Triple

T232266

Position	Surface form	Disambiguated ID	Type / Status
Subject	California State Railroad Museum	`E4433`	entity
Predicate	operatedBy	`P86`	FINISHED
Object	California State Railroad Museum Foundation The California State Railroad Museum Foundation is a nonprofit organization that supports, funds, and manages programs and operations for the California State Railroad Museum in Sacramento.	`E4433`	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: California State Railroad Museum Foundation | Statement: [California State Railroad Museum, operatedBy, California State Railroad Museum Foundation]

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

Target entity: California State Railroad Museum Foundation
Context triple: [California State Railroad Museum, operatedBy, California State Railroad Museum Foundation]

A. California State Railroad Museum
The California State Railroad Museum is a major railway history museum in Sacramento showcasing historic locomotives, rolling stock, and exhibits on the development of railroads in California and the American West.
B. Conrail
Conrail was a major U.S. freight railroad formed in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
C. San Francisco Cable Car Museum
The San Francisco Cable Car Museum is a historic institution in San Francisco that showcases the city’s iconic cable car system, featuring preserved cars, machinery, and exhibits on their engineering and history.
D. California State Lands Commission
The California State Lands Commission is a state agency that manages and protects California’s publicly owned lands and resources, including tidelands, submerged lands, and the beds of navigable waterways.
E. Amtrak Sacramento Valley Station
Amtrak Sacramento Valley Station is the main intercity passenger rail station in Sacramento, California, serving Amtrak trains and regional transit connections.
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: California State Railroad Museum Foundation
Triple: [California State Railroad Museum, operatedBy, California State Railroad Museum Foundation]

Generated description

The California State Railroad Museum Foundation is a nonprofit organization that supports, funds, and manages programs and operations for the California State Railroad Museum in Sacramento.

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

Target entity: California State Railroad Museum Foundation
Target entity description: The California State Railroad Museum Foundation is a nonprofit organization that supports, funds, and manages programs and operations for the California State Railroad Museum in Sacramento.

A. California State Railroad Museum chosen
The California State Railroad Museum is a major railway history museum in Sacramento showcasing historic locomotives, rolling stock, and exhibits on the development of railroads in California and the American West.
B. Conrail
Conrail was a major U.S. freight railroad formed in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
C. San Francisco Cable Car Museum
The San Francisco Cable Car Museum is a historic institution in San Francisco that showcases the city’s iconic cable car system, featuring preserved cars, machinery, and exhibits on their engineering and history.
D. California State Lands Commission
The California State Lands Commission is a state agency that manages and protects California’s publicly owned lands and resources, including tidelands, submerged lands, and the beds of navigable waterways.
E. Amtrak Sacramento Valley Station
Amtrak Sacramento Valley Station is the main intercity passenger rail station in Sacramento, California, serving Amtrak trains and regional transit connections.
F. None of above.

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_69a257363ffc81909757bde7ab3404da`	completed	Feb. 28, 2026, 2:47 a.m.
NER	Named-entity recognition	`batch_69a25caf59948190bacac41a6ed84cb6`	completed	Feb. 28, 2026, 3:10 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69a36477882481909509048bfc98657f`	completed	Feb. 28, 2026, 9:56 p.m.
NEDg	Description generation	`batch_69a36506c52081909a27cac962209b75`	completed	Feb. 28, 2026, 9:58 p.m.
NED2	Entity disambiguation (via description)	`batch_69a365697cec819082f7584bcf7f9723`	completed	Feb. 28, 2026, 10 p.m.

Created at: Feb. 28, 2026, 2:53 a.m.