Triple

T19865903
Position Surface form Disambiguated ID Type / Status
Subject Big Sioux River Greenway (Sioux Falls) E477388 entity
Predicate locatedIn P40 FINISHED
Object Sioux Falls, South Dakota — 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: Sioux Falls, South Dakota | Statement: [Big Sioux River Greenway (Sioux Falls), locatedIn, Sioux Falls, South Dakota]

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: Sioux Falls, South Dakota
Context triple: [Big Sioux River Greenway (Sioux Falls), locatedIn, Sioux Falls, South Dakota]
  • A. Sioux Falls, South Dakota chosen
    Sioux Falls, South Dakota is the largest city in the state, known for its namesake waterfalls on the Big Sioux River and its role as a regional economic and cultural hub.
  • B. North Sioux City, South Dakota
    North Sioux City is a small city in southeastern South Dakota, located near the borders with Iowa and Nebraska and forming part of the Sioux City metropolitan area.
  • C. Rapid City
    Rapid City is a city in western South Dakota known as a gateway to the Black Hills and nearby Mount Rushmore.
  • D. Springfield, South Dakota
    Springfield, South Dakota is a small city in Bon Homme County known for its location along the Missouri River and its rural Midwestern community character.
  • E. Brookings, South Dakota
    Brookings, South Dakota is a small city in eastern South Dakota known as the home of South Dakota State University and its associated cultural, educational, and athletic activities.
  • 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_69d8e51e7d948190aedbcd6c30361c39 elicitation completed
NER batch_69e6589eb24081908715b683de1edc68 ner completed
Created at: April 10, 2026, 1:51 p.m.