Triple

T10819726
Position Surface form Disambiguated ID Type / Status
Subject Sydenham River E255332 entity
Predicate locatedIn P40 FINISHED
Object southwestern Ontario E133964 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: southwestern Ontario | Statement: [Sydenham River, locatedIn, southwestern Ontario]

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: southwestern Ontario
Context triple: [Sydenham River, locatedIn, southwestern Ontario]
  • A. Southwestern Ontario chosen
    Southwestern Ontario is a populous and economically diverse region of southern Ontario, Canada, encompassing cities like London and Windsor and known for its agriculture, manufacturing, and proximity to the Great Lakes and U.S. border.
  • B. Southern Ontario
    Southern Ontario is the densely populated, industrial and economic heartland of Ontario, Canada, encompassing major cities such as Toronto, Hamilton, and London.
  • C. Central Ontario
    Central Ontario is a predominantly rural and recreational region of Ontario known for its lakes, forests, cottage country, and outdoor tourism.
  • D. Northwestern Ontario
    Northwestern Ontario is a sparsely populated, resource-rich region of Ontario known for its vast forests, numerous lakes, and communities such as Thunder Bay and Kenora.
  • E. Northern Ontario
    Northern Ontario is a vast, sparsely populated region of Ontario known for its boreal forests, abundant lakes, mining and forestry industries, and predominantly rural and Indigenous communities.
  • 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_69d6aa8081448190a9324184f2bd1c26 elicitation completed
NER batch_69d734492be88190874ea0ba4d0fa643 ner completed
NED1 batch_69dff7c45f288190a5235b5d7000a32c ned_source_triple completed
Created at: April 8, 2026, 9:18 p.m.