Triple
T18030070
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | former Council Bluffs Carnegie Library building |
E431360
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Union Pacific Railroad Museum |
—
|
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: Union Pacific Railroad Museum | Statement: [former Council Bluffs Carnegie Library building, operator, Union Pacific Railroad Museum]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union Pacific Railroad Museum Context triple: [former Council Bluffs Carnegie Library building, operator, Union Pacific Railroad Museum]
-
A.
Union Pacific Railroad Museum
chosen
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.
-
B.
Western America Railroad Museum
The Western America Railroad Museum is a museum in Barstow, California, dedicated to preserving and showcasing the history and artifacts of railroading in the American West.
-
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.
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.
-
E.
Colorado Railroad Museum
The Colorado Railroad Museum is a heritage museum in Golden, Colorado, dedicated to preserving and showcasing the history of railroading in the American West through historic locomotives, rolling stock, and exhibits.
- 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_69d8b9050fb48190890155145deb0a66 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4be347f6c8190b324fe74b7dc1764 |
completed | April 19, 2026, 11:36 a.m. |
Created at: April 10, 2026, 10:25 a.m.