Triple

T21326524
Position Surface form Disambiguated ID Type / Status
Subject Bantam River E525771 entity
Predicate mouthLocatedIn P417 FINISHED
Object Housatonic River basin — 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: Housatonic River basin | Statement: [Bantam River, mouthLocatedIn, Housatonic River basin]

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: Housatonic River basin
Context triple: [Bantam River, mouthLocatedIn, Housatonic River basin]
  • A. Housatonic River watershed chosen
    The Housatonic River watershed is the drainage basin encompassing all the land and waterways that feed into the Housatonic River across western Massachusetts, western Connecticut, and parts of eastern New York.
  • B. Blackstone River watershed
    The Blackstone River watershed is a major New England river basin that drains portions of Massachusetts and Rhode Island, historically central to early American industrialization and mill development.
  • C. Housatonic River valley
    The Housatonic River valley is a scenic river corridor in western New England known for its rolling hills, historic towns, and outdoor recreation opportunities.
  • D. Housatonic River
    The Housatonic River is a major New England waterway that flows from western Massachusetts through western Connecticut to Long Island Sound, known for its scenic valleys, recreation, and historical mill towns.
  • E. Nashua River watershed
    The Nashua River watershed is a river basin in north-central Massachusetts and southern New Hampshire that drains the lands surrounding the Nashua River and its tributaries.
  • 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_69e0b51b90788190a4dd823d962626da elicitation completed
NER batch_69e7ab49aa48819083b3793657903216 ner completed
Created at: April 16, 2026, 4:41 p.m.