Triple

T20647395
Position Surface form Disambiguated ID Type / Status
Subject Erewash Valley Line E507391 entity
Predicate historicalOperator P2834 FINISHED
Object Midland Railway NE NERFINISHED

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: Midland Railway | Statement: [Erewash Valley Line, historicalOperator, Midland Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Midland Railway
Context triple: [Erewash Valley Line, historicalOperator, Midland Railway]
  • A. Midland Railway chosen
    Midland Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across central and northern England and played a key role in the development of the UK rail network.
  • B. Midland Counties Railway
    The Midland Counties Railway was an early 19th-century British railway company that helped pioneer mainline rail transport in the English Midlands before later becoming part of the Midland Railway.
  • C. Midland Railway Northern Counties Committee
    The Midland Railway Northern Counties Committee was a railway company that operated and managed lines in the north of Ireland, particularly in what is now Northern Ireland, during the late 19th and early 20th centuries.
  • D. Midland and South Western Junction Railway
    The Midland and South Western Junction Railway was a former cross-country railway in England that linked the Midlands with the south coast, notably connecting Cheltenham to Southampton via Swindon.
  • E. North Midland Railway
    The North Midland Railway was an early 19th-century British railway company that operated a key main line in the Midlands, later becoming part of the Midland Railway.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e0b4be702c8190a3d2410a881d310a completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6af1fbfa881908a5b9db143e362d0 completed April 20, 2026, 10:56 p.m.
Created at: April 16, 2026, 11:43 a.m.