Byzantine theme of Opsikion
E1034457
The Byzantine theme of Opsikion was a prominent military-administrative district in northwestern Asia Minor that played a key role in the empire’s defense and politics during the early Middle Ages.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Byzantine theme of Opsikion canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13327326 — 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: Byzantine theme of Opsikion Context triple: [Ankyra, wasCapitalOf, Byzantine theme of Opsikion]
-
A.
Byzantine theme of Thrace
The Byzantine theme of Thrace was a military-administrative province of the Byzantine Empire located in the historical region of Thrace in southeastern Europe.
-
B.
Byzantine theme (Isauria / related districts)
The Byzantine theme of Isauria was a military-administrative district in southern Asia Minor, centered in the rugged Isaurian region, that played a key role in the empire’s frontier defense and provincial governance during the Middle Byzantine period.
-
C.
Byzantine theme of Syria
The Byzantine theme of Syria was a major military-administrative province of the Byzantine Empire centered on Antioch, serving as a key frontier region against Arab powers in the Middle Ages.
-
D.
Macedonia (Byzantine theme)
Macedonia (Byzantine theme) was a Byzantine military-administrative district in the Balkans that served as a key frontier province and later lent its name to the influential Macedonian dynasty.
-
E.
Byzantine themes of Asia Minor
The Byzantine themes of Asia Minor were a network of military-administrative provinces that formed the core of the Byzantine Empire’s territorial, economic, and defensive structure in Anatolia during the Middle Ages.
- 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: Byzantine theme of Opsikion Target entity description: The Byzantine theme of Opsikion was a prominent military-administrative district in northwestern Asia Minor that played a key role in the empire’s defense and politics during the early Middle Ages.
-
A.
Byzantine theme of Thrace
The Byzantine theme of Thrace was a military-administrative province of the Byzantine Empire located in the historical region of Thrace in southeastern Europe.
-
B.
Byzantine theme (Isauria / related districts)
The Byzantine theme of Isauria was a military-administrative district in southern Asia Minor, centered in the rugged Isaurian region, that played a key role in the empire’s frontier defense and provincial governance during the Middle Byzantine period.
-
C.
Byzantine theme of Syria
The Byzantine theme of Syria was a major military-administrative province of the Byzantine Empire centered on Antioch, serving as a key frontier region against Arab powers in the Middle Ages.
-
D.
Macedonia (Byzantine theme)
Macedonia (Byzantine theme) was a Byzantine military-administrative district in the Balkans that served as a key frontier province and later lent its name to the influential Macedonian dynasty.
-
E.
Byzantine themes of Asia Minor
The Byzantine themes of Asia Minor were a network of military-administrative provinces that formed the core of the Byzantine Empire’s territorial, economic, and defensive structure in Anatolia during the Middle Ages.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Byzantine theme
ⓘ
military-administrative district ⓘ |
| alternativeName |
Opsikion
NERFINISHED
ⓘ
Opsikion theme NERFINISHED ⓘ |
| borderedBy |
Anatolic theme
NERFINISHED
ⓘ
Bucellarian theme NERFINISHED ⓘ Thracesian theme NERFINISHED ⓘ |
| capital |
Nicea
NERFINISHED
ⓘ
Nicomedia NERFINISHED ⓘ |
| commanderTitle |
count of the Opsikion
ⓘ
komes tou Opsikiou ⓘ |
| country | Byzantine Empire ⓘ |
| dissolved | 9th century ⓘ |
| era | Middle Ages ⓘ |
| established | 7th century ⓘ |
| establishedBy | Byzantine Empire NERFINISHED ⓘ |
| establishedDuringReignOf | Constans II NERFINISHED ⓘ |
| floruit |
7th century
ⓘ
8th century ⓘ early 9th century ⓘ |
| garrisonedBy | elite troops ⓘ |
| governmentType | theme administration ⓘ |
| hadFunction |
local administration
ⓘ
military recruitment ⓘ tax collection ⓘ |
| includedCity |
Cyzicus
NERFINISHED
ⓘ
Nicea NERFINISHED ⓘ Nicomedia NERFINISHED ⓘ |
| languageOfName | Greek ⓘ |
| laterCommanderTitle | strategos of the Opsikion ⓘ |
| locatedIn |
Anatolia
NERFINISHED
ⓘ
northwestern Asia Minor ⓘ |
| militaryUnitType | thematic army ⓘ |
| namedAfter | imperial Obsequium ⓘ |
| partOf |
Byzantine Anatolia
NERFINISHED
ⓘ
Byzantine themata system NERFINISHED ⓘ |
| playedRoleIn |
8th-century Byzantine revolts
ⓘ
Byzantine Iconoclasm NERFINISHED ⓘ |
| religion | Eastern Orthodox Christianity ⓘ |
| role |
frontier defense
ⓘ
imperial guard base ⓘ political power center ⓘ |
| strategicImportance |
control of Propontis region
ⓘ
defense of Constantinople approaches ⓘ |
| subsequentlyDividedInto |
Bucellarian theme
NERFINISHED
ⓘ
Optimatoi theme NERFINISHED ⓘ |
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: Byzantine theme of Opsikion Description of subject: The Byzantine theme of Opsikion was a prominent military-administrative district in northwestern Asia Minor that played a key role in the empire’s defense and politics during the early Middle Ages.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.