Ostia
E83891
Ostia was the principal harbor city of ancient Rome, serving as a major commercial and military port at the mouth of the Tiber River.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Ostia canonical | 36 |
| Lido di Ostia | 1 |
| Lido di Ostia, Rome, Italy | 1 |
| Ostia, Italy | 1 |
| RomaOstia Half Marathon | 1 |
| Tiber port of Rome | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T610981 — 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: Ostia Context triple: [Tiber, nearbyAncientPort, Ostia]
-
A.
Capua
Capua is an ancient city in southern Italy that was a prominent center of the Oscan-speaking Samnites and later an important Roman ally and urban hub.
-
B.
Naples
Naples is a historic coastal city in southern Italy renowned for its rich cultural heritage, vibrant street life, and as the birthplace of pizza.
-
C.
Rimini
Rimini is a historic Italian coastal city on the Adriatic Sea, renowned for its beaches, Roman and Renaissance landmarks, and vibrant tourism industry.
-
D.
Ravenna
Ravenna is a historic city in northeastern Italy renowned for its well-preserved late Roman and Byzantine mosaics and its role as a former capital of the Western Roman Empire.
-
E.
Roma
Roma is a critically acclaimed 2018 Mexican drama film directed by Alfonso Cuarón, celebrated for its intimate portrayal of a domestic worker in 1970s Mexico City and its innovative black-and-white cinematography.
- 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: Ostia Target entity description: Ostia was the principal harbor city of ancient Rome, serving as a major commercial and military port at the mouth of the Tiber River.
-
A.
Capua
Capua is an ancient city in southern Italy that was a prominent center of the Oscan-speaking Samnites and later an important Roman ally and urban hub.
-
B.
Naples
Naples is a historic coastal city in southern Italy renowned for its rich cultural heritage, vibrant street life, and as the birthplace of pizza.
-
C.
Rimini
Rimini is a historic Italian coastal city on the Adriatic Sea, renowned for its beaches, Roman and Renaissance landmarks, and vibrant tourism industry.
-
D.
Ravenna
Ravenna is a historic city in northeastern Italy renowned for its well-preserved late Roman and Byzantine mosaics and its role as a former capital of the Western Roman Empire.
-
E.
Roma
The Roma are a traditionally nomadic ethnic group originating from the Indian subcontinent and living mainly in Europe, long subjected to persecution and discrimination, including mass murder during the Holocaust.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Roman city
ⓘ
ancient city ⓘ harbor city ⓘ |
| administrativeRelation |
port of Rome
ⓘ
linked to:
Port of Civitavecchia
|
| connectedBy |
Tiber River
ⓘ
linked to:
Tiber
roads ⓘ |
| connectedTo | Rome ⓘ |
| country |
Ancient Rome
ⓘ
linked to:
Roman Antiquity
|
| declineReason |
harbor silting
ⓘ
shift of port activities to Portus ⓘ |
| foundedAs | Roman colony ⓘ |
| function |
commercial port
ⓘ
military port ⓘ |
| governedBy |
Roman magistrates
ⓘ
linked to:
Roman magistracy
|
| hasArchaeologicalSite |
Ostia Antica
ⓘ
linked to:
Ostia Antica archaeological site
|
| hasNotableFeature |
apartment blocks
ⓘ
mosaics ⓘ well-preserved Roman urban layout ⓘ |
| hasStructureType |
baths
ⓘ
forum ⓘ insulae ⓘ temples ⓘ theatre ⓘ warehouses ⓘ |
| heritageStatus | important archaeological site ⓘ |
| languageUsed | Latin ⓘ |
| locatedAtMouthOf |
Tiber River
ⓘ
linked to:
Tiber
|
| locatedIn |
Italy
ⓘ
Lazio ⓘ |
| locatedNear |
Tiber River
ⓘ
linked to:
Tiber
|
| locatedSouthWestOf | Rome ⓘ |
| modernName |
Ostia Antica
ⓘ
linked to:
Ostia Antica archaeological site
|
| nearbySite |
Portus
ⓘ
linked to:
Port of Ostia (Portus Traiani)
|
| nearModernCity | Rome ⓘ |
| partOf |
Latium region
ⓘ
linked to:
Latium
Roman Empire ⓘ |
| primaryEconomicActivity |
grain import
ⓘ
trade ⓘ |
| religionPracticed | Roman religion ⓘ |
| role | principal harbor of ancient Rome ⓘ |
| timePeriod |
Imperial Rome
ⓘ
linked to:
Roman Empire
Republican Rome ⓘ
linked to:
Roman Republic
|
| tradeRoute | Mediterranean Sea ⓘ |
| usedFor |
customs control
ⓘ
naval base ⓘ storage of imported goods ⓘ |
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: Ostia Description of subject: Ostia was the principal harbor city of ancient Rome, serving as a major commercial and military port at the mouth of the Tiber River.
Referenced by (41)
Full triples — surface form annotated when it differs from this entity's canonical label.