Triple

T8062107
Position Surface form Disambiguated ID Type / Status
Subject Raccoon River E188148 entity
Predicate hasTributary P415 FINISHED
Object Middle Raccoon River
The Middle Raccoon River is a major branch of the Raccoon River system in central Iowa, known for its role in regional drainage, recreation, and local ecosystems.
 E188148 NE FINISHED

Disambiguation candidates (2 decisions)

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: Middle Raccoon River
Context triple: [Raccoon River, hasTributary, Middle Raccoon River]
  • A. Raccoon River
    The Raccoon River is a central Iowa waterway that flows through the Des Moines area and serves as a major source of the city's drinking water and recreation.
  • B. East Branch Iowa River
    The East Branch Iowa River is a tributary stream in Iowa that serves as one of the primary headwaters forming the Iowa River.
  • C. West Branch Iowa River
    The West Branch Iowa River is a tributary stream in Iowa that serves as one of the primary headwaters forming the Iowa River.
  • D. Des Moines River
    The Des Moines River is a major tributary of the Mississippi River that flows through Iowa and Minnesota, playing a central role in the geography and history of Des Moines and the surrounding region.
  • E. Cedar River
    The Cedar River is a river in Washington State that flows from the Cascade Range through rural and suburban areas before ultimately feeding into Lake Washington near Seattle.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Middle Raccoon River
Target entity description: The Middle Raccoon River is a major branch of the Raccoon River system in central Iowa, known for its role in regional drainage, recreation, and local ecosystems.
  • A. Raccoon River chosen
    The Raccoon River is a central Iowa waterway that flows through the Des Moines area and serves as a major source of the city's drinking water and recreation.
  • B. East Branch Iowa River
    The East Branch Iowa River is a tributary stream in Iowa that serves as one of the primary headwaters forming the Iowa River.
  • C. West Branch Iowa River
    The West Branch Iowa River is a tributary stream in Iowa that serves as one of the primary headwaters forming the Iowa River.
  • D. Des Moines River
    The Des Moines River is a major tributary of the Mississippi River that flows through Iowa and Minnesota, playing a central role in the geography and history of Des Moines and the surrounding region.
  • E. Cedar River
    The Cedar River is a river in Washington State that flows from the Cascade Range through rural and suburban areas before ultimately feeding into Lake Washington near Seattle.
  • F. None of above.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69ca82b2f68881908c50560697e210da elicitation completed
NER batch_69cb3fcd7bcc8190b0a629a813846f13 ner completed
NED1 batch_69cdc65afac4819094282e7d63619111 ned_source_triple completed
NED2 batch_69cdcdd1a0c08190aa15e665a38945e7 ned_description completed
NEDg batch_69cdcc8439cc8190b00ce9b0781d0544 nedg completed
Created at: March 30, 2026, 5:26 p.m.