Triple

T6017037
Position Surface form Disambiguated ID Type / Status
Subject Columbus, Indiana E133972 entity
Predicate locatedOn P40 FINISHED
Object Flatrock River
Flatrock River is a tributary of the East Fork of the White River in central Indiana, known for flowing through communities such as Columbus and supporting local recreation and ecosystems.
 E813598 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: Flatrock River | Statement: [Columbus, Indiana, locatedOn, Flatrock River]

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: Flatrock River
Context triple: [Columbus, Indiana, locatedOn, Flatrock River]
  • A. Lemonweir River
    The Lemonweir River is a tributary waterway in central Wisconsin that flows through communities such as New Lisbon before joining the Wisconsin River.
  • B. Quashnet River
    The Quashnet River is a coastal river on Cape Cod in Massachusetts that flows through protected conservation lands before emptying into Waquoit Bay.
  • C. Still River
    Still River is a small tributary in western Connecticut that flows through the city of Danbury before joining the Housatonic River.
  • D. Sassafras River
    The Sassafras River is a tidal tributary of the Chesapeake Bay in Maryland known for its scenic shorelines, boating, and recreational fishing.
  • E. Burntwood River
    Burntwood River is a major river in northern Manitoba, Canada, that flows eastward through a series of lakes before joining the Nelson River and is known for its hydroelectric developments and remote boreal landscape.
  • 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: Flatrock River
Target entity description: Flatrock River is a tributary of the East Fork of the White River in central Indiana, known for flowing through communities such as Columbus and supporting local recreation and ecosystems.
  • A. Lemonweir River
    The Lemonweir River is a tributary waterway in central Wisconsin that flows through communities such as New Lisbon before joining the Wisconsin River.
  • B. Quashnet River
    The Quashnet River is a coastal river on Cape Cod in Massachusetts that flows through protected conservation lands before emptying into Waquoit Bay.
  • C. Still River
    Still River is a small tributary in western Connecticut that flows through the city of Danbury before joining the Housatonic River.
  • D. Sassafras River
    The Sassafras River is a tidal tributary of the Chesapeake Bay in Maryland known for its scenic shorelines, boating, and recreational fishing.
  • E. Burntwood River
    Burntwood River is a major river in northern Manitoba, Canada, that flows eastward through a series of lakes before joining the Nelson River and is known for its hydroelectric developments and remote boreal landscape.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Flatrock River
Triple: [Columbus, Indiana, locatedOn, Flatrock River]
Generated description
Flatrock River is a tributary of the East Fork of the White River in central Indiana, known for flowing through communities such as Columbus and supporting local recreation and ecosystems.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69c0087361a48190905c6b55969852b8 elicitation completed
NER batch_69c04f8458588190a78aa32cbdbecfb1 ner completed
NED1 batch_69d189c795d48190ba80739d07bc899c ned_source_triple completed
NED2 batch_69d18b6a2fb0819092ee274310721b50 ned_description completed
NEDg batch_69d18adf50308190bf1cc9d6dd1d7ea3 nedg completed
Created at: March 22, 2026, 4:06 p.m.