Triple

T22562011
Position Surface form Disambiguated ID Type / Status
Subject Colombo–Trincomalee route E557838 entity
Predicate endPoint P390 FINISHED
Object Trincomalee railway station — NE NERFINISHED

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: Trincomalee railway station | Statement: [Colombo–Trincomalee route, endPoint, Trincomalee railway station]

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: Trincomalee railway station
Context triple: [Colombo–Trincomalee route, endPoint, Trincomalee railway station]
  • A. Trincomalee railway station chosen
    Trincomalee railway station is a key terminus on Sri Lanka’s Eastern Province rail network, serving the coastal city of Trincomalee and linking it to major inland hubs.
  • B. Jaffna railway station
    Jaffna railway station is a major rail hub in northern Sri Lanka, serving the city of Jaffna and connecting it to Colombo and other key destinations on the island’s rail network.
  • C. Badulla railway station
    Badulla railway station is the scenic terminus of Sri Lanka’s Main Line, serving the hill-country town of Badulla and known for its historic charm and surrounding tea-country landscapes.
  • D. Hikkaduwa railway station
    Hikkaduwa railway station is a coastal train station in Sri Lanka serving the popular beach town of Hikkaduwa on the country’s southern railway corridor.
  • E. Puttalam railway station
    Puttalam railway station is the main rail terminus serving the town of Puttalam in northwestern Sri Lanka.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69e11e5ae4ac8190b1f503457603d969 elicitation completed
NER batch_69f15fa6a928819083925ea23aaaf725 ner completed
Created at: April 16, 2026, 8:52 p.m.