Ostia Antica archaeological site
E152107
Ostia Antica archaeological site is an extensive ancient Roman harbor city near the mouth of the Tiber River, renowned for its well-preserved ruins that offer a vivid picture of daily life in imperial Rome.
All labels observed (5)
How this entity was disambiguated
This entity first appeared as the object of triple T1307480 — 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 Antica archaeological site Context triple: [Metropolitan City of Rome Capital, contains, Ostia Antica archaeological site]
-
A.
Roman Forum
The Roman Forum is an ancient public square in the heart of Rome that served as the political, religious, and commercial center of the Roman Empire.
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B.
Valley of the Temples
The Valley of the Temples is a renowned archaeological park near Agrigento in Sicily, famous for its exceptionally well-preserved ancient Greek temples and classical ruins.
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C.
Historic Centre of Rome
The Historic Centre of Rome is the ancient and monumental heart of Italy’s capital, renowned for its dense concentration of Roman, medieval, Renaissance, and Baroque landmarks and recognized as a UNESCO World Heritage Site.
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D.
Parco archeologico del Colosseo
Parco archeologico del Colosseo is an Italian archaeological park and public institution responsible for preserving and managing Rome’s central ancient monuments, including the Colosseum and its surrounding historic area.
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E.
Ara Pacis Museum (Rome)
The Ara Pacis Museum in Rome is a modernist glass-and-travertine pavilion designed by architect Richard Meier to house and showcase the ancient Ara Pacis Augustae altar.
- 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 Antica archaeological site Target entity description: Ostia Antica archaeological site is an extensive ancient Roman harbor city near the mouth of the Tiber River, renowned for its well-preserved ruins that offer a vivid picture of daily life in imperial Rome.
-
A.
Roman Forum
The Roman Forum is an ancient public square in the heart of Rome that served as the political, religious, and commercial center of the Roman Empire.
-
B.
Valley of the Temples
The Valley of the Temples is a renowned archaeological park near Agrigento in Sicily, famous for its exceptionally well-preserved ancient Greek temples and classical ruins.
-
C.
Historic Centre of Rome
The Historic Centre of Rome is the ancient and monumental heart of Italy’s capital, renowned for its dense concentration of Roman, medieval, Renaissance, and Baroque landmarks and recognized as a UNESCO World Heritage Site.
-
D.
Parco archeologico del Colosseo
Parco archeologico del Colosseo is an Italian archaeological park and public institution responsible for preserving and managing Rome’s central ancient monuments, including the Colosseum and its surrounding historic area.
-
E.
Ara Pacis Museum (Rome)
The Ara Pacis Museum in Rome is a modernist glass-and-travertine pavilion designed by architect Richard Meier to house and showcase the ancient Ara Pacis Augustae altar.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
ancient Roman city
ⓘ
archaeological site ⓘ tourist attraction ⓘ |
| abandonedByCentury | 9th century AD ⓘ |
| declinedAfter |
rise of Portus as main harbor
ⓘ
silting of the Tiber mouth ⓘ |
| developedAs | harbor city of ancient Rome ⓘ |
| excavationBeganIn | 19th century ⓘ |
| foundedAs | Roman colony ⓘ |
| foundedInCentury | 4th century BC ⓘ |
| foundedUnder | Roman Republic ⓘ |
| functionedAs |
commercial port
ⓘ
naval base ⓘ |
| hasNameMeaning | mouth ⓘ |
| hasOriginalName | Ostia ⓘ |
| hasStructure |
Baths of Neptune
ⓘ
Capitolium of Ostia ⓘ Cardo Maximus ⓘ Decumanus Maximus ⓘ Forum of Ostia ⓘ Horrea (granaries) ⓘ Mithraea ⓘ Roman theatre of Ostia ⓘ Synagogue of Ostia ⓘ city walls ⓘ insulae (apartment blocks) ⓘ |
| heritageDesignation | important archaeological area of national interest in Italy ⓘ |
| knownFor |
extensive apartment buildings (insulae)
ⓘ
frescoes ⓘ insight into daily life in imperial Rome ⓘ mosaics ⓘ public baths ⓘ temples ⓘ theatre ⓘ warehouses ⓘ well-preserved ruins ⓘ |
| locatedIn |
Ostia Antica archaeological site
self-linksurface differs
ⓘ
surface form:
Ostia Antica, Rome, Italy
|
| locatedInCountry | Italy ⓘ |
| locatedNear |
Tyrrhenian Sea
ⓘ
mouth of the Tiber River ⓘ |
| majorExcavationsIn | 20th century ⓘ |
| managedBy | Italian Ministry of Culture ⓘ |
| openTo | public ⓘ |
| partOf |
Lazio
ⓘ
Metropolitan City of Rome Capital ⓘ |
| reachedBy | Ostia Antica railway station ⓘ |
| served |
Rome
ⓘ
surface form:
city of Rome
|
| timePeriodOfMajorFlourishing | Imperial Roman period ⓘ |
| touristAttractionFor |
Roman history
ⓘ
archaeology ⓘ |
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 Antica archaeological site Description of subject: Ostia Antica archaeological site is an extensive ancient Roman harbor city near the mouth of the Tiber River, renowned for its well-preserved ruins that offer a vivid picture of daily life in imperial Rome.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ostia Antica
this entity surface form:
Ostia Antica
this entity surface form:
Ostia Antica
this entity surface form:
Ostia Antica
this entity surface form:
Parco Archeologico di Ostia Antica (state-managed museum areas before reorganization)
Ostia Antica archaeological site
→
locatedIn
→
Ostia Antica archaeological site
self-linksurface differs
ⓘ
this entity surface form:
Ostia Antica, Rome, Italy
this entity surface form:
Ostia Antica archaeological area