Triple

T13089424
Position Surface form Disambiguated ID Type / Status
Subject The Drain E310420 entity
Predicate associatedWithOperator P54001 FINISHED
Object London Underground Limited E995042 NE FINISHED

How this triple was built (2 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: London Underground Limited | Statement: [The Drain, associatedWithOperator, London Underground Limited]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: London Underground Limited
Context triple: [The Drain, associatedWithOperator, London Underground Limited]
  • A. London Underground Limited chosen
    London Underground Limited is the company responsible for operating and managing the London Underground metro network.
  • B. London Passenger Transport Board
    The London Passenger Transport Board was the public body that managed and coordinated most of the capital’s bus, tram, trolleybus, and underground rail services in London from the 1930s until the late 1940s.
  • C. Transport for London
    Transport for London is the local government body responsible for managing and overseeing the public transport network and major roads in Greater London.
  • D. London Transport Board
    The London Transport Board was the public body responsible for operating and overseeing most of the public transport system in Greater London from the early 1960s until the creation of the Greater London Council’s transport authority.
  • E. Underground Electric Railways Company of London
    The Underground Electric Railways Company of London was the early 20th-century holding company that developed and operated much of London's deep-level tube network, forming the core of what became the London Underground.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d806a733548190989cfd4ce981ca33 completed April 9, 2026, 8:05 p.m.
NER Named-entity recognition batch_69d98138a1d481908a139f2f67eb3472 completed April 10, 2026, 11:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6d614704481908758cf8691a941ea completed May 3, 2026, 4:59 a.m.
Created at: April 9, 2026, 9:03 p.m.