Triple

T13669169
Position Surface form Disambiguated ID Type / Status
Subject Maradana railway station E327703 entity
Predicate locatedIn P40 FINISHED
Object Western Province, Sri Lanka E136073 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: Western Province, Sri Lanka | Statement: [Maradana railway station, locatedIn, Western Province, Sri Lanka]

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: Western Province, Sri Lanka
Context triple: [Maradana railway station, locatedIn, Western Province, Sri Lanka]
  • A. Western Province, Sri Lanka chosen
    Western Province, Sri Lanka is the country’s most populous and economically significant province, encompassing the capital city of Colombo and serving as its main commercial and administrative hub.
  • B. North Western Province, Sri Lanka
    North Western Province, Sri Lanka is an administrative region of the country known for its predominantly Sinhalese population and a largely agricultural and coastal economy.
  • C. Eastern Province, Sri Lanka
    Eastern Province, Sri Lanka is a coastal administrative region on the island’s eastern seaboard known for its ethnically diverse population, natural harbors, and key cities such as Trincomalee and Batticaloa.
  • D. Northern Province, Sri Lanka
    Northern Province, Sri Lanka is the island nation’s northernmost province, centered on the Jaffna Peninsula and known for its Tamil cultural heritage and post-civil war reconstruction.
  • E. Southern Province, Sri Lanka
    Southern Province, Sri Lanka is a coastal administrative region in the south of Sri Lanka known for its historic cities, beaches, and cultural heritage.
  • 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_69d8076f1fa8819094664a59b55010df elicitation completed
NER batch_69dbc65832688190aea688fee0a7cbdb ner completed
NED1 batch_69fd3239c3bc8190a6838fe8f2f016bf ned_source_triple completed
Created at: April 9, 2026, 9:53 p.m.