Coast Daylight
E117842
Coast Daylight was a famous Southern Pacific Railroad daytime passenger train that ran along the scenic California coast between Los Angeles and San Francisco.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Coast Daylight canonical | 5 |
| Southern Pacific Coast Daylight | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1003250 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Coast Daylight Context triple: [Coast Starlight, predecessorService, Coast Daylight]
-
A.
Alaska Daylight Time
Alaska Daylight Time is the daylight saving time observed in most of the U.S. state of Alaska, running one hour ahead of Alaska Standard Time.
-
B.
Hawaii–Aleutian Standard Time
Hawaii–Aleutian Standard Time is the time zone used by Hawaii and part of the Aleutian Islands, typically 10 hours behind Coordinated Universal Time (UTC−10:00).
-
C.
Yukon Time Zone
The Yukon Time Zone is a North American time zone used primarily in Canada's Yukon territory, aligning year-round with Pacific Daylight Time.
-
D.
Anadyr Time
Anadyr Time is the time zone used in Russia’s far northeastern regions, including Chukotka and parts of the Russian Far East, offset well ahead of Coordinated Universal Time.
-
E.
Alaska Time Zone
The Alaska Time Zone is the standard time zone used by most of the U.S. state of Alaska, observing a time offset one hour behind Pacific Time.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Coast Daylight Target entity description: Coast Daylight was a famous Southern Pacific Railroad daytime passenger train that ran along the scenic California coast between Los Angeles and San Francisco.
-
A.
Alaska Daylight Time
Alaska Daylight Time is the daylight saving time observed in most of the U.S. state of Alaska, running one hour ahead of Alaska Standard Time.
-
B.
Hawaii–Aleutian Standard Time
Hawaii–Aleutian Standard Time is the time zone used by Hawaii and part of the Aleutian Islands, typically 10 hours behind Coordinated Universal Time (UTC−10:00).
-
C.
Yukon Time Zone
The Yukon Time Zone is a North American time zone used primarily in Canada's Yukon territory, aligning year-round with Pacific Daylight Time.
-
D.
Anadyr Time
Anadyr Time is the time zone used in Russia’s far northeastern regions, including Chukotka and parts of the Russian Far East, offset well ahead of Coordinated Universal Time.
-
E.
Alaska Time Zone
The Alaska Time Zone is the standard time zone used by most of the U.S. state of Alaska, observing a time offset one hour behind Pacific Time.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
named train
ⓘ
passenger train ⓘ |
| amenity |
dining car
ⓘ
observation car ⓘ parlor car ⓘ |
| category |
Southern Pacific Railroad
ⓘ
surface form:
Southern Pacific Railroad passenger trains
named passenger trains of the United States ⓘ |
| colorScheme |
black
ⓘ
orange ⓘ red ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| endPoint | San Francisco ⓘ |
| historicalEra | streamliner era in the United States ⓘ |
| introduced | 1937 ⓘ |
| knownFor |
colorful streamlined equipment
ⓘ
scenic coastal views ⓘ |
| locomotiveClassUsed |
Southern Pacific GS-3
ⓘ
Southern Pacific GS-4 ⓘ |
| namedAfter | California coast ⓘ |
| nickname | Most Beautiful Train in the World ⓘ |
| notableFeature |
onboard dining service
ⓘ
ran along the Pacific Ocean shoreline ⓘ streamlined passenger cars ⓘ |
| operatedBy |
Southern Pacific Railroad
ⓘ
surface form:
Southern Pacific Transportation Company
|
| operatedOn |
Southern Pacific Railroad
ⓘ
surface form:
Southern Pacific Coast Line
|
| operator | Southern Pacific Railroad ⓘ |
| primaryRouteName | Coast Line ⓘ |
| propulsion |
diesel locomotives
ⓘ
steam locomotives ⓘ |
| railLineUsed | SP Coast Line between Los Angeles and San Francisco ⓘ |
| railroadClass | inter-city passenger train ⓘ |
| railwayCompany | Southern Pacific Railroad ⓘ |
| railwayNetwork |
Southern Pacific Railroad
ⓘ
surface form:
Southern Pacific system
|
| regionServed |
California, United States
ⓘ
surface form:
California
|
| route | Los Angeles–San Francisco ⓘ |
| scenicSection |
San Luis Obispo to Salinas
ⓘ
Santa Barbara to San Luis Obispo ⓘ |
| serviceClass |
coach
ⓘ
first class ⓘ |
| serviceFrequency | daily ⓘ |
| serviceNature | long-distance day train ⓘ |
| servicePattern | daytime only ⓘ |
| serviceType | daytime passenger service ⓘ |
| startPoint | Los Angeles ⓘ |
| timeOfDay | daytime ⓘ |
| trackGauge | standard gauge ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Coast Daylight Description of subject: Coast Daylight was a famous Southern Pacific Railroad daytime passenger train that ran along the scenic California coast between Los Angeles and San Francisco.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Southern Pacific Railroad
this entity surface form:
Southern Pacific Coast Daylight