Triple

T17642093
Position Surface form Disambiguated ID Type / Status
Subject Brentwood railway station E429257 entity
Predicate locatedOnLine P2409 FINISHED
Object Shenfield branch of the Great Eastern Main Line NE NERFINISHED

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: Shenfield branch of the Great Eastern Main Line | Statement: [Brentwood railway station, locatedOnLine, Shenfield branch of the Great Eastern Main Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Shenfield branch of the Great Eastern Main Line
Context triple: [Brentwood railway station, locatedOnLine, Shenfield branch of the Great Eastern Main Line]
  • A. Great Eastern Main Line at Shenfield
    The Great Eastern Main Line at Shenfield is a key junction on the rail network in Essex where long-distance services to East Anglia and commuter routes toward London intersect with branch lines such as the Shenfield–Southend route.
  • B. Shenfield–Southend Line chosen
    The Shenfield–Southend Line is a suburban railway route in Essex, England, connecting Shenfield with Southend and serving intermediate communities including Southend Airport.
  • C. Liverpool Street to Cheshunt line
    The Liverpool Street to Cheshunt line is a suburban rail route in London and Hertfordshire that connects central London’s Liverpool Street station with the town of Cheshunt, serving multiple intermediate stations in the Lea Valley.
  • D. East Suffolk Line
    The East Suffolk Line is a rural railway route in Suffolk, England, running between Ipswich and Lowestoft and serving towns and villages along the county’s east coast.
  • E. Breckland line
    The Breckland line is a railway route in East Anglia, England, running between Cambridge and Norwich through the rural Breckland region.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d889e2c2608190b762e76d9b2262f1 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e46de645208190a40dcf443f8afd82 completed April 19, 2026, 5:53 a.m.
Created at: April 10, 2026, 6:03 a.m.