Triple

T22522134
Position Surface form Disambiguated ID Type / Status
Subject Maradana E556806 entity
Predicate hasRailwayStation P918 FINISHED
Object Maradana 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: Maradana Railway Station | Statement: [Maradana, hasRailwayStation, Maradana 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: Maradana Railway Station
Context triple: [Maradana, hasRailwayStation, Maradana Railway Station]
  • A. Maradana railway station chosen
    Maradana railway station is a major railway hub in Colombo, Sri Lanka, serving as one of the city’s primary junctions connecting multiple key lines across the country.
  • B. Bandarawela railway station
    Bandarawela railway station is a key stop on Sri Lanka’s scenic Main Line, serving the hill-country town of Bandarawela and connecting it with major cities such as Colombo and Badulla.
  • C. Kelaniya railway station
    Kelaniya railway station is a passenger rail station in Kelaniya, Sri Lanka, serving as part of the country’s main railway network near Colombo.
  • D. Gampola railway station
    Gampola railway station is a train station in Sri Lanka’s Central Province that serves the town of Gampola on the country’s Main Line.
  • E. Colombo Fort railway station
    Colombo Fort railway station is the main railway hub in Colombo, Sri Lanka, serving as a central junction for both suburban and long-distance train services across the country.
  • 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_69e11e5657e881909f16ca58352c50da elicitation completed
NER batch_69f15e32b8a88190ac335d4298dd5ee3 ner completed
Created at: April 16, 2026, 8:50 p.m.