Triple
T8398805
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Titan’s north polar seas |
E198118
|
entity |
| Predicate | mappedBy |
P37
|
FINISHED |
| Object |
Cassini radar altimetry
Cassini radar altimetry is a remote sensing technique used by the Cassini spacecraft to measure Titan’s surface elevations and map features such as its north polar seas through radar reflections.
|
E730626
|
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: Cassini radar altimetry | Statement: [Titan’s north polar seas, mappedBy, Cassini radar altimetry]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cassini radar altimetry Context triple: [Titan’s north polar seas, mappedBy, Cassini radar altimetry]
-
A.
Radar for Europa Assessment and Sounding: Ocean to Near-surface
Radar for Europa Assessment and Sounding: Ocean to Near-surface (REASON) is an ice-penetrating radar instrument on NASA’s Europa Clipper spacecraft designed to probe Europa’s icy shell and search for evidence of a subsurface ocean and its structure.
-
B.
Mapping Imaging Spectrometer for Europa
The Mapping Imaging Spectrometer for Europa is a remote-sensing instrument on NASA’s Europa Clipper spacecraft designed to map the moon’s surface composition and search for signs of habitability by analyzing reflected light across a wide range of wavelengths.
-
C.
Mars Advanced Radar for Subsurface and Ionosphere Sounding
Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS) is a radar instrument designed to probe beneath the Martian surface and study its ionosphere by transmitting low-frequency radio waves from orbit.
-
D.
Titan’s north polar seas
Titan’s north polar seas are vast, methane- and ethane-filled bodies of liquid clustered around the north pole of Saturn’s largest moon, including its largest sea, Kraken Mare.
-
E.
Mercury Laser Altimeter
The Mercury Laser Altimeter is a scientific instrument designed to map Mercury’s surface topography with high precision by measuring the time it takes laser pulses to return from the planet’s surface.
- 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: Cassini radar altimetry Triple: [Titan’s north polar seas, mappedBy, Cassini radar altimetry]
Generated description
Cassini radar altimetry is a remote sensing technique used by the Cassini spacecraft to measure Titan’s surface elevations and map features such as its north polar seas through radar reflections.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cassini radar altimetry Target entity description: Cassini radar altimetry is a remote sensing technique used by the Cassini spacecraft to measure Titan’s surface elevations and map features such as its north polar seas through radar reflections.
-
A.
Radar for Europa Assessment and Sounding: Ocean to Near-surface
Radar for Europa Assessment and Sounding: Ocean to Near-surface (REASON) is an ice-penetrating radar instrument on NASA’s Europa Clipper spacecraft designed to probe Europa’s icy shell and search for evidence of a subsurface ocean and its structure.
-
B.
Mapping Imaging Spectrometer for Europa
The Mapping Imaging Spectrometer for Europa is a remote-sensing instrument on NASA’s Europa Clipper spacecraft designed to map the moon’s surface composition and search for signs of habitability by analyzing reflected light across a wide range of wavelengths.
-
C.
Mars Advanced Radar for Subsurface and Ionosphere Sounding
Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS) is a radar instrument designed to probe beneath the Martian surface and study its ionosphere by transmitting low-frequency radio waves from orbit.
-
D.
Titan’s north polar seas
Titan’s north polar seas are vast, methane- and ethane-filled bodies of liquid clustered around the north pole of Saturn’s largest moon, including its largest sea, Kraken Mare.
-
E.
Mercury Laser Altimeter
The Mercury Laser Altimeter is a scientific instrument designed to map Mercury’s surface topography with high precision by measuring the time it takes laser pulses to return from the planet’s surface.
- 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_69ca82f816bc8190ab321c07d72208c1 |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb824ac29481909f02cdb2b7cd18af |
completed | March 31, 2026, 8:14 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cde86f6e148190812a8a9737310501 |
completed | April 2, 2026, 3:54 a.m. |
| NEDg | Description generation | batch_69cdebfd60188190a1681344e2bf1e9e |
completed | April 2, 2026, 4:09 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cded2fa42c8190bfbfc79caf38bf8e |
completed | April 2, 2026, 4:14 a.m. |
Created at: March 30, 2026, 6:04 p.m.