Triple

T13624095
Position Surface form Disambiguated ID Type / Status
Subject National Rail services to London Bridge E325531 entity
Predicate usesLine P1293 FINISHED
Object Tonbridge line E781741 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Tonbridge line | Statement: [National Rail services to London Bridge, usesLine, Tonbridge line]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tonbridge line
Context triple: [National Rail services to London Bridge, usesLine, Tonbridge line]
  • A. Tonbridge Line chosen
    The Tonbridge Line is a railway route in southeast England that links London with the town of Tonbridge and connects to several other regional lines.
  • B. Crouch Valley Line
    Crouch Valley Line is a rural railway branch line in Essex, England, running between Wickford and Southminster and serving communities along the River Crouch.
  • C. Styal Line
    The Styal Line is a suburban railway route in Greater Manchester, England, connecting central Manchester with Manchester Airport and surrounding areas.
  • D. Eccles Line
    The Eccles Line is a light rail route on Greater Manchester's Metrolink network that connects Manchester city centre with the suburb of Eccles via Salford Quays and MediaCityUK.
  • E. Cranleigh Line
    The Cranleigh Line was a former railway route in Surrey, England, that connected Guildford to Horsham and served rural communities including the village of Cranleigh before its closure in the 1960s.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d8076aae28819092cf636190ee5529 elicitation completed
NER batch_69dbbe9b0b648190afee93121483f45f ner completed
NED1 batch_69f79d41d1108190be5193b246845f07 ned_source_triple completed
Created at: April 9, 2026, 9:50 p.m.