Triple

T8910780
Position Surface form Disambiguated ID Type / Status
Subject North Kent Line E212174 entity
Predicate historicalOperator P2834 FINISHED
Object South Eastern Railway E135631 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: South Eastern Railway | Statement: [North Kent Line, historicalOperator, South Eastern Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: South Eastern Railway
Context triple: [North Kent Line, historicalOperator, South Eastern Railway]
  • A. South Eastern Railway chosen
    South Eastern Railway was a 19th-century British railway company that operated routes in southeast England, including services through Kent and to the Channel ports.
  • B. South Eastern Railway
    South Eastern Railway is one of the major zones of Indian Railways, operating extensive rail services across eastern and central India.
  • C. South Eastern and Chatham Railway
    The South Eastern and Chatham Railway was a pre-grouping British railway company in southeast England, formed by the working union of the South Eastern Railway and the London, Chatham and Dover Railway in the early 20th century.
  • D. Eastern and Midlands Railway
    Eastern and Midlands Railway was a 19th-century British railway company that developed and operated lines in eastern England before being absorbed into larger railway systems.
  • E. Great Eastern Railway
    Great Eastern Railway was a major pre-grouping British railway company that operated an extensive network across East Anglia and into London from the mid-19th to early 20th century.
  • 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_69ca8393b1808190bd4336787ffa2c40 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc6523b9348190a7cefac9e73e2004 completed April 1, 2026, 12:21 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfd091f3448190aadd847d117bc166 completed April 3, 2026, 2:37 p.m.
Created at: March 30, 2026, 6:55 p.m.