OPO
E921502
OPO is the IATA airport code for Francisco Sá Carneiro Airport, the main international airport serving Porto, Portugal.
All labels observed (1)
| Label | Occurrences |
|---|---|
| OPO canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T11363964 — 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: OPO Context triple: [Porto Airport, IATAcode, OPO]
-
A.
OPO
OPO is the vehicle registration code assigned to the Polish city of Opole.
-
B.
Opo
The Opo are a small Nilotic ethnic group living primarily in the borderlands of western Ethiopia and South Sudan, known for their agro-pastoralist lifestyle and distinct language and culture.
-
C.
OPOJAZ
OPOJAZ was a pioneering Russian Formalist literary group in early 20th-century Petrograd that developed influential theories of literary form and technique.
-
D.
OPA
OPA is a U.S. federal law enacted in 1990 that strengthens regulations and liability standards for preventing and responding to oil spills in navigable waters and shorelines.
-
E.
OPA
OPA is a U.S. federal agency within the Department of Health and Human Services that oversees family planning, adolescent health, and related population affairs programs.
- 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: OPO Target entity description: OPO is the IATA airport code for Francisco Sá Carneiro Airport, the main international airport serving Porto, Portugal.
-
A.
OPO
OPO is the vehicle registration code assigned to the Polish city of Opole.
-
B.
Opo
The Opo are a small Nilotic ethnic group living primarily in the borderlands of western Ethiopia and South Sudan, known for their agro-pastoralist lifestyle and distinct language and culture.
-
C.
OPOJAZ
OPOJAZ was a pioneering Russian Formalist literary group in early 20th-century Petrograd that developed influential theories of literary form and technique.
-
D.
OPA
OPA is a U.S. federal law enacted in 1990 that strengthens regulations and liability standards for preventing and responding to oil spills in navigable waters and shorelines.
-
E.
OPA
OPA is a U.S. federal agency within the Department of Health and Human Services that oversees family planning, adolescent health, and related population affairs programs.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
IATA airport code
ⓘ
airport ⓘ |
| airportServes | Porto NERFINISHED ⓘ |
| airportType | international airport ⓘ |
| city | Porto NERFINISHED ⓘ |
| country |
Portugal
ⓘ
Portugal ⓘ |
| distanceFromCityCentre | approximately 11 km northwest of Porto city centre ⓘ |
| hasRunwaySurface | asphalt ⓘ |
| IATA code | OPO NERFINISHED ⓘ |
| IATACodeFor | Francisco Sá Carneiro Airport NERFINISHED ⓘ |
| ICAO code | LPPR NERFINISHED ⓘ |
| isFocusCityFor | TAP Air Portugal NERFINISHED ⓘ |
| isHubFor | Ryanair NERFINISHED ⓘ |
| locatedIn |
Maia
NERFINISHED
ⓘ
Maia NERFINISHED ⓘ Metropolitan Area of Porto NERFINISHED ⓘ Metropolitan Area of Porto NERFINISHED ⓘ |
| namedAfter | Francisco de Sá Carneiro NERFINISHED ⓘ |
| operator | ANA Aeroportos de Portugal NERFINISHED ⓘ |
| refersTo | Francisco Sá Carneiro Airport NERFINISHED ⓘ |
| servesCity | Porto NERFINISHED ⓘ |
| servesRegion | Northern Portugal NERFINISHED ⓘ |
| timeZone | Western European Time NERFINISHED ⓘ |
| timeZoneDST | Western European Summer Time NERFINISHED ⓘ |
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: OPO Description of subject: OPO is the IATA airport code for Francisco Sá Carneiro Airport, the main international airport serving Porto, Portugal.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.