Triple

T4931931
Position Surface form Disambiguated ID Type / Status
Subject John Rennie the Younger E110715 entity
Predicate notableWork P4 FINISHED
Object London and Greenwich Railway (engineering works) E272515 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 and Greenwich Railway (engineering works) | Statement: [John Rennie the Younger, notableWork, London and Greenwich Railway (engineering works)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: London and Greenwich Railway (engineering works)
Context triple: [John Rennie the Younger, notableWork, London and Greenwich Railway (engineering works)]
  • A. London and Greenwich Railway chosen
    The London and Greenwich Railway was one of the earliest passenger railways in London and the first in the capital to be built on a viaduct, forming a key part of the city's early rail infrastructure.
  • B. London and Blackwall Railway
    The London and Blackwall Railway was one of London's earliest passenger railways, originally built in the 1840s as a pioneering cable-hauled line linking the City of London to the docks at Blackwall.
  • C. London and Southampton Railway
    The London and Southampton Railway was an early 19th-century British railway company that built and operated the main line linking London with the port city of Southampton.
  • D. Reading, Guildford and Reigate Railway
    The Reading, Guildford and Reigate Railway was a 19th-century English railway company that operated a line linking the towns of Reading, Guildford, and Reigate in southern England.
  • E. Surrey Iron Railway
    The Surrey Iron Railway was an early horse-drawn plateway in south London, recognized as one of the world’s first public railways for freight transport.
  • 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_69bd4415190c8190817bee7ec9f9f944 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd7063c57c8190a5a6fb3586238d35 completed March 20, 2026, 4:05 p.m.
NED1 Entity disambiguation (via context triple) batch_69be77b18b6c8190bbc8d0764f6a03bf completed March 21, 2026, 10:49 a.m.
Created at: March 20, 2026, 1:30 p.m.