Chicago Harbors system
E312694
The Chicago Harbors system is a network of public harbors and marinas along Chicago’s Lake Michigan shoreline that provides docking, mooring, and boating services.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Chicago Harbors system canonical | 1 |
| Lake Michigan shoreline channels near Chicago | 1 |
| Lake Michigan waterway system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2933296 — 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: Chicago Harbors system Context triple: [Montrose Harbor, partOf, Chicago Harbors system]
-
A.
Chicago River
The Chicago River is a historically significant waterway in Chicago known for its engineered reversal of flow, its role in the city’s development, and its iconic green dyeing on St. Patrick’s Day.
-
B.
Detroit Harbor
Detroit Harbor is a sheltered natural harbor and ferry port on Washington Island in Door County, Wisconsin, serving as a key access point between the island and mainland.
-
C.
Milwaukee Harbor
Milwaukee Harbor is a commercial and recreational port area on Lake Michigan serving the city of Milwaukee, Wisconsin.
-
D.
Lake Calumet
Lake Calumet is an industrially impacted lake on Chicago’s far South Side that has historically served as a major hub for shipping, manufacturing, and waste disposal.
-
E.
Illinois Waterway system
The Illinois Waterway system is a network of rivers, canals, and locks in Illinois that provides a vital navigable link between the Great Lakes and the Mississippi River.
- 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: Chicago Harbors system Target entity description: The Chicago Harbors system is a network of public harbors and marinas along Chicago’s Lake Michigan shoreline that provides docking, mooring, and boating services.
-
A.
Chicago River
The Chicago River is a historically significant waterway in Chicago known for its engineered reversal of flow, its role in the city’s development, and its iconic green dyeing on St. Patrick’s Day.
-
B.
Detroit Harbor
Detroit Harbor is a sheltered natural harbor and ferry port on Washington Island in Door County, Wisconsin, serving as a key access point between the island and mainland.
-
C.
Milwaukee Harbor
Milwaukee Harbor is a commercial and recreational port area on Lake Michigan serving the city of Milwaukee, Wisconsin.
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D.
Lake Calumet
Lake Calumet is an industrially impacted lake on Chicago’s far South Side that has historically served as a major hub for shipping, manufacturing, and waste disposal.
-
E.
Illinois Waterway system
The Illinois Waterway system is a network of rivers, canals, and locks in Illinois that provides a vital navigable link between the Great Lakes and the Mississippi River.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
harbor system
ⓘ
marina network ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| focus | public access to Lake Michigan for boaters ⓘ |
| governedBy | Chicago Park District harbor regulations ⓘ |
| hasFeature |
boat ramps
ⓘ
fuel docks ⓘ harbor offices ⓘ moorings ⓘ parking areas ⓘ pump-out stations ⓘ restroom facilities ⓘ slips for seasonal docking ⓘ transient docking ⓘ |
| hasHarbor |
31st Street Harbor
ⓘ
59th Street Harbor ⓘ Belmont Harbor ⓘ Burnham Harbor ⓘ Calumet Harbor ⓘ Diversey Harbor ⓘ Wilmette Harbor ⓘ
surface form:
DuSable Harbor
Jackson Park ⓘ
surface form:
Jackson Park Inner Harbor
Jackson Park ⓘ
surface form:
Jackson Park Outer Harbor
Monroe Harbor ⓘ Montrose Harbor ⓘ |
| hasWebsite | https://www.chicagoharbors.com ⓘ |
| locatedIn |
Chicago, Illinois, United States
ⓘ
surface form:
Chicago
|
| locatedOn | Lake Michigan ⓘ |
| manages |
public harbors
ⓘ
public marinas ⓘ |
| offers |
mooring cans
ⓘ
seasonal slip rentals ⓘ transient slip rentals ⓘ winter storage options ⓘ |
| operatedBy | Chicago Park District ⓘ |
| ownedBy | City of Chicago ⓘ |
| partOf |
Chicago Park District
ⓘ
surface form:
Chicago Park District facilities network
|
| providesService |
boating services
ⓘ
docking ⓘ mooring ⓘ |
| region | Midwestern United States ⓘ |
| season | boating season from approximately May to October ⓘ |
| shoreline | Chicago Lake Michigan shoreline ⓘ |
| state | Illinois ⓘ |
| usedFor |
fishing access
ⓘ
power boating ⓘ recreational boating ⓘ sailing ⓘ |
| waterBody | Lake Michigan ⓘ |
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: Chicago Harbors system Description of subject: The Chicago Harbors system is a network of public harbors and marinas along Chicago’s Lake Michigan shoreline that provides docking, mooring, and boating services.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Holland Harbor
this entity surface form:
Lake Michigan waterway system
this entity surface form:
Lake Michigan shoreline channels near Chicago