Triple

T8871117
Position Surface form Disambiguated ID Type / Status
Subject Winterset, Iowa E211156 entity
Predicate locatedOn P40 FINISHED
Object Middle River (nearby)
Middle River is a small river in central Iowa known for flowing through Madison County’s rural landscape near the city of Winterset.
 E763429 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Middle River (nearby) | Statement: [Winterset, Iowa, locatedOn, Middle River (nearby)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Middle River (nearby)
Context triple: [Winterset, Iowa, locatedOn, Middle River (nearby)]
  • A. Middle River, Maryland
    Middle River, Maryland is a suburban community in Baltimore County known for its residential neighborhoods, waterfront areas, and proximity to Martin State Airport and the greater Baltimore region.
  • B. Middle Patuxent River
    The Middle Patuxent River is a significant tributary stream in central Maryland that flows through Howard County and contributes to the Patuxent River watershed.
  • C. Middle River
    Middle River is a central stretch of the River Cam in Cambridge, England, known for its scenic college-backed banks and popular punting routes.
  • D. Middle River
    Middle River is an unincorporated community and census-designated place in Maryland known for its residential neighborhoods and proximity to the Back River and Chesapeake Bay.
  • E. Aquia Creek area
    The Aquia Creek area is a historic region in Stafford County, Virginia, known for its sandstone quarries that supplied building stone for prominent early American structures, including parts of the U.S. Capitol and White House.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
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: Middle River (nearby)
Triple: [Winterset, Iowa, locatedOn, Middle River (nearby)]
Generated description
Middle River is a small river in central Iowa known for flowing through Madison County’s rural landscape near the city of Winterset.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Middle River (nearby)
Target entity description: Middle River is a small river in central Iowa known for flowing through Madison County’s rural landscape near the city of Winterset.
  • A. Middle River, Maryland
    Middle River, Maryland is a suburban community in Baltimore County known for its residential neighborhoods, waterfront areas, and proximity to Martin State Airport and the greater Baltimore region.
  • B. Middle Patuxent River
    The Middle Patuxent River is a significant tributary stream in central Maryland that flows through Howard County and contributes to the Patuxent River watershed.
  • C. Middle River
    Middle River is a central stretch of the River Cam in Cambridge, England, known for its scenic college-backed banks and popular punting routes.
  • D. Middle River
    Middle River is an unincorporated community and census-designated place in Maryland known for its residential neighborhoods and proximity to the Back River and Chesapeake Bay.
  • E. Aquia Creek area
    The Aquia Creek area is a historic region in Stafford County, Virginia, known for its sandstone quarries that supplied building stone for prominent early American structures, including parts of the U.S. Capitol and White House.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69ca838d3c7c8190a849566d5afd2b11 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc6126d2f88190979ab25772ee657c completed April 1, 2026, 12:04 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfa0ea9f5c8190b5c32fb1fefdc68b completed April 3, 2026, 11:13 a.m.
NEDg Description generation batch_69cfa191d7d0819085a6b9bf7fa56067 completed April 3, 2026, 11:16 a.m.
NED2 Entity disambiguation (via description) batch_69cfa28b1d1c8190ab4a10ba8fa7259d completed April 3, 2026, 11:20 a.m.
Created at: March 30, 2026, 6:51 p.m.