island of Ithaca
E457112
The island of Ithaca is a small, mountainous Greek island in the Ionian Sea, traditionally celebrated in Homeric epic as the homeland of Odysseus.
All labels observed (3)
| Label | Occurrences |
|---|---|
| island of Ithaca canonical | 3 |
| Ithaca (as Odysseus's destination) | 1 |
| Vathy, Ithaca | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4648639 — 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: island of Ithaca Context triple: [King of Ithaca, domain, island of Ithaca]
-
A.
island of Siphnos
The island of Siphnos is a Greek island in the Cyclades known in antiquity for its wealth from gold and silver mines, which funded impressive sanctuaries and artworks.
-
B.
Aegina
Aegina is a Greek island in the Saronic Gulf, historically significant as a maritime power and cultural center in ancient Greece.
-
C.
Salamis Island
Salamis Island is a Greek island in the Saronic Gulf best known as the site of the pivotal ancient naval Battle of Salamis between the Greek city-states and the Persian Empire.
-
D.
Syros
Syros is a Greek island in the Cyclades known for its historic neoclassical architecture, vibrant port town of Ermoupoli, and role as an administrative and cultural center in the Aegean.
-
E.
Leros
Leros is a Greek island in the southeastern Aegean Sea, known for its natural harbors, World War II history, and traditional villages.
- 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: island of Ithaca Target entity description: The island of Ithaca is a small, mountainous Greek island in the Ionian Sea, traditionally celebrated in Homeric epic as the homeland of Odysseus.
-
A.
island of Siphnos
The island of Siphnos is a Greek island in the Cyclades known in antiquity for its wealth from gold and silver mines, which funded impressive sanctuaries and artworks.
-
B.
Aegina
Aegina is a Greek island in the Saronic Gulf, historically significant as a maritime power and cultural center in ancient Greece.
-
C.
Salamis Island
Salamis Island is a Greek island in the Saronic Gulf best known as the site of the pivotal ancient naval Battle of Salamis between the Greek city-states and the Persian Empire.
-
D.
Syros
Syros is a Greek island in the Cyclades known for its historic neoclassical architecture, vibrant port town of Ermoupoli, and role as an administrative and cultural center in the Aegean.
-
E.
Leros
Leros is a Greek island in the southeastern Aegean Sea, known for its natural harbors, World War II history, and traditional villages.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Greek island
ⓘ
island ⓘ municipality ⓘ |
| administrativeRegion | Ionian Islands (periphery) NERFINISHED ⓘ |
| area | approximately 96 square kilometres ⓘ |
| belongsTo |
European Union
ⓘ
Eurozone NERFINISHED ⓘ |
| capital | Vathy NERFINISHED ⓘ |
| climate | Mediterranean climate ⓘ |
| coastlineCharacteristic | deeply indented ⓘ |
| country | Greece ⓘ |
| economy |
fishing
ⓘ
olive cultivation ⓘ tourism ⓘ |
| hasBay | Bay of Vathy NERFINISHED ⓘ |
| hasPort |
Frikes
NERFINISHED
ⓘ
Kioni NERFINISHED ⓘ Vathy NERFINISHED ⓘ |
| hasSettlement |
Frikes
NERFINISHED
ⓘ
Kioni NERFINISHED ⓘ Perachori NERFINISHED ⓘ Stavros NERFINISHED ⓘ |
| highestElevation | approximately 806 metres ⓘ |
| highestPoint | Mount Neriton NERFINISHED ⓘ |
| islandGroup | Heptanese (Seven Islands) NERFINISHED ⓘ |
| language | Greek ⓘ |
| largestSettlement | Vathy NERFINISHED ⓘ |
| length | approximately 29 kilometres ⓘ |
| locatedIn |
Ionian Archipelago
NERFINISHED
ⓘ
Ionian Islands NERFINISHED ⓘ Ionian Sea NERFINISHED ⓘ western Greece NERFINISHED ⓘ |
| locatedOffCoastOf | Cephalonia NERFINISHED ⓘ |
| mentionedIn |
Homeric epics
NERFINISHED
ⓘ
Homer’s Odyssey NERFINISHED ⓘ |
| mythologicalAssociation |
Odysseus
NERFINISHED
ⓘ
Penelope NERFINISHED ⓘ Telemachus NERFINISHED ⓘ |
| officialLanguage | Greek NERFINISHED ⓘ |
| partOf | Ionian Islands region NERFINISHED ⓘ |
| regionalUnit | Ithaca (regional unit) NERFINISHED ⓘ |
| religionMajority | Greek Orthodox Christianity NERFINISHED ⓘ |
| sea | Ionian Sea NERFINISHED ⓘ |
| separatedFrom | Cephalonia by the Strait of Ithaca ⓘ |
| terrain | mountainous ⓘ |
| timeZone | Eastern European Time ⓘ |
| timeZoneDST | Eastern European Summer Time ⓘ |
| traditionalName | Ithaki NERFINISHED ⓘ |
| traditionalReputation | homeland of Odysseus ⓘ |
| width | up to about 6.5 kilometres ⓘ |
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: island of Ithaca Description of subject: The island of Ithaca is a small, mountainous Greek island in the Ionian Sea, traditionally celebrated in Homeric epic as the homeland of Odysseus.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Vathy, Ithaca
subject surface form:
Aeaea
this entity surface form:
Ithaca (as Odysseus's destination)