Triple

T16470553
Position Surface form Disambiguated ID Type / Status
Subject London Midland Region E400047 entity
Predicate mainLine P24771 FINISHED
Object Midland Main Line (southern sections via joint arrangements) E45516 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: Midland Main Line (southern sections via joint arrangements) | Statement: [London Midland Region, mainLine, Midland Main Line (southern sections via joint arrangements)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Midland Main Line (southern sections via joint arrangements)
Context triple: [London Midland Region, mainLine, Midland Main Line (southern sections via joint arrangements)]
  • A. Midland Main Line (southern section via Thameslink)
    Midland Main Line (southern section via Thameslink) is the portion of the Midland Main Line that runs through central London via the Thameslink core, providing cross-London commuter and regional rail services.
  • B. Midland Main Line chosen
    The Midland Main Line is a major inter-city railway route in England connecting London with key cities in the East Midlands and South Yorkshire.
  • C. Midland Line
    The Midland Line is a scenic New Zealand railway route across the South Island, best known today for carrying the TranzAlpine passenger service between Christchurch and Greymouth through the Southern Alps.
  • D. 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.
  • E. Main Southern railway line
    The Main Southern railway line is a major rail corridor in New South Wales, Australia, linking Sydney with the state’s southern regions and forming part of the key interstate route between Sydney and Melbourne.
  • 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_69d87f2dac988190b74d6e185fa88ba4 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e32dd0d2fc81909b68b5afb00f192f completed April 18, 2026, 7:08 a.m.
NED1 Entity disambiguation (via context triple) batch_6a004f5af4308190bd023624de35027f completed May 10, 2026, 9:26 a.m.
Created at: April 10, 2026, 5:11 a.m.