Triple

T1245895

Position	Surface form	Disambiguated ID	Type / Status
Subject	Baltimore and Ohio Railroad	`E26763`	entity
Predicate	hasHeritageSite	`P923`	FINISHED
Object	B&O Railroad Museum The B&O Railroad Museum is a major American railway museum in Baltimore, Maryland, showcasing historic locomotives, rolling stock, and artifacts from the early development of rail transport in the United States.	`E142156`	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: B&O Railroad Museum | Statement: [Baltimore and Ohio Railroad, hasHeritageSite, B&O Railroad Museum]

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

Target entity: B&O Railroad Museum
Context triple: [Baltimore and Ohio Railroad, hasHeritageSite, B&O Railroad Museum]

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. Chatham Railroad Museum
The Chatham Railroad Museum is a local history museum in Chatham, Massachusetts, dedicated to preserving and interpreting the town’s railroad heritage through exhibits, artifacts, and educational displays.
C. Thomas Edison Depot Museum
The Thomas Edison Depot Museum is a historical museum in Port Huron, Michigan, dedicated to the early life and inventions of Thomas Edison, housed in the former railroad depot where he once worked.
D. Chesapeake Beach Railway Museum
The Chesapeake Beach Railway Museum is a local history museum in Chesapeake Beach, Maryland, dedicated to preserving and interpreting the story of the historic Chesapeake Beach Railway and the resort town that grew around it.
E. Remington Carriage Museum
The Remington Carriage Museum is a major museum in Alberta, Canada, dedicated to preserving and showcasing one of the world’s largest collections of horse-drawn vehicles and related transportation history.
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: B&O Railroad Museum
Triple: [Baltimore and Ohio Railroad, hasHeritageSite, B&O Railroad Museum]

Generated description

The B&O Railroad Museum is a major American railway museum in Baltimore, Maryland, showcasing historic locomotives, rolling stock, and artifacts from the early development of rail transport in the United States.

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

Target entity: B&O Railroad Museum
Target entity description: The B&O Railroad Museum is a major American railway museum in Baltimore, Maryland, showcasing historic locomotives, rolling stock, and artifacts from the early development of rail transport in the United States.

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. Chatham Railroad Museum
The Chatham Railroad Museum is a local history museum in Chatham, Massachusetts, dedicated to preserving and interpreting the town’s railroad heritage through exhibits, artifacts, and educational displays.
C. Thomas Edison Depot Museum
The Thomas Edison Depot Museum is a historical museum in Port Huron, Michigan, dedicated to the early life and inventions of Thomas Edison, housed in the former railroad depot where he once worked.
D. Chesapeake Beach Railway Museum
The Chesapeake Beach Railway Museum is a local history museum in Chesapeake Beach, Maryland, dedicated to preserving and interpreting the story of the historic Chesapeake Beach Railway and the resort town that grew around it.
E. Remington Carriage Museum
The Remington Carriage Museum is a major museum in Alberta, Canada, dedicated to preserving and showcasing one of the world’s largest collections of horse-drawn vehicles and related transportation history.
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_69a4948689d08190b3a4a3f388c02148`	completed	March 1, 2026, 7:33 p.m.
NER	Named-entity recognition	`batch_69a4bf65c41c8190b4c65e015d1264c0`	completed	March 1, 2026, 10:36 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69ac8f7da5c48190b013f1578c160d78`	completed	March 7, 2026, 8:50 p.m.
NEDg	Description generation	`batch_69ac8ff7ae0c81908ca8ace1f4159383`	completed	March 7, 2026, 8:52 p.m.
NED2	Entity disambiguation (via description)	`batch_69ac905ce0c48190a8465988161f19ed`	completed	March 7, 2026, 8:53 p.m.

Created at: March 1, 2026, 7:47 p.m.