train services and related amenities.
  • B. National Rail Enquiries
    National Rail Enquiries is the official information service for Britain’s National Rail network, providing timetables, fares, and real-time journey updates to passengers.
  • C. National Rail
    National Rail is the collective name for the passenger rail services and network in Great Britain, encompassing most regional and intercity train operations outside of urban metro systems.
  • D. Lee railway station
    Lee railway station is a suburban rail stop in southeast London serving local commuter services on the Sidcup Line into central London.
  • E. Hay Railway Station
    Hay Railway Station is a historic former railway station in Hay, New South Wales, recognized as a heritage-listed site for its architectural and transport significance.
  • 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: National Rail station code
Triple: [Chafford Hundred railway station, hasStationCodeSystem, National Rail station code]
Generated description
The National Rail station code is a standardized three-letter abbreviation system used across Great Britain’s rail network to uniquely identify individual railway stations for tickets, timetables, and information systems.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: National Rail station code
Target entity description: The National Rail station code is a standardized three-letter abbreviation system used across Great Britain’s rail network to uniquely identify individual railway stations for tickets, timetables, and information systems.
  • A. National Rail station
    A National Rail station is a passenger railway facility in Great Britain that forms part of the nationwide National Rail network, providing scheduled train services and related amenities.
  • B. National Rail Enquiries
    National Rail Enquiries is the official information service for Britain’s National Rail network, providing timetables, fares, and real-time journey updates to passengers.
  • C. National Rail
    National Rail is the collective name for the passenger rail services and network in Great Britain, encompassing most regional and intercity train operations outside of urban metro systems.
  • D. Lee railway station
    Lee railway station is a suburban rail stop in southeast London serving local commuter services on the Sidcup Line into central London.
  • E. Hay Railway Station
    Hay Railway Station is a historic former railway station in Hay, New South Wales, recognized as a heritage-listed site for its architectural and transport significance.
  • 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_69d6aae1b09881909ce2ded3fa0c14fa completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d85ddffdf88190a00e94ad5b8b91a5 completed April 10, 2026, 2:18 a.m.
NED1 Entity disambiguation (via context triple) batch_69e6048a05c88190968f7827c5dd5342 completed April 20, 2026, 10:48 a.m.
NEDg Description generation batch_69e610a6de0c8190aabda7ef7b7063a6 completed April 20, 2026, 11:40 a.m.
NED2 Entity disambiguation (via description) batch_69e61842b8848190b454cee480c69f7a completed April 20, 2026, 12:12 p.m.
Created at: April 8, 2026, 9:36 p.m.