Crystal Lake station
E457746
Crystal Lake station is a commuter rail stop in Crystal Lake, Illinois, serving Metra’s Union Pacific Northwest Line to and from Chicago.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Crystal Lake station canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4640854 — 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: Crystal Lake station Context triple: [Crystal Lake, Illinois, hasRailwayStation, Crystal Lake station]
-
A.
Lake station
Lake station is a Chicago 'L' rapid transit station on the Loop, serving as a key stop in the city's downtown elevated rail system.
-
B.
Big Lake station
Big Lake station is a commuter rail station in Big Lake, Minnesota, serving as the northern endpoint of the Northstar Line connecting to the Minneapolis–Saint Paul metropolitan area.
-
C.
Angle Lake Station
Angle Lake Station is an elevated Sound Transit Link light rail station in SeaTac, Washington, serving as the southern terminus of the 1 Line near Seattle–Tacoma International Airport.
-
D.
Bethesda station
Bethesda station is an underground Washington Metro station in Bethesda, Maryland, serving the Red Line and the surrounding downtown commercial district.
-
E.
Round Lake Beach station
Round Lake Beach station is a commuter rail station in Round Lake Beach, Illinois, served by Metra’s North Central Service line connecting the northern suburbs to downtown Chicago.
- 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: Crystal Lake station Target entity description: Crystal Lake station is a commuter rail stop in Crystal Lake, Illinois, serving Metra’s Union Pacific Northwest Line to and from Chicago.
-
A.
Lake station
Lake station is a Chicago 'L' rapid transit station on the Loop, serving as a key stop in the city's downtown elevated rail system.
-
B.
Big Lake station
Big Lake station is a commuter rail station in Big Lake, Minnesota, serving as the northern endpoint of the Northstar Line connecting to the Minneapolis–Saint Paul metropolitan area.
-
C.
Angle Lake Station
Angle Lake Station is an elevated Sound Transit Link light rail station in SeaTac, Washington, serving as the southern terminus of the 1 Line near Seattle–Tacoma International Airport.
-
D.
Bethesda station
Bethesda station is an underground Washington Metro station in Bethesda, Maryland, serving the Red Line and the surrounding downtown commercial district.
-
E.
Round Lake Beach station
Round Lake Beach station is a commuter rail station in Round Lake Beach, Illinois, served by Metra’s North Central Service line connecting the northern suburbs to downtown Chicago.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
commuter rail station
ⓘ
railway station in the United States ⓘ |
| category | Metra stations in McHenry County, Illinois ⓘ |
| connectsTo |
Chicago, Illinois
ⓘ
linked to:
Chicago
Harvard branch of Union Pacific Northwest Line ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| distanceToChicagoDowntown | approximately 45 miles ⓘ |
| fareSystem | Metra fare system ⓘ |
| hasParking | commuter parking available ⓘ |
| hasPlatformType | side platforms ⓘ |
| hasServiceFrequency | multiple trains per weekday ⓘ |
| hasServiceType | commuter rail ⓘ |
| hasTicketing | Metra ticketing available ⓘ |
| hasTracks | multiple tracks ⓘ |
| hasWeekendService | yes ⓘ |
| line | Union Pacific Northwest Line ⓘ |
| locatedIn |
Crystal Lake, Illinois
ⓘ
Illinois ⓘ McHenry County, Illinois ⓘ United States ⓘ
linked to:
United States of America
|
| operator | Metra ⓘ |
| owner | Union Pacific Railroad ⓘ |
| partOf |
Union Pacific Northwest Line corridor
ⓘ
linked to:
Union Pacific Northwest Line
|
| primaryCityServed | Crystal Lake, Illinois ⓘ |
| railNetwork |
Metra commuter rail system
ⓘ
linked to:
Metra
|
| regionServed | northwestern suburbs of Chicago ⓘ |
| servedBy | Metra ⓘ |
| serves | commuters to Chicago ⓘ |
| terminusDirection | Chicago ⓘ |
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: Crystal Lake station Description of subject: Crystal Lake station is a commuter rail stop in Crystal Lake, Illinois, serving Metra’s Union Pacific Northwest Line to and from Chicago.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.