Port Madoc
E938418
Port Madoc is the former English name for Porthmadog, a coastal town in Gwynedd, Wales, known historically for its harbor and slate-shipping industry.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Port Madoc canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11627572 — 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: Port Madoc Context triple: [Porthmadog, alsoKnownAs, Port Madoc]
-
A.
Port Nolloth
Port Nolloth is a small coastal town in South Africa’s Northern Cape, known historically as a harbor for copper and diamond exports and today as a quiet fishing and tourism destination.
-
B.
Arisaig
Arisaig is a small coastal village on the west coast of the Scottish Highlands, known as a gateway to the Small Isles and for its scenic beaches and views over the Inner Hebrides.
-
C.
Port of Ness
Port of Ness is a small coastal village and harbour on the northern tip of the Isle of Lewis in Scotland’s Outer Hebrides.
-
D.
Port St Mary Harbour
Port St Mary Harbour is a coastal port and marina on the Isle of Man that serves local fishing, leisure boating, and maritime activities.
-
E.
Torbay anchorage
Torbay anchorage is a sheltered bay on the south coast of Devon, England, historically used as a strategic naval anchorage.
- 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: Port Madoc Target entity description: Port Madoc is the former English name for Porthmadog, a coastal town in Gwynedd, Wales, known historically for its harbor and slate-shipping industry.
-
A.
Port Nolloth
Port Nolloth is a small coastal town in South Africa’s Northern Cape, known historically as a harbor for copper and diamond exports and today as a quiet fishing and tourism destination.
-
B.
Arisaig
Arisaig is a small coastal village on the west coast of the Scottish Highlands, known as a gateway to the Small Isles and for its scenic beaches and views over the Inner Hebrides.
-
C.
Port of Ness
Port of Ness is a small coastal village and harbour on the northern tip of the Isle of Lewis in Scotland’s Outer Hebrides.
-
D.
Port St Mary Harbour
Port St Mary Harbour is a coastal port and marina on the Isle of Man that serves local fishing, leisure boating, and maritime activities.
-
E.
Torbay anchorage
Torbay anchorage is a sheltered bay on the south coast of Devon, England, historically used as a strategic naval anchorage.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
former place name
ⓘ
historical name ⓘ |
| administeredBy | Gwynedd Council NERFINISHED ⓘ |
| connectedTo |
Ffestiniog Railway
NERFINISHED
ⓘ
Welsh Highland Railway NERFINISHED ⓘ |
| country | Wales ⓘ |
| formerNameOf | Porthmadog NERFINISHED ⓘ |
| hasClimate | temperate maritime climate ⓘ |
| hasCoordinateLocation | 52.929°N 4.131°W ⓘ |
| hasDialingCode | 01766 ⓘ |
| hasEconomicActivity |
maritime trade
ⓘ
shipbuilding ⓘ slate export ⓘ |
| hasEtymology | named after William Madocks ⓘ |
| hasHeritage | Victorian maritime townscape ⓘ |
| hasHistoricalUse | slate-shipping port ⓘ |
| hasIndustry | tourism ⓘ |
| hasNearbyPlace |
Snowdonia
NERFINISHED
ⓘ
Tremadog Bay NERFINISHED ⓘ |
| hasNearbySettlement |
Criccieth
NERFINISHED
ⓘ
Harlech NERFINISHED ⓘ Pwllheli NERFINISHED ⓘ |
| hasNotableFeature | sea wall and embankment (Cob) ⓘ |
| hasNotablePersonAssociated | William Madocks NERFINISHED ⓘ |
| hasPart | harbor ⓘ |
| hasPostalArea | LL49 ⓘ |
| hasTimezone |
BST
ⓘ
UTC±00:00 ⓘ |
| hasTransportLink |
A487 road
NERFINISHED
ⓘ
A497 road NERFINISHED ⓘ Porthmadog railway station NERFINISHED ⓘ |
| locatedIn | Porthmadog NERFINISHED ⓘ |
| locatedInAdministrativeEntity | Gwynedd NERFINISHED ⓘ |
| locatedInCountry | Wales NERFINISHED ⓘ |
| locatedInSovereignState | United Kingdom ⓘ |
| locatedOn |
Afon Glaslyn estuary
NERFINISHED
ⓘ
Cardigan Bay NERFINISHED ⓘ |
| partOf | historic county of Caernarfonshire NERFINISHED ⓘ |
| region | North Wales NERFINISHED ⓘ |
| replacedByName | Porthmadog NERFINISHED ⓘ |
| usedLanguage | English ⓘ |
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: Port Madoc Description of subject: Port Madoc is the former English name for Porthmadog, a coastal town in Gwynedd, Wales, known historically for its harbor and slate-shipping industry.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Porthmadog