Cape Cod Canal
E8141
The Cape Cod Canal is a man-made waterway in Massachusetts that cuts across the base of the Cape Cod peninsula, providing a shortcut between Cape Cod Bay and Buzzards Bay for maritime traffic.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Cape Cod Canal canonical | 43 |
| Cape Cod Canal (via adjacent connections) | 1 |
| Cape Cod Canal crossings | 1 |
| Cape Cod Canal service area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7452 — 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: Cape Cod Canal Context triple: [Cape Cod, connectedBy, Cape Cod Canal]
-
A.
Champlain Canal
The Champlain Canal is a historic waterway in New York State that links the Hudson River to Lake Champlain, forming part of the state's inland navigation system.
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B.
East River
The East River is a tidal strait in New York City that separates Manhattan from Brooklyn and Queens and serves as a major waterway spanned by several iconic bridges.
-
C.
Erie Canal
The Erie Canal is a historic man-made waterway in New York State that opened in 1825, linking the Great Lakes to the Atlantic Ocean and transforming U.S. commerce and westward expansion.
-
D.
Charles River
The Charles River is a prominent river in eastern Massachusetts that flows between Boston and Cambridge and is known for its scenic banks, recreational activities, and role in the region’s history and culture.
-
E.
Massachusetts Bay
Massachusetts Bay is a large inlet of the Atlantic Ocean on the eastern coast of Massachusetts, historically significant as the site of early English colonial settlement in New England.
- 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: Cape Cod Canal Target entity description: The Cape Cod Canal is a man-made waterway in Massachusetts that cuts across the base of the Cape Cod peninsula, providing a shortcut between Cape Cod Bay and Buzzards Bay for maritime traffic.
-
A.
Champlain Canal
The Champlain Canal is a historic waterway in New York State that links the Hudson River to Lake Champlain, forming part of the state's inland navigation system.
-
B.
East River
The East River is a tidal strait in New York City that separates Manhattan from Brooklyn and Queens and serves as a major waterway spanned by several iconic bridges.
-
C.
Erie Canal
The Erie Canal is a historic man-made waterway in New York State that opened in 1825, linking the Great Lakes to the Atlantic Ocean and transforming U.S. commerce and westward expansion.
-
D.
Charles River
The Charles River is a prominent river in eastern Massachusetts that flows between Boston and Cambridge and is known for its scenic banks, recreational activities, and role in the region’s history and culture.
-
E.
Massachusetts Bay
Massachusetts Bay is a large inlet of the Atlantic Ocean on the eastern coast of Massachusetts, historically significant as the site of early English colonial settlement in New England.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
canal
ⓘ
man-made waterway ⓘ |
| bridgeTypeOver |
highway bridges
ⓘ
vertical-lift railroad bridge ⓘ |
| category |
Canals in Massachusetts
ⓘ
Ship canals of the United States ⓘ Transportation in Barnstable County, Massachusetts ⓘ |
| connectsWith |
Buzzards Bay
ⓘ
Cape Cod Bay ⓘ |
| constructionEndDate | 1914 ⓘ |
| constructionStartDate | 1909 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | base of Cape Cod peninsula ⓘ |
| hasBridge |
Bourne Bridge
ⓘ
Cape Cod Canal Railroad Bridge ⓘ Sagamore Bridge ⓘ |
| hasFeature |
fishing areas
ⓘ
recreational paths ⓘ service roads along both banks ⓘ |
| hasLock | no ⓘ |
| hazard | strong tidal currents ⓘ |
| historicalNote | widened and deepened by the U.S. government in the 1930s ⓘ |
| length |
approximately 11 kilometers
ⓘ
approximately 7 miles ⓘ |
| locatedIn |
Barnstable County, Massachusetts
ⓘ
Massachusetts ⓘ |
| locatedOn |
Cape Cod
ⓘ
surface form:
Cape Cod peninsula
|
| lockStatus | lock-free canal ⓘ |
| maintainedBy |
U.S. Army Corps of Engineers
ⓘ
surface form:
United States Army Corps of Engineers
|
| maximumDepth |
approximately 32 feet
ⓘ
approximately 9.8 meters ⓘ |
| navigationAuthority | United States Coast Guard ⓘ |
| nearbyCity |
Bourne, Massachusetts
ⓘ
Sandwich, Massachusetts ⓘ |
| opened | 1914 ⓘ |
| operator |
U.S. Army Corps of Engineers
ⓘ
surface form:
United States Army Corps of Engineers
|
| originallyBuiltBy | Boston, Cape Cod and New York Canal Company ⓘ |
| ownedBy | United States government ⓘ |
| partOf | Atlantic Intracoastal Waterway ⓘ |
| purpose |
maritime shortcut between Cape Cod Bay and Buzzards Bay
ⓘ
reduce travel distance for vessels between Boston and New York ⓘ |
| region | New England ⓘ |
| state | Massachusetts ⓘ |
| traffic |
commercial shipping
ⓘ
recreational boating ⓘ |
| waterwayType | sea-level canal ⓘ |
| width |
approximately 146 meters at waterline
ⓘ
approximately 480 feet at waterline ⓘ |
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: Cape Cod Canal Description of subject: The Cape Cod Canal is a man-made waterway in Massachusetts that cuts across the base of the Cape Cod peninsula, providing a shortcut between Cape Cod Bay and Buzzards Bay for maritime traffic.
Referenced by (46)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Cape Cod Canal crossings
this entity surface form:
Cape Cod Canal service area
subject surface form:
Route 28 (Massachusetts)
this entity surface form:
Cape Cod Canal (via adjacent connections)