Triple

T16836410
Position Surface form Disambiguated ID Type / Status
Subject Southern Region of British Railways E409292 entity
Predicate operatedRoute P18593 FINISHED
Object Chatham Main Line E207138 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: Chatham Main Line | Statement: [Southern Region of British Railways, operatedRoute, Chatham Main Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chatham Main Line
Context triple: [Southern Region of British Railways, operatedRoute, Chatham Main Line]
  • A. Chatham Main Line chosen
    The Chatham Main Line is a major railway route in southeast England that connects London with Medway, east Kent, and coastal towns such as Ramsgate and Dover.
  • B. Ou Main Line
    The Ōu Main Line is a major Japanese railway route in the Tōhoku region that runs roughly north–south through Honshu, connecting key cities including Aomori.
  • C. Ashford–Ramsgate line
    The Ashford–Ramsgate line is a railway route in Kent, England, connecting inland towns with the coastal resort of Ramsgate and forming part of the regional passenger rail network.
  • D. Seaford Branch Line
    The Seaford Branch Line is a suburban railway route in East Sussex, England, connecting the coastal town of Seaford with the mainline rail network.
  • E. The Brighton Line
    The Brighton Line is a historic and heavily used railway route in southern England linking London with the seaside city of Brighton.
  • 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_69d883952b048190887740a980b712ed completed April 10, 2026, 4:59 a.m.
NER Named-entity recognition batch_69e3b34d49d08190aa62f05d67244584 completed April 18, 2026, 4:37 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00c2a3296c8190978c1809264f66e1 completed May 10, 2026, 5:38 p.m.
Created at: April 10, 2026, 5:23 a.m.