Nerva
E76121
Nerva was a Roman emperor (reigning 96–98 AD) whose brief rule initiated the era of the "Five Good Emperors" and marked a transition to more stable, adoptive succession.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Nerva canonical | 16 |
| Emperor Nerva | 8 |
| Marcus Cocceius Nerva | 1 |
| Roman emperor Nerva | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T561573 — 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: Nerva Context triple: [Trajan, predecessor, Nerva]
-
A.
Trajan
Trajan was a highly esteemed Roman emperor known for expanding the empire to its greatest territorial extent and overseeing a period of military success and public building projects.
-
B.
Vespasian
Vespasian was a 1st-century Roman emperor best known for restoring stability after Nero’s reign and initiating major building projects such as the Colosseum.
-
C.
Domitian
Domitian was a Roman emperor of the Flavian dynasty who ruled from 81 to 96 AD and is known for his authoritarian reign, extensive building projects in Rome, and eventual assassination.
-
D.
Hadrian
Hadrian was a 2nd-century Roman emperor best known for consolidating and fortifying the empire’s frontiers, including commissioning Hadrian’s Wall in Britain, and for his extensive building projects and patronage of Greek culture.
-
E.
Tiberius
Tiberius was the second Roman emperor, ruling from AD 14 to 37, known for his capable early administration and later reclusive, often harsh governance.
- 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: Nerva Target entity description: Nerva was a Roman emperor (reigning 96–98 AD) whose brief rule initiated the era of the "Five Good Emperors" and marked a transition to more stable, adoptive succession.
-
A.
Trajan
Trajan was a highly esteemed Roman emperor known for expanding the empire to its greatest territorial extent and overseeing a period of military success and public building projects.
-
B.
Vespasian
Vespasian was a 1st-century Roman emperor best known for restoring stability after Nero’s reign and initiating major building projects such as the Colosseum.
-
C.
Domitian
Domitian was a Roman emperor of the Flavian dynasty who ruled from 81 to 96 AD and is known for his authoritarian reign, extensive building projects in Rome, and eventual assassination.
-
D.
Hadrian
Hadrian was a 2nd-century Roman emperor best known for consolidating and fortifying the empire’s frontiers, including commissioning Hadrian’s Wall in Britain, and for his extensive building projects and patronage of Greek culture.
-
E.
Tiberius
Tiberius was the second Roman emperor, ruling from AD 14 to 37, known for his capable early administration and later reclusive, often harsh governance.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Roman consul
ⓘ
Roman emperor ⓘ Roman senator ⓘ member of the Nerva–Antonine dynasty ⓘ |
| adoptedHeir | Trajan ⓘ |
| associatedWith | Flavian dynasty ⓘ |
| birthDate | 30 AD ⓘ |
| birthPlace |
Italy
ⓘ
Narni ⓘ Umbria ⓘ |
| burialPlace | Mausoleum of Augustus ⓘ |
| causeOfDeath | natural causes ⓘ |
| consulship |
consul in 71 AD
ⓘ
consul in 90 AD ⓘ consul in 97 AD ⓘ consul in 98 AD ⓘ |
| deathDate | 98 AD ⓘ |
| deathPlace |
Roman Empire
ⓘ
Rome ⓘ |
| dynasty | Nerva–Antonine dynasty ⓘ |
| era |
Imperial Rome
ⓘ
linked to:
Roman Empire
|
| familyName | Cocceius ⓘ |
| father | Marcus Cocceius Nerva the Elder ⓘ |
| fullName |
Marcus Cocceius Nerva
ⓘ
linked to:
Nerva
|
| givenName | Marcus ⓘ |
| house | Cocceia gens ⓘ |
| knownFor |
amnesty for those accused of treason under Domitian
ⓘ
financial reforms to relieve tax burdens ⓘ initiating the era of the Five Good Emperors ⓘ introducing adoptive succession as a principle ⓘ land distributions to the poor ⓘ moderate and conciliatory policies ⓘ restoring some senatorial authority after Domitian ⓘ |
| mother | Sergia Plautilla ⓘ |
| partOf |
the Five Good Emperors
ⓘ
linked to:
Nerva–Antonine dynasty
|
| policy | cooperation with the Roman Senate ⓘ |
| politicalRole |
advisor to Emperor Domitian
ⓘ
advisor to Emperor Titus ⓘ advisor to Emperor Vespasian ⓘ |
| predecessor | Domitian ⓘ |
| reignCharacterization | brief but stabilizing ⓘ |
| reignEnd | 98 AD ⓘ |
| reignStart | 96 AD ⓘ |
| religion | Roman polytheism ⓘ |
| succeededBy | Trajan ⓘ |
| successor | Trajan ⓘ |
| title |
Emperor of the Romans
ⓘ
Pater Patriae ⓘ Pontifex Maximus ⓘ
linked to:
pontifex maximus
|
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: Nerva Description of subject: Nerva was a Roman emperor (reigning 96–98 AD) whose brief rule initiated the era of the "Five Good Emperors" and marked a transition to more stable, adoptive succession.
Referenced by (26)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Nerva
linked to: Nerva
linked to: Nerva
linked to: Nerva
subject linked to:
Cocceius
linked to: Nerva
linked to: Nerva
linked to: Nerva
linked to: Nerva
linked to: Nerva