Triple

T3393667
Position Surface form Disambiguated ID Type / Status
Subject Minnesota River E71476 entity
Predicate sourceLocation P40 FINISHED
Object Minnesota–South Dakota border
The Minnesota–South Dakota border is the state line in the north-central United States separating Minnesota and South Dakota, much of which follows natural features such as rivers and survey lines across the prairie.
 E354895 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: Minnesota–South Dakota border | Statement: [Minnesota River, sourceLocation, Minnesota–South Dakota border]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Minnesota–South Dakota border
Context triple: [Minnesota River, sourceLocation, Minnesota–South Dakota border]
  • A. Nebraska–South Dakota border
    The Nebraska–South Dakota border is a U.S. state boundary running largely along the Missouri River, separating Nebraska to the south from South Dakota to the north.
  • B. Iowa–South Dakota border
    The Iowa–South Dakota border is the state line in the north-central United States that largely follows the course of the Big Sioux River, separating Iowa from South Dakota.
  • C. Nebraska–Missouri border
    The Nebraska–Missouri border is the state line in the central United States that largely follows the course of the Missouri River, separating Nebraska to the west from Missouri to the east.
  • D. Nebraska–Iowa border
    The Nebraska–Iowa border is the state line in the central United States that largely follows the course of the Missouri River, separating Nebraska to the west from Iowa to the east.
  • E. Missouri–Kansas state line
    The Missouri–Kansas state line is the boundary separating the states of Missouri and Kansas, notably running through the Kansas City metropolitan area and dividing it between the two states.
  • 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: Minnesota–South Dakota border
Triple: [Minnesota River, sourceLocation, Minnesota–South Dakota border]
Generated description
The Minnesota–South Dakota border is the state line in the north-central United States separating Minnesota and South Dakota, much of which follows natural features such as rivers and survey lines across the prairie.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Minnesota–South Dakota border
Target entity description: The Minnesota–South Dakota border is the state line in the north-central United States separating Minnesota and South Dakota, much of which follows natural features such as rivers and survey lines across the prairie.
  • A. Nebraska–South Dakota border
    The Nebraska–South Dakota border is a U.S. state boundary running largely along the Missouri River, separating Nebraska to the south from South Dakota to the north.
  • B. Iowa–South Dakota border
    The Iowa–South Dakota border is the state line in the north-central United States that largely follows the course of the Big Sioux River, separating Iowa from South Dakota.
  • C. Nebraska–Missouri border
    The Nebraska–Missouri border is the state line in the central United States that largely follows the course of the Missouri River, separating Nebraska to the west from Missouri to the east.
  • D. Nebraska–Iowa border
    The Nebraska–Iowa border is the state line in the central United States that largely follows the course of the Missouri River, separating Nebraska to the west from Iowa to the east.
  • E. Missouri–Kansas state line
    The Missouri–Kansas state line is the boundary separating the states of Missouri and Kansas, notably running through the Kansas City metropolitan area and dividing it between the two states.
  • 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_69ad85a9c4a88190a854019341cb3b60 completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb853746c8190bfa1447e6ebbefb3 completed March 8, 2026, 5:56 p.m.
NED1 Entity disambiguation (via context triple) batch_69b34bc8a75c8190ab4f652272d33576 completed March 12, 2026, 11:27 p.m.
NEDg Description generation batch_69b34e46b2b48190aedee8dabf5285bd completed March 12, 2026, 11:37 p.m.
NED2 Entity disambiguation (via description) batch_69b34fc0b830819082b50ebd14b6490b completed March 12, 2026, 11:44 p.m.
Created at: March 8, 2026, 3:14 p.m.