Triple

T989679
Position Surface form Disambiguated ID Type / Status
Subject Missouri River E21358 entity
Predicate USStateBorderFor P22803 FINISHED
Object 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.
 E118432 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: Nebraska–Missouri border | Statement: [Missouri River, USStateBorderFor, Nebraska–Missouri border]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Nebraska–Missouri border
Context triple: [Missouri River, USStateBorderFor, Nebraska–Missouri border]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Alabama–Mississippi border
    The Alabama–Mississippi border is the state line separating Alabama and Mississippi in the southeastern United States, running through rural areas, forests, and river crossings.
  • E. Missouri Bootheel
    The Missouri Bootheel is the southeasternmost region of Missouri, known for its distinctive boot-shaped protrusion into Arkansas and its rich agricultural landscape in the Mississippi Alluvial Plain.
  • 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: Nebraska–Missouri border
Triple: [Missouri River, USStateBorderFor, Nebraska–Missouri border]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Nebraska–Missouri border
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Alabama–Mississippi border
    The Alabama–Mississippi border is the state line separating Alabama and Mississippi in the southeastern United States, running through rural areas, forests, and river crossings.
  • E. Missouri Bootheel
    The Missouri Bootheel is the southeasternmost region of Missouri, known for its distinctive boot-shaped protrusion into Arkansas and its rich agricultural landscape in the Mississippi Alluvial Plain.
  • 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_69a493c383dc8190a03257f22d4b4183 completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b75103688190a14342eef3842984 completed March 1, 2026, 10:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac2a1684ac8190952d7143fe9a5e7f completed March 7, 2026, 1:37 p.m.
NEDg Description generation batch_69ac2b040ce8819092661f4e58a6a222 completed March 7, 2026, 1:41 p.m.
NED2 Entity disambiguation (via description) batch_69ac2b5805288190a986e72f7aa24764 completed March 7, 2026, 1:42 p.m.
Created at: March 1, 2026, 7:41 p.m.