Triple

T11261822
Position Surface form Disambiguated ID Type / Status
Subject Maidstone West railway station E266579 entity
Predicate formerOperator P179 FINISHED
Object Southern Railway E102970 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: Southern Railway | Statement: [Maidstone West railway station, formerOperator, Southern Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Southern Railway
Context triple: [Maidstone West railway station, formerOperator, Southern Railway]
  • A. Southern Railway (U.S.)
    Southern Railway (U.S.) was a major American Class I railroad that operated primarily in the southeastern United States before becoming a key predecessor of Norfolk Southern Railway.
  • B. Southern Railway (UK) chosen
    Southern Railway (UK) was a major British railway company formed in 1923 that operated routes in southern England, including busy commuter and coastal lines, until nationalisation in 1948.
  • C. Canada Southern Railway
    Canada Southern Railway was a 19th- and early 20th-century railway company that operated a key east–west main line across southern Ontario, providing an important international link between the U.S. and Canada.
  • D. Railway Company of the South
    Railway Company of the South is the English name for the historic French railway operator "Compagnie des chemins de fer du Midi," which managed rail lines in southwestern France.
  • E. Atlantic Coast Line Railroad
    The Atlantic Coast Line Railroad was a major U.S. railroad that operated primarily in the southeastern United States, known for its passenger and freight services along the Atlantic seaboard before its mid-20th-century mergers.
  • 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_69d6aac7953c8190b82caf9d7640fdf9 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e94c066c8190be1e032eb328e5fe completed April 9, 2026, 6 p.m.
NED1 Entity disambiguation (via context triple) batch_69e4ccba233481909f00ebe2237c4f0c completed April 19, 2026, 12:38 p.m.
Created at: April 8, 2026, 9:31 p.m.