Triple

T20910574

Position	Surface form	Disambiguated ID	Type / Status
Subject	Owosso, Michigan	`E514929`	entity
Predicate	hasNotableAttraction	`P5121`	FINISHED
Object	Steam Railroading Institute The Steam Railroading Institute is a heritage railroad museum and excursion operator dedicated to preserving and operating historic steam locomotives and educating the public about steam-era railroading.	`E1457122`	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: Steam Railroading Institute | Statement: [Owosso, Michigan, hasNotableAttraction, Steam Railroading Institute]

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

Target entity: Steam Railroading Institute
Context triple: [Owosso, Michigan, hasNotableAttraction, Steam Railroading Institute]

A. Museum of the American Railroad
The Museum of the American Railroad is a heritage museum in Frisco, Texas, dedicated to preserving and showcasing historic locomotives, railcars, and the history of railroading in the United States.
B. Orange Empire Railway Museum
The Orange Empire Railway Museum is a large heritage railroad and trolley museum in Perris, California, featuring historic trains, streetcars, and railway artifacts that showcase the history of rail transportation in the region.
C. Pacific Southwest Railway Museum
The Pacific Southwest Railway Museum is a heritage railroad and museum in Campo, California, dedicated to preserving and operating historic railway equipment from the American Southwest.
D. Interurban Railway Museum
The Interurban Railway Museum is a historic museum in Plano, Texas, dedicated to preserving and interpreting the history of electric interurban railways and local transportation.
E. Union Pacific Railroad Museum
The Union Pacific Railroad Museum is a history museum in Council Bluffs, Iowa, dedicated to preserving and showcasing the heritage of the Union Pacific Railroad and American railroading.
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: Steam Railroading Institute
Triple: [Owosso, Michigan, hasNotableAttraction, Steam Railroading Institute]

Generated description

The Steam Railroading Institute is a heritage railroad museum and excursion operator dedicated to preserving and operating historic steam locomotives and educating the public about steam-era railroading.

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

Target entity: Steam Railroading Institute
Target entity description: The Steam Railroading Institute is a heritage railroad museum and excursion operator dedicated to preserving and operating historic steam locomotives and educating the public about steam-era railroading.

A. Museum of the American Railroad
The Museum of the American Railroad is a heritage museum in Frisco, Texas, dedicated to preserving and showcasing historic locomotives, railcars, and the history of railroading in the United States.
B. Orange Empire Railway Museum
The Orange Empire Railway Museum is a large heritage railroad and trolley museum in Perris, California, featuring historic trains, streetcars, and railway artifacts that showcase the history of rail transportation in the region.
C. Pacific Southwest Railway Museum
The Pacific Southwest Railway Museum is a heritage railroad and museum in Campo, California, dedicated to preserving and operating historic railway equipment from the American Southwest.
D. Interurban Railway Museum
The Interurban Railway Museum is a historic museum in Plano, Texas, dedicated to preserving and interpreting the history of electric interurban railways and local transportation.
E. Union Pacific Railroad Museum
The Union Pacific Railroad Museum is a history museum in Council Bluffs, Iowa, dedicated to preserving and showcasing the heritage of the Union Pacific Railroad and American railroading.
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_69e0b4f9d5ec8190bb2bd27350ed341c`	completed	April 16, 2026, 10:07 a.m.
NER	Named-entity recognition	`batch_69e6ec5e3f988190932956119197e3b1`	completed	April 21, 2026, 3:17 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a0918dc2f9481908a7364ce25f11eb0`	completed	May 17, 2026, 1:24 a.m.
NEDg	Description generation	`batch_6a091bee5e3c8190adc31821815f7878`	completed	May 17, 2026, 1:37 a.m.
NED2	Entity disambiguation (via description)	`batch_6a091c9c47048190be29a12c1d074d98`	completed	May 17, 2026, 1:40 a.m.

Created at: April 16, 2026, 12:48 p.m.