Sounder North Line
E149580
The Sounder North Line is a commuter rail service in the Seattle metropolitan area that runs along the Puget Sound, connecting Seattle with communities to the north such as Everett.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sounder North Line canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T1301641 — 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: Sounder North Line Context triple: [King Street Station, railwayLineServed, Sounder North Line]
-
A.
Far North Line
The Far North Line is a scenic rural railway in the Scottish Highlands that runs from Inverness to the northern coastal towns of Wick and Thurso, serving some of the most remote communities in mainland Britain.
-
B.
Great Western Main Line
The Great Western Main Line is a major intercity railway route in England that connects London with key cities in the west, including Bristol and South Wales.
-
C.
Dyre Avenue Line
The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
-
D.
Pelham Line
The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
-
E.
Trenton Line
Trenton Line is a commuter rail service in the Philadelphia region operated by SEPTA Regional Rail, connecting Center City Philadelphia with Trenton, New Jersey.
- 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: Sounder North Line Target entity description: The Sounder North Line is a commuter rail service in the Seattle metropolitan area that runs along the Puget Sound, connecting Seattle with communities to the north such as Everett.
-
A.
Far North Line
The Far North Line is a scenic rural railway in the Scottish Highlands that runs from Inverness to the northern coastal towns of Wick and Thurso, serving some of the most remote communities in mainland Britain.
-
B.
Great Western Main Line
The Great Western Main Line is a major intercity railway route in England that connects London with key cities in the west, including Bristol and South Wales.
-
C.
Dyre Avenue Line
The Dyre Avenue Line is a New York City Subway line in the Bronx operated by the IRT division, primarily serving the 5 train along a former New York, Westchester and Boston Railway right-of-way.
-
D.
Pelham Line
The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
-
E.
Trenton Line
Trenton Line is a commuter rail service in the Philadelphia region operated by SEPTA Regional Rail, connecting Center City Philadelphia with Trenton, New Jersey.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail service
ⓘ
passenger rail line ⓘ |
| brand | Sounder ⓘ |
| connects |
Everett
ⓘ
Seattle ⓘ intermediate communities along Puget Sound ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| electrification | none ⓘ |
| fareSystem | Sound Transit fare system ⓘ |
| follows |
Puget Sound shoreline
ⓘ
linked to:
Puget Sound region
|
| lineOrientation | north–south ⓘ |
| locatedIn | Seattle metropolitan area ⓘ |
| mode | rail ⓘ |
| operator | Sound Transit ⓘ |
| owner | Sound Transit ⓘ |
| partOf | Sounder commuter rail ⓘ |
| primaryCityServed |
Everett
ⓘ
Seattle ⓘ |
| propulsion | diesel ⓘ |
| railGauge | standard gauge ⓘ |
| region | Puget Sound region ⓘ |
| runsAlong |
BNSF Railway corridor
ⓘ
linked to:
BNSF Railway Monticello Subdivision
|
| safetySystem | Positive Train Control ⓘ |
| serves | Seattle metropolitan area ⓘ |
| servicePattern | weekday‑focused service ⓘ |
| serviceType | peak‑hour commuter service ⓘ |
| state | Washington ⓘ |
| terminus |
Everett
ⓘ
Seattle ⓘ |
| ticketing | ORCA card accepted ⓘ |
| trackUsage | shared with freight trains ⓘ |
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: Sounder North Line Description of subject: The Sounder North Line is a commuter rail service in the Seattle metropolitan area that runs along the Puget Sound, connecting Seattle with communities to the north such as Everett.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.