Triple

T12756381
Position Surface form Disambiguated ID Type / Status
Subject City and South London Railway E304869 entity
Predicate ownedBy P347 FINISHED
Object City and South London Railway Company E304869 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: City and South London Railway Company | Statement: [City and South London Railway, ownedBy, City and South London Railway Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: City and South London Railway Company
Context triple: [City and South London Railway, ownedBy, City and South London Railway Company]
  • A. 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.
  • B. Central London Railway
    Central London Railway was an early deep-level underground railway in London that later became the core of the London Underground's Central line.
  • C. Metropolitan Railway
    The Metropolitan Railway was the pioneering underground railway in London and the world’s first urban underground passenger railway, forming the core of what became the London Underground.
  • D. City and South London Railway chosen
    The City and South London Railway was the world's first deep-level electric tube railway in London, forming a key precursor to today's Northern line of the London Underground.
  • E. London Underground Limited
    London Underground Limited is the company responsible for operating and managing the London Underground metro network.
  • 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_69d7bdf1fcd081909ffb0e0d6fa3a07d completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96d8b57b88190b29b8fdca415c81c completed April 10, 2026, 9:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6cbb735e481909f120f95fa68f4f1 completed May 3, 2026, 4:14 a.m.
Created at: April 9, 2026, 5:27 p.m.