Triple

T18884409
Position Surface form Disambiguated ID Type / Status
Subject 1964 Rameswaram cyclone E461921 entity
Predicate landfallLocation P6518 FINISHED
Object Northern Sri Lanka — 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: Northern Sri Lanka | Statement: [1964 Rameswaram cyclone, landfallLocation, Northern 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: Northern Sri Lanka
Context triple: [1964 Rameswaram cyclone, landfallLocation, Northern Sri Lanka]
  • A. Western Sri Lanka
    Western Sri Lanka is a coastal region of Sri Lanka that includes the nation’s commercial and administrative hub around Colombo and its surrounding urban and suburban areas.
  • B. Northern and Eastern Sri Lanka
    Northern and Eastern Sri Lanka is a culturally and historically significant region of Sri Lanka with a strong Tamil heritage and longstanding political and ethnic importance.
  • C. Northern Development Region of Sri Lanka chosen
    The Northern Development Region of Sri Lanka is an administrative planning region in the island’s north, encompassing predominantly Tamil-majority areas that were heavily affected by the civil conflict and are now a focus of post-war reconstruction and development.
  • D. Eastern Development Region of Sri Lanka
    The Eastern Development Region of Sri Lanka is an administrative planning and development area that encompasses the country’s Eastern Province and coordinates regional economic and infrastructural initiatives.
  • E. Southern Development Region of Sri Lanka
    The Southern Development Region of Sri Lanka is an administrative planning region in the island’s south, encompassing key coastal and inland districts known for agriculture, fisheries, and tourism.
  • 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_69d8dcfc3430819095ee6fc0eb4c06a5 elicitation completed
NER batch_69e5c3d3dcec8190a468162c6a4482f6 ner completed
Created at: April 10, 2026, 11:57 a.m.