Meton of Athens
E81627
Meton of Athens was a 5th-century BCE Greek astronomer and mathematician known for introducing the 19-year Metonic cycle that linked lunar and solar calendars.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Meton of Athens canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T652373 — 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: Meton of Athens Context triple: [Metonic cycle, namedAfter, Meton of Athens]
-
A.
Apollodorus of Athens
Apollodorus of Athens was a 2nd-century BCE Greek scholar and grammarian known for his influential mythographical and chronological works.
-
B.
Timotheus
Timotheus is the Latin form of the given name Timothy, historically used in ecclesiastical, scholarly, and classical contexts.
-
C.
Hipparchus of Athens
Hipparchus of Athens was a 6th-century BCE Athenian tyrant of the Peisistratid family, known as a patron of the arts and for his assassination, which became a celebrated event in Athenian democratic lore.
-
D.
Apollodorus of Damascus
Apollodorus of Damascus was a prominent 2nd-century Roman architect and engineer known for designing major imperial projects under Emperor Trajan, including monumental buildings and infrastructure across the Roman Empire.
-
E.
Timaeus of Tauromenium
Timaeus of Tauromenium was an ancient Greek historian of Magna Graecia, best known for his extensive universal history that greatly influenced later writers like Polybius and Diodorus Siculus.
- 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: Meton of Athens Target entity description: Meton of Athens was a 5th-century BCE Greek astronomer and mathematician known for introducing the 19-year Metonic cycle that linked lunar and solar calendars.
-
A.
Apollodorus of Athens
Apollodorus of Athens was a 2nd-century BCE Greek scholar and grammarian known for his influential mythographical and chronological works.
-
B.
Timotheus
Timotheus is the Latin form of the given name Timothy, historically used in ecclesiastical, scholarly, and classical contexts.
-
C.
Hipparchus of Athens
Hipparchus of Athens was a 6th-century BCE Athenian tyrant of the Peisistratid family, known as a patron of the arts and for his assassination, which became a celebrated event in Athenian democratic lore.
-
D.
Apollodorus of Damascus
Apollodorus of Damascus was a prominent 2nd-century Roman architect and engineer known for designing major imperial projects under Emperor Trajan, including monumental buildings and infrastructure across the Roman Empire.
-
E.
Timaeus of Tauromenium
Timaeus of Tauromenium was an ancient Greek historian of Magna Graecia, best known for his extensive universal history that greatly influenced later writers like Polybius and Diodorus Siculus.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
Athenian citizen
ⓘ
ancient Greek astronomer ⓘ ancient Greek mathematician ⓘ |
| approximateFloruit | 5th century BCE ⓘ |
| associatedCityState | Athens ⓘ |
| associatedDiscipline | Greek theoretical astronomy ⓘ |
| associatedWith |
Metonic cycle
ⓘ
surface form:
Athenian calendar reform
|
| calendarTypeWorkedOn | lunisolar calendar ⓘ |
| centuryActive | 5th century BCE ⓘ |
| contribution |
introduction of a 19-year lunisolar cycle
ⓘ
linking lunar and solar calendars ⓘ |
| countryOfOrigin |
Greek Antiquity
ⓘ
surface form:
Ancient Greece
|
| culture | Classical Greek ⓘ |
| era |
Classical Greece
ⓘ
surface form:
Classical period of Ancient Greece
|
| ethnicity | Greek ⓘ |
| fieldOfWork |
astronomy
ⓘ
calendar science ⓘ mathematics ⓘ |
| hasConceptNamedAfter | Metonic cycle ⓘ |
| influenced |
Hellenistic astronomy
ⓘ
later Greek calendar systems ⓘ |
| knownFor | Metonic cycle ⓘ |
| legacy |
Metonic cycle
ⓘ
surface form:
Metonic cycle used in later calendar computations
|
| name | Meton of Athens self-link ⓘ |
| notableAchievement | establishing a 19-year cycle in which lunar phases recur on the same solar dates ⓘ |
| occupation |
astronomer
ⓘ
mathematician ⓘ |
| placeOfOrigin | Athens ⓘ |
| usedFor | regulation of lunisolar calendars ⓘ |
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: Meton of Athens Description of subject: Meton of Athens was a 5th-century BCE Greek astronomer and mathematician known for introducing the 19-year Metonic cycle that linked lunar and solar calendars.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.