Subsurface
E50340
desktop application
dive log software
dive planning software
free and open-source software
mobile application
Subsurface is an open-source dive log and planning software application originally developed by Linux creator Linus Torvalds for recreational and technical scuba divers.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Subsurface canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T398228 — 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: Subsurface Context triple: [Linus Torvalds, creatorOf, Subsurface]
-
A.
Sirena Deep
Sirena Deep is one of the deepest known points in the world's oceans, located within the Mariana Trench in the western Pacific Ocean.
-
B.
Life Below Water
Life Below Water is a United Nations Sustainable Development Goal focused on conserving and sustainably using the oceans, seas, and marine resources.
-
C.
Calypso Deep
Calypso Deep is the deepest known point in the Mediterranean Sea, located in the Hellenic Trench near Greece.
-
D.
Dungeon Rock
Dungeon Rock is a historic cave in Lynn, Massachusetts, associated with pirate legends and 19th-century spiritualist treasure-hunting excavations.
-
E.
Muck
Muck is one of the Small Isles of Scotland, a tiny Inner Hebridean island known for its rugged coastline, wildlife, and remote rural character.
- 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: Subsurface Target entity description: Subsurface is an open-source dive log and planning software application originally developed by Linux creator Linus Torvalds for recreational and technical scuba divers.
-
A.
Sirena Deep
Sirena Deep is one of the deepest known points in the world's oceans, located within the Mariana Trench in the western Pacific Ocean.
-
B.
Life Below Water
Life Below Water is a United Nations Sustainable Development Goal focused on conserving and sustainably using the oceans, seas, and marine resources.
-
C.
Calypso Deep
Calypso Deep is the deepest known point in the Mediterranean Sea, located in the Hellenic Trench near Greece.
-
D.
Dungeon Rock
Dungeon Rock is a historic cave in Lynn, Massachusetts, associated with pirate legends and 19th-century spiritualist treasure-hunting excavations.
-
E.
Muck
Muck is one of the Small Isles of Scotland, a tiny Inner Hebridean island known for its rugged coastline, wildlife, and remote rural character.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
desktop application
ⓘ
dive log software ⓘ dive planning software ⓘ free and open-source software ⓘ mobile application ⓘ |
| category | Underwater diving software ⓘ |
| developer | Subsurface development team ⓘ |
| feature |
CCR dive support
ⓘ
GPS-based dive site management ⓘ buddy and equipment tracking ⓘ cloud synchronization ⓘ decompression planning ⓘ dive log management ⓘ dive planning ⓘ dive profile visualization ⓘ gas management calculations ⓘ import from dive computers ⓘ multi-gas support ⓘ statistics and dive analysis ⓘ |
| genre | scuba diving software ⓘ |
| hasComponent |
Subsurface cloud storage
ⓘ
Subsurface-mobile ⓘ |
| initialReleaseDeveloper | Linus Torvalds ⓘ |
| operatingSystem |
Android
ⓘ
Linux ⓘ Windows ⓘ iOS ⓘ macOS ⓘ |
| originalAuthor | Linus Torvalds ⓘ |
| programmingLanguage |
C++
ⓘ
Qt ⓘ |
| softwareLicense | GNU General Public License ⓘ |
| sourceCodeRepository | https://github.com/Subsurface/subsurface ⓘ |
| supportsDevice |
dive computers via Bluetooth
ⓘ
dive computers via USB ⓘ dive computers via serial interfaces ⓘ |
| supportsFormat |
Shearwater dive computer formats
ⓘ
Suunto dive computer formats ⓘ UDDF ⓘ various manufacturer-specific dive log formats ⓘ |
| supportsLanguage |
English
ⓘ
multiple languages ⓘ |
| targetUser |
dive instructors
ⓘ
scuba divers ⓘ technical divers ⓘ |
| use |
recreational scuba diving
ⓘ
technical scuba diving ⓘ |
| website | https://subsurface-divelog.org/ ⓘ |
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: Subsurface Description of subject: Subsurface is an open-source dive log and planning software application originally developed by Linux creator Linus Torvalds for recreational and technical scuba divers.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.