Oyster
E293568
Oyster is a contactless smartcard used for paying fares on public transport in London.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Oyster canonical | 29 |
How this entity was disambiguated
This entity first appeared as the object of triple T2720867 — 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: Oyster Context triple: [Oyster card, brandName, Oyster]
-
A.
Mejillones
Mejillones is a coastal Chilean port city on the Pacific Ocean, known for its fishing industry and role in regional maritime trade.
-
B.
Dungeness crab
The Dungeness crab is a large, commercially important crab species native to the Pacific coast of North America, prized for its sweet, tender meat.
-
C.
Ika
Ika is a Sanskrit-derived word meaning “one” or “unity,” used in the Indonesian national motto “Bhinneka Tunggal Ika” to express the idea of oneness amid diversity.
-
D.
Pomfret
Pomfret is a small, historic town in northeastern Connecticut known for its rural character, scenic landscapes, and prestigious boarding schools.
-
E.
Tonna
Tonna is a village and community in Neath Port Talbot, South Wales, known for its residential character and proximity to the town of Neath.
- 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: Oyster Target entity description: Oyster is a contactless smartcard used for paying fares on public transport in London.
-
A.
Mejillones
Mejillones is a coastal Chilean port city on the Pacific Ocean, known for its fishing industry and role in regional maritime trade.
-
B.
Dungeness crab
The Dungeness crab is a large, commercially important crab species native to the Pacific coast of North America, prized for its sweet, tender meat.
-
C.
Ika
Ika is a Sanskrit-derived word meaning “one” or “unity,” used in the Indonesian national motto “Bhinneka Tunggal Ika” to express the idea of oneness amid diversity.
-
D.
Pomfret
Pomfret is a small, historic town in northeastern Connecticut known for its rural character, scenic landscapes, and prestigious boarding schools.
-
E.
Tonna
Tonna is a village and community in Neath Port Talbot, South Wales, known for its residential character and proximity to the town of Neath.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
contactless smart card
ⓘ
fare payment card ⓘ stored-value card ⓘ |
| canBeToppedUpAt |
London Underground stations
ⓘ
Oyster Ticket Stops ⓘ online via TfL website ⓘ ticket machines ⓘ |
| country | United Kingdom ⓘ |
| currency | Pound sterling ⓘ |
| feature |
daily fare capping
ⓘ
weekly fare capping (on some products) ⓘ |
| hasDeposit | refundable card fee (on some card types) ⓘ |
| hasRefundPolicy | refund of remaining pay-as-you-go balance under conditions ⓘ |
| hasVariant |
11–15 Zip Oyster photocard
ⓘ
16+ Zip Oyster photocard ⓘ 5–10 Zip Oyster photocard ⓘ Bus & Tram Pass on Oyster ⓘ Oyster photocard ⓘ Student Oyster photocard ⓘ
linked to:
Oyster card
Veterans Oyster photocard ⓘ |
| inception | 2003 ⓘ |
| introducedBy | Transport for London ⓘ |
| language | English ⓘ |
| launchDate | 2003-06-30 ⓘ |
| logoColor | blue ⓘ |
| mainUse |
electronic ticketing
ⓘ
public transport fare payment ⓘ |
| material | plastic ⓘ |
| officialWebsite | https://oyster.tfl.gov.uk ⓘ |
| operatedBy | Transport for London ⓘ |
| operator | Transport for London ⓘ |
| owner | Transport for London ⓘ |
| paymentModel |
pay-as-you-go
ⓘ
season ticket storage ⓘ |
| region | Greater London ⓘ |
| replaced | magnetic stripe paper tickets (partially) ⓘ |
| replacedBy | contactless payment cards (partially) ⓘ |
| requires | touch in and touch out on most rail services ⓘ |
| shortName | Oyster ⓘ |
| technology |
RFID
ⓘ
contactless smartcard technology ⓘ |
| usedFor |
Docklands Light Railway
ⓘ
Elizabeth line ⓘ London Buses ⓘ London Overground ⓘ London Underground ⓘ Tramlink ⓘ some National Rail services in London ⓘ |
| usedIn |
London
ⓘ
linked to:
London, England
|
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: Oyster Description of subject: Oyster is a contactless smartcard used for paying fares on public transport in London.
Referenced by (29)
Full triples — surface form annotated when it differs from this entity's canonical label.