Triple

T11108696
Position Surface form Disambiguated ID Type / Status
Subject Oceansat-2 E262698 entity
Predicate instrument P792 FINISHED
Object Ku-band Scatterometer
The Ku-band Scatterometer is a microwave radar instrument used on satellites to measure ocean surface wind speed and direction by detecting radar backscatter from the sea surface.
 E906295 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Ku-band Scatterometer | Statement: [Oceansat-2, instrument, Ku-band Scatterometer]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ku-band Scatterometer
Context triple: [Oceansat-2, instrument, Ku-band Scatterometer]
  • A. Advanced Microwave Scanning Radiometer for EOS
    The Advanced Microwave Scanning Radiometer for EOS is a satellite-borne microwave radiometer that measures global precipitation, sea surface temperature, sea ice, and other climate-related variables to support Earth observation and weather and climate research.
  • B. GPM Microwave Imager
    GPM Microwave Imager is a spaceborne radiometer on NASA and JAXA’s Global Precipitation Measurement core satellite that measures microwave emissions from Earth’s atmosphere to retrieve global rainfall and snowfall.
  • C. RADARSAT-2
    RADARSAT-2 is a Canadian Earth observation satellite equipped with advanced synthetic aperture radar (SAR) technology used for environmental monitoring, resource management, and surveillance.
  • D. Aqua satellite
    Aqua is a NASA Earth observation satellite focused on studying the planet’s water cycle, including oceans, atmosphere, and ice.
  • E. Shuttle Imaging Radar-B
    Shuttle Imaging Radar-B was a spaceborne synthetic aperture radar instrument flown on the Space Shuttle to study Earth's surface and environmental features through all-weather, day-and-night imaging.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Ku-band Scatterometer
Triple: [Oceansat-2, instrument, Ku-band Scatterometer]
Generated description
The Ku-band Scatterometer is a microwave radar instrument used on satellites to measure ocean surface wind speed and direction by detecting radar backscatter from the sea surface.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ku-band Scatterometer
Target entity description: The Ku-band Scatterometer is a microwave radar instrument used on satellites to measure ocean surface wind speed and direction by detecting radar backscatter from the sea surface.
  • A. Advanced Microwave Scanning Radiometer for EOS
    The Advanced Microwave Scanning Radiometer for EOS is a satellite-borne microwave radiometer that measures global precipitation, sea surface temperature, sea ice, and other climate-related variables to support Earth observation and weather and climate research.
  • B. GPM Microwave Imager
    GPM Microwave Imager is a spaceborne radiometer on NASA and JAXA’s Global Precipitation Measurement core satellite that measures microwave emissions from Earth’s atmosphere to retrieve global rainfall and snowfall.
  • C. RADARSAT-2
    RADARSAT-2 is a Canadian Earth observation satellite equipped with advanced synthetic aperture radar (SAR) technology used for environmental monitoring, resource management, and surveillance.
  • D. Aqua satellite
    Aqua is a NASA Earth observation satellite focused on studying the planet’s water cycle, including oceans, atmosphere, and ice.
  • E. Shuttle Imaging Radar-B
    Shuttle Imaging Radar-B was a spaceborne synthetic aperture radar instrument flown on the Space Shuttle to study Earth's surface and environmental features through all-weather, day-and-night imaging.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d6aa9b46cc8190b19f9f0cc45bf322 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d79a67d10c8190815d4c27d55270e8 completed April 9, 2026, 12:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69e42d72f8f48190a7414119a6be9d5e completed April 19, 2026, 1:18 a.m.
NEDg Description generation batch_69e4374700b881908ebb185ae020487b completed April 19, 2026, 2 a.m.
NED2 Entity disambiguation (via description) batch_69e4399385c08190852c3cbd730a1f11 completed April 19, 2026, 2:10 a.m.
Created at: April 8, 2026, 9:27 p.m.