Triple

T10130707
Position Surface form Disambiguated ID Type / Status
Subject Manchester Central railway station E226329 entity
Predicate railwayLineServed P848 FINISHED
Object Midland Railway main line to London St Pancras 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 Railway main line to London St Pancras | Statement: [Manchester Central railway station, railwayLineServed, Midland Railway main line to London St Pancras]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Midland Railway main line to London St Pancras
Context triple: [Manchester Central railway station, railwayLineServed, Midland Railway main line to London St Pancras]
  • A. Manchester–London main line
    The Manchester–London main line is a major intercity railway corridor in England connecting Manchester with London and forming part of the core north–south rail network.
  • B. London and North Western Railway main line
    The London and North Western Railway main line was a major 19th- and early 20th-century British railway route that formed the core north–south trunk line linking London with the Midlands, northwest England, and Scotland.
  • C. East Coast Main Line between London King's Cross and Hitchin
    The East Coast Main Line between London King's Cross and Hitchin is a key electrified railway corridor in southern England that carries high-frequency intercity, regional, and commuter services linking London with the East Midlands, Yorkshire, and northeastern England.
  • D. 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.
  • E. Birmingham–London Marylebone line
    The Birmingham–London Marylebone line is a major intercity and commuter railway route in England linking Birmingham with London Marylebone via towns in the Chilterns and the West Midlands.
  • 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_69ca843057b48190a86730167f5d6b98 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cdd33438988190be45878f98695816 completed April 2, 2026, 2:23 a.m.
NED1 Entity disambiguation (via context triple) batch_69d2cc7c50b08190a04aa2f58a6c300a completed April 5, 2026, 8:56 p.m.
Created at: March 30, 2026, 9:05 p.m.