Triple

T11894796
Position Surface form Disambiguated ID Type / Status
Subject Ruislip depot E283007 entity
Predicate isPartOf P10 FINISHED
Object Transport for London rail facilities
Transport for London rail facilities are the network of depots, stations, tracks, and related infrastructure used to operate and maintain London’s public rail services, including the Underground and other TfL-operated lines.
 E952296 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: Transport for London rail facilities | Statement: [Ruislip depot, isPartOf, Transport for London rail facilities]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Transport for London rail facilities
Context triple: [Ruislip depot, isPartOf, Transport for London rail facilities]
  • A. Heathrow rail and Underground stations
    Heathrow rail and Underground stations comprise the network of train and Tube stations serving London Heathrow Airport, providing direct rail and metro links between the airport terminals and central London.
  • B. National Rail services in London
    National Rail services in London comprise the network of mainline train operators providing suburban, regional, and long-distance rail connections across the capital and to the rest of the UK.
  • C. Heathrow Airport rail network
    The Heathrow Airport rail network is the integrated system of rail and metro services that connect Heathrow’s terminals with central London and the wider UK rail network.
  • D. City Thameslink station
    City Thameslink station is a central London railway station on the Thameslink route, providing north–south cross-city services between Bedford, Brighton, and other destinations.
  • E. TfL Rail services
    TfL Rail services were the interim commuter rail operations in London and the surrounding area that preceded and were later integrated into the full Elizabeth line network.
  • 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: Transport for London rail facilities
Triple: [Ruislip depot, isPartOf, Transport for London rail facilities]
Generated description
Transport for London rail facilities are the network of depots, stations, tracks, and related infrastructure used to operate and maintain London’s public rail services, including the Underground and other TfL-operated lines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Transport for London rail facilities
Target entity description: Transport for London rail facilities are the network of depots, stations, tracks, and related infrastructure used to operate and maintain London’s public rail services, including the Underground and other TfL-operated lines.
  • A. Heathrow rail and Underground stations
    Heathrow rail and Underground stations comprise the network of train and Tube stations serving London Heathrow Airport, providing direct rail and metro links between the airport terminals and central London.
  • B. National Rail services in London
    National Rail services in London comprise the network of mainline train operators providing suburban, regional, and long-distance rail connections across the capital and to the rest of the UK.
  • C. Heathrow Airport rail network
    The Heathrow Airport rail network is the integrated system of rail and metro services that connect Heathrow’s terminals with central London and the wider UK rail network.
  • D. City Thameslink station
    City Thameslink station is a central London railway station on the Thameslink route, providing north–south cross-city services between Bedford, Brighton, and other destinations.
  • E. TfL Rail services
    TfL Rail services were the interim commuter rail operations in London and the surrounding area that preceded and were later integrated into the full Elizabeth line network.
  • 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_69d6ab2a90b08190a4e818821cc93e6d completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8dd1286808190949719f54ff49a01 completed April 10, 2026, 11:20 a.m.
NED1 Entity disambiguation (via context triple) batch_69f41811e5ac8190a3e397e31f19bca1 completed May 1, 2026, 3:03 a.m.
NEDg Description generation batch_69f41f1c21388190b6ecb0fd602abb7d completed May 1, 2026, 3:33 a.m.
NED2 Entity disambiguation (via description) batch_69f42283c4cc81909793834ef65d2514 completed May 1, 2026, 3:48 a.m.
Created at: April 8, 2026, 9:44 p.m.