Chesapeake & Delaware Canal
E764776
The Chesapeake & Delaware Canal is a man-made waterway in the Mid-Atlantic United States that connects the Delaware River with the Chesapeake Bay, serving as a key shipping and transportation route.
All labels observed (2)
| Label | Occurrences |
|---|---|
| C&D Canal | 1 |
| Chesapeake & Delaware Canal canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8879158 — 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: Chesapeake & Delaware Canal Context triple: [Delaware Route 1, crosses, Chesapeake & Delaware Canal]
-
A.
Delaware and Raritan Canal
The Delaware and Raritan Canal is a historic 19th-century waterway in central New Jersey that once served as a major transportation route and now forms the backbone of a popular linear state park and recreation corridor.
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B.
C&O Canal
The C&O Canal is a historic 19th-century waterway and towpath along the Potomac River, now preserved as a national historical park popular for hiking, biking, and exploring early American transportation history.
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C.
Cape May Canal
Cape May Canal is a man-made waterway in southern New Jersey that forms part of the Intracoastal Waterway, providing a sheltered navigation route between the Delaware Bay and the Atlantic Ocean.
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D.
Lewes and Rehoboth Canal
The Lewes and Rehoboth Canal is a man-made waterway in Sussex County, Delaware, that connects the Delaware Bay to Rehoboth Bay and forms part of the Intracoastal Waterway.
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E.
Delaware and Hudson Canal
The Delaware and Hudson Canal was a 19th-century engineering project that transported anthracite coal from Pennsylvania to the Hudson River, playing a key role in early American industrialization and canal-era commerce.
- 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: Chesapeake & Delaware Canal Target entity description: The Chesapeake & Delaware Canal is a man-made waterway in the Mid-Atlantic United States that connects the Delaware River with the Chesapeake Bay, serving as a key shipping and transportation route.
-
A.
Delaware and Raritan Canal
The Delaware and Raritan Canal is a historic 19th-century waterway in central New Jersey that once served as a major transportation route and now forms the backbone of a popular linear state park and recreation corridor.
-
B.
C&O Canal
The C&O Canal is a historic 19th-century waterway and towpath along the Potomac River, now preserved as a national historical park popular for hiking, biking, and exploring early American transportation history.
-
C.
Cape May Canal
Cape May Canal is a man-made waterway in southern New Jersey that forms part of the Intracoastal Waterway, providing a sheltered navigation route between the Delaware Bay and the Atlantic Ocean.
-
D.
Lewes and Rehoboth Canal
The Lewes and Rehoboth Canal is a man-made waterway in Sussex County, Delaware, that connects the Delaware Bay to Rehoboth Bay and forms part of the Intracoastal Waterway.
-
E.
Delaware and Hudson Canal
The Delaware and Hudson Canal was a 19th-century engineering project that transported anthracite coal from Pennsylvania to the Hudson River, playing a key role in early American industrialization and canal-era commerce.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
canal
ⓘ
man-made waterway ⓘ |
| connects |
Chesapeake Bay
NERFINISHED
ⓘ
Delaware River NERFINISHED ⓘ |
| constructionStart | early 19th century ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crossedBy |
Chesapeake & Delaware Canal Bridge (US 301)
NERFINISHED
ⓘ
Chesapeake City Bridge NERFINISHED ⓘ Delaware Route 1 bridge NERFINISHED ⓘ Reedy Point Bridge NERFINISHED ⓘ St. Georges Bridge NERFINISHED ⓘ Summit Bridge NERFINISHED ⓘ |
| hasLock | yes ⓘ |
| length | approximately 14 miles ⓘ |
| locatedIn |
Delaware
NERFINISHED
ⓘ
Maryland ⓘ Mid-Atlantic United States NERFINISHED ⓘ |
| maintainedBy | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| opened | 1829 ⓘ |
| operator | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| originalPurpose | shorten shipping route between Philadelphia and Baltimore ⓘ |
| partOf | Intracoastal Waterway NERFINISHED ⓘ |
| regionServed |
Chesapeake Bay watershed
NERFINISHED
ⓘ
Delaware River watershed NERFINISHED ⓘ |
| status | operational ⓘ |
| use |
commercial shipping
ⓘ
recreational boating ⓘ transportation route ⓘ |
| waterwayType | ship canal ⓘ |
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: Chesapeake & Delaware Canal Description of subject: The Chesapeake & Delaware Canal is a man-made waterway in the Mid-Atlantic United States that connects the Delaware River with the Chesapeake Bay, serving as a key shipping and transportation route.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
C&D Canal