Triple

T13050079
Position Surface form Disambiguated ID Type / Status
Subject Vermillion, South Dakota E327427 entity
Predicate locatedOnRiver P165 FINISHED
Object Vermillion River
The Vermillion River is a tributary of the Missouri River in southeastern South Dakota, known for flowing through the city of Vermillion and its surrounding agricultural landscape.
 E1430629 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: Vermillion River | Statement: [Vermillion, South Dakota, locatedOnRiver, Vermillion River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Vermillion River
Context triple: [Vermillion, South Dakota, locatedOnRiver, Vermillion River]
  • A. Branch River
    Branch River is a river in Rhode Island that flows through communities such as Forestdale and contributes to the region’s local watershed and landscape.
  • B. Fish River
    Fish River is a major river in southern Namibia best known for carving the dramatic Fish River Canyon, one of the largest canyons in the world.
  • C. Pound River
    The Pound River is a tributary stream in New York State that feeds into the Croton River within the Croton River watershed.
  • D. Elkhorn River
    The Elkhorn River is a tributary in northeastern Nebraska that drains agricultural plains before joining the Platte River within the greater Missouri River watershed.
  • E. Flambeau River
    The Flambeau River is a scenic waterway in northern Wisconsin known for its forested surroundings, whitewater stretches, and popular canoeing and fishing opportunities.
  • 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: Vermillion River
Triple: [Vermillion, South Dakota, locatedOnRiver, Vermillion River]
Generated description
The Vermillion River is a tributary of the Missouri River in southeastern South Dakota, known for flowing through the city of Vermillion and its surrounding agricultural landscape.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Vermillion River
Target entity description: The Vermillion River is a tributary of the Missouri River in southeastern South Dakota, known for flowing through the city of Vermillion and its surrounding agricultural landscape.
  • A. Branch River
    Branch River is a river in Rhode Island that flows through communities such as Forestdale and contributes to the region’s local watershed and landscape.
  • B. Fish River
    Fish River is a major river in southern Namibia best known for carving the dramatic Fish River Canyon, one of the largest canyons in the world.
  • C. Pound River
    The Pound River is a tributary stream in New York State that feeds into the Croton River within the Croton River watershed.
  • D. Elkhorn River
    The Elkhorn River is a tributary in northeastern Nebraska that drains agricultural plains before joining the Platte River within the greater Missouri River watershed.
  • E. Flambeau River
    The Flambeau River is a scenic waterway in northern Wisconsin known for its forested surroundings, whitewater stretches, and popular canoeing and fishing opportunities.
  • 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_69d8076e64308190904fb5c93517c901 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69d980b8811c81908577f092e2736610 completed April 10, 2026, 10:59 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0883db3d888190a737968796e13f79 completed May 16, 2026, 2:49 p.m.
NEDg Description generation batch_6a0884d316148190b1fe155fc2dfbb7b completed May 16, 2026, 2:53 p.m.
NED2 Entity disambiguation (via description) batch_6a088565cbcc81909b4bbc286d272ef6 completed May 16, 2026, 2:55 p.m.
Created at: April 9, 2026, 8:57 p.m.