Triple
T17069382
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | City of Portland dome diner |
E414172
|
entity |
| Predicate | associatedWith |
P37
|
FINISHED |
| Object | City of Portland (Union Pacific streamliner) |
E393020
|
NE FINISHED |
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: City of Portland (Union Pacific streamliner) | Statement: [City of Portland dome diner, associatedWith, City of Portland (Union Pacific streamliner)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: City of Portland (Union Pacific streamliner) Context triple: [City of Portland dome diner, associatedWith, City of Portland (Union Pacific streamliner)]
-
A.
Union Pacific City of Portland
chosen
Union Pacific City of Portland was a streamlined passenger train operated by the Union Pacific Railroad that provided luxury long-distance service between Chicago and Portland in the mid-20th century.
-
B.
Central Pacific Railroad No. 173
Central Pacific Railroad No. 173 was a 19th-century steam locomotive whose design and appearance helped inspire the look of Disneyland’s C.K. Holliday engine.
-
C.
Union Pacific City of San Francisco
Union Pacific City of San Francisco was a premier streamlined passenger train that operated between Chicago and San Francisco, known for its luxury amenities and scenic transcontinental route.
-
D.
Standard Passenger Pacific of the PRR
The "Standard Passenger Pacific of the PRR" refers to the Pennsylvania Railroad’s K4s class, a highly successful and iconic 4-6-2 steam locomotive that became the railroad’s primary passenger engine in the early to mid-20th century.
-
E.
Union Pacific Overland Route
The Union Pacific Overland Route was a premier transcontinental rail line that served as a primary passenger and freight corridor across the western United States.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d886cef44c8190ba56c44b4e863e64 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3dbbfb1f08190807301ff6e573cf5 |
completed | April 18, 2026, 7:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a012eda04d08190b450fbfc6ccb9054 |
completed | May 11, 2026, 1:20 a.m. |
Created at: April 10, 2026, 5:34 a.m.