Battle of Cos
E744556
The Battle of Cos was a Hellenistic-era naval clash in the Aegean Sea, likely between the Ptolemaic Kingdom and Antigonid Macedon, that helped shift maritime dominance away from Ptolemaic control.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Battle of Cos canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8385590 — 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: Battle of Cos Context triple: [Ptolemaic navy, notableEngagement, Battle of Cos]
-
A.
Battle of Kos
The Battle of Kos was a World War II engagement in October 1943 in which German forces seized the Greek island of Kos from British and Italian troops during the Dodecanese campaign.
-
B.
Battle of Lechaeum
The Battle of Lechaeum was a notable engagement of the Corinthian War (390 BC) in which a smaller Athenian force under Iphicrates used peltasts to decisively defeat a Spartan mora near Corinth.
-
C.
Battle of Taginae
The Battle of Taginae was a decisive 552 AD clash in the Gothic War in which the Byzantine general Narses defeated and killed the Ostrogothic king Totila, helping to restore imperial control over Italy under Emperor Justinian I.
-
D.
Battle of Doiran
The Battle of Doiran was a series of World War I engagements between Bulgarian and Allied forces near Lake Doiran in Macedonia, notable for the strong Bulgarian defensive stand on the Balkan Front.
-
E.
Battle of Telephis
The Battle of Telephis was a significant engagement during the Lazic War between the Eastern Roman (Byzantine) Empire and the Sasanian Persian Empire over control of the strategically vital region of Lazica in the Caucasus.
- 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: Battle of Cos Target entity description: The Battle of Cos was a Hellenistic-era naval clash in the Aegean Sea, likely between the Ptolemaic Kingdom and Antigonid Macedon, that helped shift maritime dominance away from Ptolemaic control.
-
A.
Battle of Kos
The Battle of Kos was a World War II engagement in October 1943 in which German forces seized the Greek island of Kos from British and Italian troops during the Dodecanese campaign.
-
B.
Battle of Lechaeum
The Battle of Lechaeum was a notable engagement of the Corinthian War (390 BC) in which a smaller Athenian force under Iphicrates used peltasts to decisively defeat a Spartan mora near Corinth.
-
C.
Battle of Taginae
The Battle of Taginae was a decisive 552 AD clash in the Gothic War in which the Byzantine general Narses defeated and killed the Ostrogothic king Totila, helping to restore imperial control over Italy under Emperor Justinian I.
-
D.
Battle of Doiran
The Battle of Doiran was a series of World War I engagements between Bulgarian and Allied forces near Lake Doiran in Macedonia, notable for the strong Bulgarian defensive stand on the Balkan Front.
-
E.
Battle of Telephis
The Battle of Telephis was a significant engagement during the Lazic War between the Eastern Roman (Byzantine) Empire and the Sasanian Persian Empire over control of the strategically vital region of Lazica in the Caucasus.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
Hellenistic-era battle
ⓘ
naval battle ⓘ |
| belligerent |
Antigonid Macedon
ⓘ
linked to:
Antigonid dynasty
Ptolemaic Kingdom ⓘ |
| combatant |
Antigonid Macedon
ⓘ
linked to:
Antigonid dynasty
Ptolemaic Kingdom ⓘ |
| conflictType | naval engagement ⓘ |
| effect |
shift of maritime dominance away from Ptolemaic control
ⓘ
strengthening of Antigonid naval power ⓘ |
| hasUncertainty |
details of commanders uncertain
ⓘ
exact date disputed ⓘ exact location within the Aegean Sea uncertain ⓘ |
| historicalPeriod | Hellenistic period ⓘ |
| languageOfPrimarySources | Ancient Greek ⓘ |
| locatedIn | Aegean Sea ⓘ |
| locatedNear |
island of Kos
ⓘ
linked to:
Kos
|
| notableFor |
being one of the key naval battles of the Hellenistic era
ⓘ
contributing to the end of Ptolemaic thalassocracy in the Aegean ⓘ |
| outcome | decline of Ptolemaic naval supremacy in the Aegean ⓘ |
| partOf |
Hellenistic period conflicts
ⓘ
Wars of the Diadochi ⓘ |
| relatedEvent |
Battle of Andros
ⓘ
Battle of Ephesus (Hellenistic) ⓘ
linked to:
Battle of Ephesus (c. 258 BC)
|
| result | Antigonid victory ⓘ |
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: Battle of Cos Description of subject: The Battle of Cos was a Hellenistic-era naval clash in the Aegean Sea, likely between the Ptolemaic Kingdom and Antigonid Macedon, that helped shift maritime dominance away from Ptolemaic control.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.