Hamilton Canal
E390847
Hamilton Canal is a historic Dutch-era waterway in Sri Lanka that links the coastal town of Negombo with other parts of the western canal network, once used for transporting goods and people.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hamilton Canal canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3679307 — 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: Hamilton Canal Context triple: [Negombo, hasStructure, Hamilton Canal]
-
A.
St Helens Canal
St Helens Canal is a historic industrial waterway in northwest England that once served as an important transport route for coal and other goods during the Industrial Revolution.
-
B.
Albert Canal
The Albert Canal is a major Belgian waterway linking the Meuse River to the port of Antwerp, serving as an important route for inland shipping and freight transport.
-
C.
Murray Canal
The Murray Canal is a man-made waterway in Ontario, Canada, that provides a navigable shortcut between the Bay of Quinte and Lake Ontario as part of the Trent–Severn Waterway.
-
D.
North Western Canal
The North Western Canal is a major irrigation channel in Pakistan’s Sindh region that distributes Indus River water from the Sukkur Barrage to surrounding agricultural lands.
-
E.
Tavistock Canal
Tavistock Canal is a historic early 19th-century waterway in Devon, England, built to serve local mines and industry and now valued as a heritage and wildlife site.
- 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: Hamilton Canal Target entity description: Hamilton Canal is a historic Dutch-era waterway in Sri Lanka that links the coastal town of Negombo with other parts of the western canal network, once used for transporting goods and people.
-
A.
St Helens Canal
St Helens Canal is a historic industrial waterway in northwest England that once served as an important transport route for coal and other goods during the Industrial Revolution.
-
B.
Albert Canal
The Albert Canal is a major Belgian waterway linking the Meuse River to the port of Antwerp, serving as an important route for inland shipping and freight transport.
-
C.
Murray Canal
The Murray Canal is a man-made waterway in Ontario, Canada, that provides a navigable shortcut between the Bay of Quinte and Lake Ontario as part of the Trent–Severn Waterway.
-
D.
North Western Canal
The North Western Canal is a major irrigation channel in Pakistan’s Sindh region that distributes Indus River water from the Sukkur Barrage to surrounding agricultural lands.
-
E.
Tavistock Canal
Tavistock Canal is a historic early 19th-century waterway in Devon, England, built to serve local mines and industry and now valued as a heritage and wildlife site.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
canal
ⓘ
waterway ⓘ |
| builder | British colonial administration in Ceylon ⓘ |
| connects |
Colombo
ⓘ
Dutch Canal network ⓘ Negombo ⓘ |
| connectsTo |
Kelani River canal system
ⓘ
Negombo Lagoon ⓘ |
| constructionEra | early 19th century ⓘ |
| country | Sri Lanka ⓘ |
| currentUse |
local transport
ⓘ
recreation ⓘ tourism ⓘ |
| flowsThrough |
Ja-Ela area
ⓘ
Negombo ⓘ suburbs north of Colombo ⓘ |
| followsCoastOf | western Sri Lanka ⓘ |
| hasEconomicRole |
facilitating colonial-era exports
ⓘ
supporting coastal settlements ⓘ |
| hasFunction |
drainage
ⓘ
irrigation support ⓘ |
| heritageStatus | historic canal ⓘ |
| historicalName | New Cut Canal ⓘ |
| historicalPeriod | Dutch colonial era ⓘ |
| locatedIn |
Western Province, Sri Lanka
ⓘ
western Sri Lanka ⓘ |
| locatedOn | west coast of Sri Lanka ⓘ |
| namedAfter | Gavin Hamilton ⓘ |
| partOf |
Sri Lankan inland waterways system
ⓘ
western Sri Lankan canal network ⓘ |
| precededBy | earlier Dutch canal works ⓘ |
| regionServed |
Colombo District
ⓘ
Gampaha District ⓘ Negombo area ⓘ |
| runsParallelTo |
Indian Ocean coastline
ⓘ
surface form:
Indian Ocean coast
|
| transportMode |
barge transport
ⓘ
boat transport ⓘ |
| usedFor |
coconut produce transport
ⓘ
coir transport ⓘ local trade ⓘ regional trade ⓘ spice transport ⓘ transport of goods ⓘ transport of people ⓘ |
| waterBodyType | man-made canal ⓘ |
| waterwayType | inland navigation 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: Hamilton Canal Description of subject: Hamilton Canal is a historic Dutch-era waterway in Sri Lanka that links the coastal town of Negombo with other parts of the western canal network, once used for transporting goods and people.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.