R/V Maurice Ewing
E226420
R/V Maurice Ewing was a research vessel renowned for conducting global marine geophysical and oceanographic surveys, particularly in support of seismic and geological studies of the seafloor.
All labels observed (1)
| Label | Occurrences |
|---|---|
| R/V Maurice Ewing canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1960588 — 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: R/V Maurice Ewing Context triple: [Lamont Geological Observatory, hasResearchVessel, R/V Maurice Ewing]
-
A.
R/V Conrad
R/V Conrad was an oceanographic research vessel operated by Columbia University’s Lamont Geological Observatory, used extensively for marine geology and geophysics expeditions.
-
B.
R/V Vema
R/V Vema was a pioneering mid-20th-century oceanographic research vessel whose global cruises produced foundational data for modern marine geology and plate tectonics.
-
C.
NOAA Ship Okeanos Explorer
NOAA Ship Okeanos Explorer is a U.S. National Oceanic and Atmospheric Administration vessel dedicated to systematic ocean exploration and deep-sea mapping using advanced telepresence technology.
-
D.
NOAA Ship Henry B. Bigelow
NOAA Ship Henry B. Bigelow is an American fisheries survey and oceanographic research vessel operated by NOAA to study marine ecosystems and support sustainable fisheries management in the Atlantic Ocean.
-
E.
NOAA Ship Pisces
NOAA Ship Pisces is an advanced fisheries and oceanographic research vessel operated by the National Oceanic and Atmospheric Administration (NOAA) to study marine ecosystems and support resource management.
- 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: R/V Maurice Ewing Target entity description: R/V Maurice Ewing was a research vessel renowned for conducting global marine geophysical and oceanographic surveys, particularly in support of seismic and geological studies of the seafloor.
-
A.
R/V Conrad
R/V Conrad was an oceanographic research vessel operated by Columbia University’s Lamont Geological Observatory, used extensively for marine geology and geophysics expeditions.
-
B.
R/V Vema
R/V Vema was a pioneering mid-20th-century oceanographic research vessel whose global cruises produced foundational data for modern marine geology and plate tectonics.
-
C.
NOAA Ship Okeanos Explorer
NOAA Ship Okeanos Explorer is a U.S. National Oceanic and Atmospheric Administration vessel dedicated to systematic ocean exploration and deep-sea mapping using advanced telepresence technology.
-
D.
NOAA Ship Henry B. Bigelow
NOAA Ship Henry B. Bigelow is an American fisheries survey and oceanographic research vessel operated by NOAA to study marine ecosystems and support sustainable fisheries management in the Atlantic Ocean.
-
E.
NOAA Ship Pisces
NOAA Ship Pisces is an advanced fisheries and oceanographic research vessel operated by the National Oceanic and Atmospheric Administration (NOAA) to study marine ecosystems and support resource management.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
oceanographic research vessel
ⓘ
research vessel ⓘ seismic research vessel ⓘ |
| affiliation | U.S. academic research fleet ⓘ |
| countryOfRegistry | United States of America ⓘ |
| equippedWith |
airgun seismic source array
ⓘ
gravity meter ⓘ magnetometer ⓘ multibeam echosounder ⓘ sub-bottom profiler ⓘ towed hydrophone streamers ⓘ |
| fieldOfWork |
geophysics
ⓘ
marine geology ⓘ oceanography ⓘ |
| hadHomePort |
Lamont-Doherty Earth Observatory, Palisades, New York
ⓘ
linked to:
Lamont–Doherty Earth Observatory
|
| namedAfter | Maurice Ewing ⓘ |
| notableFor |
global marine geophysical surveys
ⓘ
high-capacity seismic source capability ⓘ long-offset seismic streamer operations ⓘ supporting academic marine research ⓘ |
| operatedIn |
Arctic Ocean
ⓘ
Atlantic Ocean ⓘ Indian Ocean ⓘ Pacific Ocean ⓘ Southern Ocean ⓘ global oceans ⓘ |
| operator |
Columbia University
ⓘ
Lamont-Doherty Earth Observatory ⓘ
linked to:
Lamont–Doherty Earth Observatory
|
| primaryMission |
geological studies of the seafloor
ⓘ
marine geophysical surveys ⓘ oceanographic surveys ⓘ seismic studies of the seafloor ⓘ |
| propulsionType | diesel-electric ⓘ |
| status | retired ⓘ |
| successor | R/V Marcus G. Langseth ⓘ |
| supportedProgram |
National Science Foundation–funded marine research
ⓘ
U.S. academic seismic experiments ⓘ |
| typicalUsers |
geophysicists
ⓘ
marine geologists ⓘ oceanographers ⓘ |
| usedFor |
bathymetric mapping
ⓘ
gravity surveys ⓘ heat flow measurements ⓘ magnetic surveys ⓘ multichannel seismic reflection profiling ⓘ sediment coring support ⓘ seismic refraction experiments ⓘ water column studies ⓘ |
| vesselType | monohull ship ⓘ |
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: R/V Maurice Ewing Description of subject: R/V Maurice Ewing was a research vessel renowned for conducting global marine geophysical and oceanographic surveys, particularly in support of seismic and geological studies of the seafloor.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.