Triple

T5211082

Position	Surface form	Disambiguated ID	Type / Status
Subject	Nebraska–Iowa border	`E117633`	entity
Predicate	hasMajorCrossing	`P12328`	FINISHED
Object	Missouri River bridge between Omaha and Council Bluffs The Missouri River bridge between Omaha and Council Bluffs is a key roadway span linking Omaha, Nebraska, and Council Bluffs, Iowa, across the Missouri River.	`E503480`	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: Missouri River bridge between Omaha and Council Bluffs | Statement: [Nebraska–Iowa border, hasMajorCrossing, Missouri River bridge between Omaha and Council Bluffs]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Missouri River bridge between Omaha and Council Bluffs
Context triple: [Nebraska–Iowa border, hasMajorCrossing, Missouri River bridge between Omaha and Council Bluffs]

A. Centennial Bridge over the Missouri River
The Centennial Bridge over the Missouri River is a major vehicular bridge connecting Leavenworth, Kansas, with communities across the river in Missouri, serving as an important regional transportation link.
B. I-80 bridge over Iowa River
The I-80 bridge over the Iowa River is a highway bridge in Iowa that carries Interstate 80 across the Iowa River as part of a major east–west transportation corridor in the United States.
C. Main Channel Bridge over the Mississippi River
The Main Channel Bridge over the Mississippi River is a major highway bridge that carries traffic across the river at Winona, Minnesota, serving as a key regional transportation link.
D. Whirlpool Rapids Bridge
Whirlpool Rapids Bridge is a historic steel arch bridge connecting Niagara Falls, New York, and Niagara Falls, Ontario, spanning the Niagara Gorge just downstream from the famous falls.
E. Eads Bridge
Eads Bridge is a historic 19th-century steel arch bridge over the Mississippi River, renowned as one of the first major bridges to use steel extensively in its construction.
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: Missouri River bridge between Omaha and Council Bluffs
Triple: [Nebraska–Iowa border, hasMajorCrossing, Missouri River bridge between Omaha and Council Bluffs]

Generated description

The Missouri River bridge between Omaha and Council Bluffs is a key roadway span linking Omaha, Nebraska, and Council Bluffs, Iowa, across the Missouri River.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Missouri River bridge between Omaha and Council Bluffs
Target entity description: The Missouri River bridge between Omaha and Council Bluffs is a key roadway span linking Omaha, Nebraska, and Council Bluffs, Iowa, across the Missouri River.

A. Centennial Bridge over the Missouri River
The Centennial Bridge over the Missouri River is a major vehicular bridge connecting Leavenworth, Kansas, with communities across the river in Missouri, serving as an important regional transportation link.
B. I-80 bridge over Iowa River
The I-80 bridge over the Iowa River is a highway bridge in Iowa that carries Interstate 80 across the Iowa River as part of a major east–west transportation corridor in the United States.
C. Main Channel Bridge over the Mississippi River
The Main Channel Bridge over the Mississippi River is a major highway bridge that carries traffic across the river at Winona, Minnesota, serving as a key regional transportation link.
D. Whirlpool Rapids Bridge
Whirlpool Rapids Bridge is a historic steel arch bridge connecting Niagara Falls, New York, and Niagara Falls, Ontario, spanning the Niagara Gorge just downstream from the famous falls.
E. Eads Bridge
Eads Bridge is a historic 19th-century steel arch bridge over the Mississippi River, renowned as one of the first major bridges to use steel extensively in its construction.
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_69bd4464ba3c8190bc16b2ebbe42ddb0`	completed	March 20, 2026, 12:58 p.m.
NER	Named-entity recognition	`batch_69bd7a7166848190805152142e184529`	completed	March 20, 2026, 4:48 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69beefd9e0b481908db7d6e2907b3b2b`	completed	March 21, 2026, 7:22 p.m.
NEDg	Description generation	`batch_69bef0b1fe9c8190bfc1be621c7c1c76`	completed	March 21, 2026, 7:25 p.m.
NED2	Entity disambiguation (via description)	`batch_69bef16739148190b9700228be7d07f9`	completed	March 21, 2026, 7:28 p.m.

Created at: March 20, 2026, 1:47 p.m.