Triple
T4108795
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Pacific dome cars |
E88517
|
entity |
| Predicate | notableCar |
P44380
|
FINISHED |
| Object |
City of Portland dome diner
The City of Portland dome diner was a streamlined Union Pacific passenger railcar featuring an elevated glass-enclosed dome section where travelers could dine while enjoying panoramic views along the City of Portland route.
|
E414172
|
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: City of Portland dome diner | Statement: [Union Pacific dome cars, notableCar, City of Portland dome diner]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: City of Portland dome diner Context triple: [Union Pacific dome cars, notableCar, City of Portland dome diner]
-
A.
Dockside Diner
Dockside Diner is a casual, retro-themed quick-service restaurant located on the shores of Echo Lake in Disney’s Hollywood Studios.
-
B.
Carthay Circle Restaurant
Carthay Circle Restaurant is an upscale, Old Hollywood–themed dining venue in Disney California Adventure Park known for its refined cuisine and tribute to Disney’s classic film history.
-
C.
Sylvia’s Restaurant
Sylvia’s Restaurant is a famed soul food eatery in Harlem, New York City, celebrated as a cultural institution and gathering place for locals, celebrities, and politicians alike.
-
D.
All Star Cafe
All Star Cafe was a themed sports restaurant chain backed by prominent athletes and media partners that operated in the late 1990s and early 2000s.
-
E.
Maine Avenue Fish Market
The Maine Avenue Fish Market is a historic open-air seafood market in Washington, D.C., known as one of the oldest continuously operating fish markets in the United States.
- 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: City of Portland dome diner Triple: [Union Pacific dome cars, notableCar, City of Portland dome diner]
Generated description
The City of Portland dome diner was a streamlined Union Pacific passenger railcar featuring an elevated glass-enclosed dome section where travelers could dine while enjoying panoramic views along the City of Portland route.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: City of Portland dome diner Target entity description: The City of Portland dome diner was a streamlined Union Pacific passenger railcar featuring an elevated glass-enclosed dome section where travelers could dine while enjoying panoramic views along the City of Portland route.
-
A.
Dockside Diner
Dockside Diner is a casual, retro-themed quick-service restaurant located on the shores of Echo Lake in Disney’s Hollywood Studios.
-
B.
Carthay Circle Restaurant
Carthay Circle Restaurant is an upscale, Old Hollywood–themed dining venue in Disney California Adventure Park known for its refined cuisine and tribute to Disney’s classic film history.
-
C.
Sylvia’s Restaurant
Sylvia’s Restaurant is a famed soul food eatery in Harlem, New York City, celebrated as a cultural institution and gathering place for locals, celebrities, and politicians alike.
-
D.
All Star Cafe
All Star Cafe was a themed sports restaurant chain backed by prominent athletes and media partners that operated in the late 1990s and early 2000s.
-
E.
Maine Avenue Fish Market
The Maine Avenue Fish Market is a historic open-air seafood market in Washington, D.C., known as one of the oldest continuously operating fish markets in the United States.
- 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_69aed9484fb881909146f4c772ad277c |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69af01da2b88819088a45401c0ec743a |
completed | March 9, 2026, 5:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b56b850d588190a0fc4b784bc7ca4f |
completed | March 14, 2026, 2:07 p.m. |
| NEDg | Description generation | batch_69b56f7c95988190991350cfbdda9dde |
completed | March 14, 2026, 2:23 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b56fd9293c8190ac60091bc4c447ef |
completed | March 14, 2026, 2:25 p.m. |
Created at: March 9, 2026, 3:40 p.m.