OpenSeaMap
E886873
OpenSeaMap is a collaborative, open-source nautical charting project that extends OpenStreetMap data to provide detailed maritime navigation information such as sea marks, harbors, and marine infrastructure.
All labels observed (1)
| Label | Occurrences |
|---|---|
| OpenSeaMap canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10827952 — 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: OpenSeaMap Context triple: [OpenStreetMap, hasRelatedProject, OpenSeaMap]
-
A.
Klibi
Klibi is a Tunisian surname most notably borne by Chedli Klibi, a prominent politician and former Secretary-General of the Arab League.
-
B.
Mapam
Mapam was a left-wing socialist Zionist political party in Israel that played a significant role in the early decades of the state, particularly within the kibbutz movement and peace-oriented politics.
-
C.
Snap Map
Snap Map is a Snapchat feature that lets users share and view friends’ real-time locations and public stories on an interactive world map.
-
D.
Gallery of Maps
The Gallery of Maps is a grand corridor in the Vatican Museums renowned for its 16th-century topographical frescoes depicting detailed maps of the Italian peninsula.
-
E.
Open Sea
Open Sea is a major Monterey Bay Aquarium exhibit featuring a vast pelagic habitat with large open-ocean species such as tunas, sharks, rays, and sea turtles.
- 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: OpenSeaMap Target entity description: OpenSeaMap is a collaborative, open-source nautical charting project that extends OpenStreetMap data to provide detailed maritime navigation information such as sea marks, harbors, and marine infrastructure.
-
A.
Klibi
Klibi is a Tunisian surname most notably borne by Chedli Klibi, a prominent politician and former Secretary-General of the Arab League.
-
B.
Mapam
Mapam was a left-wing socialist Zionist political party in Israel that played a significant role in the early decades of the state, particularly within the kibbutz movement and peace-oriented politics.
-
C.
Snap Map
Snap Map is a Snapchat feature that lets users share and view friends’ real-time locations and public stories on an interactive world map.
-
D.
Gallery of Maps
The Gallery of Maps is a grand corridor in the Vatican Museums renowned for its 16th-century topographical frescoes depicting detailed maps of the Italian peninsula.
-
E.
Open Sea
Open Sea is a major Monterey Bay Aquarium exhibit featuring a vast pelagic habitat with large open-ocean species such as tunas, sharks, rays, and sea turtles.
- F. None of above. chosen
Statements (67)
| Predicate | Object |
|---|---|
| instanceOf |
OpenStreetMap-based project
ⓘ
collaborative mapping project ⓘ nautical chart ⓘ open-source project ⓘ |
| aimsTo | improve free nautical charts worldwide ⓘ |
| basedOn | OpenStreetMap ⓘ |
| dataModelIncludes |
AIS base stations
ⓘ
VHF radio stations ⓘ anchorage areas ⓘ beacons ⓘ bridges ⓘ buoys ⓘ cardinal marks ⓘ coastline features ⓘ commercial ports ⓘ ferries ⓘ fishing harbors ⓘ fuel stations for boats ⓘ harbor facilities ⓘ harbors ⓘ isolated danger marks ⓘ lateral marks ⓘ lighthouses ⓘ locks ⓘ marinas ⓘ mooring buoys ⓘ nature reserves ⓘ piers ⓘ pipelines ⓘ repair yards ⓘ restricted areas ⓘ safe water marks ⓘ sea rescue stations ⓘ shipping routes ⓘ slipways ⓘ slipways and ramps ⓘ special marks ⓘ tide gauges ⓘ tide information points ⓘ traffic separation schemes ⓘ underwater cables ⓘ waterways ⓘ weather stations ⓘ yacht harbors ⓘ |
| focusesOn | nautical charting ⓘ |
| hasComponent |
harbor directory
ⓘ
seamark database ⓘ weather and tide information layers ⓘ |
| hasWebsite | https://www.openseamap.org ⓘ |
| isCollaborative | true ⓘ |
| isOpenSource | true ⓘ |
| language | multilingual ⓘ |
| license | Open Database License ⓘ |
| provides |
harbor information
ⓘ
marine infrastructure information ⓘ maritime navigation information ⓘ sea marks ⓘ |
| supports |
crowdsourced mapping
ⓘ
export of map tiles ⓘ integration with GPS devices ⓘ rendering of seamarks ⓘ |
| targetUserGroup |
fishermen
ⓘ
professional mariners ⓘ recreational sailors ⓘ water sports enthusiasts ⓘ |
| usesDataFrom | OpenStreetMap ⓘ |
| visualization | online slippy map ⓘ |
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: OpenSeaMap Description of subject: OpenSeaMap is a collaborative, open-source nautical charting project that extends OpenStreetMap data to provide detailed maritime navigation information such as sea marks, harbors, and marine infrastructure.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.