Portus Julius naval base
E195445
Portus Julius naval base was an important ancient Roman naval harbor near Naples, engineered under Marcus Vipsanius Agrippa as the main base for the fleet during the wars against Sextus Pompey.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Portus Julius naval base canonical | 2 |
| Portus Iulius naval base | 1 |
| Portus Julius | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1761243 — 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: Portus Julius naval base Context triple: [Marcus Vipsanius Agrippa, notableWork, Portus Julius naval base]
-
A.
Taranto Naval Base
Taranto Naval Base is a major Italian naval installation and strategic Mediterranean fleet headquarters located in the port city of Taranto in southern Italy.
-
B.
Port of Ostia (Portus Traiani)
The Port of Ostia, known as Portus Traiani, was a major artificial harbor complex of ancient Rome that expanded the city’s maritime capacity and became a crucial hub for Mediterranean trade and grain imports.
-
C.
Cagliari Naval Base
Cagliari Naval Base is a major Italian Navy installation located in the port city of Cagliari on the island of Sardinia, serving as a strategic hub for maritime operations in the Mediterranean Sea.
-
D.
Port Hercules
Port Hercules is Monaco’s main deep-water harbor, renowned for its luxury yachts and central role in the principality’s maritime and social life.
-
E.
Port of Ravenna
The Port of Ravenna is a major commercial and industrial seaport on Italy’s Adriatic coast, serving as a key hub for cargo traffic and maritime trade in the northern Adriatic region.
- 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: Portus Julius naval base Target entity description: Portus Julius naval base was an important ancient Roman naval harbor near Naples, engineered under Marcus Vipsanius Agrippa as the main base for the fleet during the wars against Sextus Pompey.
-
A.
Taranto Naval Base
Taranto Naval Base is a major Italian naval installation and strategic Mediterranean fleet headquarters located in the port city of Taranto in southern Italy.
-
B.
Port of Ostia (Portus Traiani)
The Port of Ostia, known as Portus Traiani, was a major artificial harbor complex of ancient Rome that expanded the city’s maritime capacity and became a crucial hub for Mediterranean trade and grain imports.
-
C.
Cagliari Naval Base
Cagliari Naval Base is a major Italian Navy installation located in the port city of Cagliari on the island of Sardinia, serving as a strategic hub for maritime operations in the Mediterranean Sea.
-
D.
Port Hercules
Port Hercules is Monaco’s main deep-water harbor, renowned for its luxury yachts and central role in the principality’s maritime and social life.
-
E.
Port of Ravenna
The Port of Ravenna is a major commercial and industrial seaport on Italy’s Adriatic coast, serving as a key hub for cargo traffic and maritime trade in the northern Adriatic region.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
ancient Roman naval base
ⓘ
harbor ⓘ |
| associatedWithConflict |
Sicilian revolt
ⓘ
linked to:
Sicilian revolt of Sextus Pompey
|
| associatedWithPerson |
Octavian
ⓘ
linked to:
Augustus
Sextus Pompey ⓘ
linked to:
Sextus Pompeius
|
| builtDuring | wars against Sextus Pompey ⓘ |
| connectedTo |
Avernus Lake
ⓘ
Lucrine Lake ⓘ Mediterranean Sea ⓘ |
| constructedUnder | Marcus Vipsanius Agrippa ⓘ |
| country | Roman Empire ⓘ |
| currentCondition | submerged ruins ⓘ |
| engineeredBy | Marcus Vipsanius Agrippa ⓘ |
| era | 1st century BC ⓘ |
| heritageStatus | archaeological site ⓘ |
| locatedIn |
Baiae
ⓘ
Campania ⓘ Italy ⓘ |
| locatedInWaterBody |
Gulf of Pozzuoli
ⓘ
linked to:
Gulf of Naples
|
| locatedNear | Naples ⓘ |
| mainBaseFor | Classis Misenensis ⓘ |
| namedAfter | Julius Caesar ⓘ |
| partOf |
Bay of Naples
ⓘ
linked to:
Gulf of Naples
|
| primaryFunction |
military base
ⓘ
naval harbor ⓘ |
| region |
Phlegraean Fields
ⓘ
linked to:
Phlegraean Fields volcanic system
|
| replacedBy | Misenum naval base ⓘ |
| timePeriod | late Roman Republic ⓘ |
| usedBy | Roman navy ⓘ |
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: Portus Julius naval base Description of subject: Portus Julius naval base was an important ancient Roman naval harbor near Naples, engineered under Marcus Vipsanius Agrippa as the main base for the fleet during the wars against Sextus Pompey.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.