Triple

T20720924
Position Surface form Disambiguated ID Type / Status
Subject U.S. Route 81 Missouri River bridge near Yankton E509308 entity
Predicate crossesAt P10257 FINISHED
Object Nebraska–South Dakota state line NE NERFINISHED

How this triple was built (2 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–South Dakota state line | Statement: [U.S. Route 81 Missouri River bridge near Yankton, crossesAt, Nebraska–South Dakota state line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nebraska–South Dakota state line
Context triple: [U.S. Route 81 Missouri River bridge near Yankton, crossesAt, Nebraska–South Dakota state line]
  • A. Nebraska–South Dakota border chosen
    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. Nebraska–Kansas state line
    The Nebraska–Kansas state line is the boundary separating the U.S. states of Nebraska and Kansas, running east–west across the central Great Plains.
  • C. South Dakota–North Dakota border
    The South Dakota–North Dakota border is the straight east–west state line separating South Dakota and North Dakota in the north-central United States.
  • D. South Dakota–Wyoming border
    The South Dakota–Wyoming border is the state line in the north-central United States separating South Dakota from Wyoming, running near landmarks such as the Black Hills region.
  • E. Nebraska–Wyoming border
    The Nebraska–Wyoming border is the state line in the western Great Plains where Nebraska meets Wyoming, running largely north–south and helping define the political and geographic boundary between the two states.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e0b4c4cc648190b45fda6e2b20af56 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c1d5eec08190832ffba8a90f3076 completed April 21, 2026, 12:16 a.m.
Created at: April 16, 2026, 12:27 p.m.