Triple
T12175092
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lissajous orbit |
E290066
|
entity |
| Predicate | isUsedAt |
P591
|
FINISHED |
| Object |
Earth–Moon L1 point
The Earth–Moon L1 point is a gravitational equilibrium location between Earth and the Moon where spacecraft can maintain a relatively stable position with minimal fuel, often using Lissajous or halo orbits for observation or transfer missions.
|
E978413
|
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: Earth–Moon L1 point | Statement: [Lissajous orbit, isUsedAt, Earth–Moon L1 point]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Earth–Moon L1 point Context triple: [Lissajous orbit, isUsedAt, Earth–Moon L1 point]
-
A.
Sun–Earth L1 Lagrange point
The Sun–Earth L1 Lagrange point is a gravitationally stable location between the Earth and the Sun where spacecraft can maintain a relatively fixed position with minimal fuel, ideal for continuous solar and space weather observations.
-
B.
Sun–Earth L2
Sun–Earth L2 is a gravitationally stable point in space located beyond Earth's orbit where the combined gravity of the Sun and Earth allows spacecraft, such as the James Webb Space Telescope, to maintain a relatively constant position with minimal fuel use.
-
C.
Earth–Moon barycenter
The Earth–Moon barycenter is the common center of mass around which both Earth and the Moon orbit in their mutual gravitational interaction.
-
D.
Lagrange points
Lagrange points are specific positions in space where the gravitational forces of two large bodies and the orbital motion of a smaller object balance so that the smaller object can remain in a stable or semi-stable location relative to the two larger bodies.
-
E.
Lissajous orbit
A Lissajous orbit is a stable, looping three-dimensional trajectory around a Lagrange point, commonly used by space observatories to maintain a relatively constant position with respect to Earth and the Sun.
- 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: Earth–Moon L1 point Triple: [Lissajous orbit, isUsedAt, Earth–Moon L1 point]
Generated description
The Earth–Moon L1 point is a gravitational equilibrium location between Earth and the Moon where spacecraft can maintain a relatively stable position with minimal fuel, often using Lissajous or halo orbits for observation or transfer missions.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Earth–Moon L1 point Target entity description: The Earth–Moon L1 point is a gravitational equilibrium location between Earth and the Moon where spacecraft can maintain a relatively stable position with minimal fuel, often using Lissajous or halo orbits for observation or transfer missions.
-
A.
Sun–Earth L1 Lagrange point
The Sun–Earth L1 Lagrange point is a gravitationally stable location between the Earth and the Sun where spacecraft can maintain a relatively fixed position with minimal fuel, ideal for continuous solar and space weather observations.
-
B.
Sun–Earth L2
Sun–Earth L2 is a gravitationally stable point in space located beyond Earth's orbit where the combined gravity of the Sun and Earth allows spacecraft, such as the James Webb Space Telescope, to maintain a relatively constant position with minimal fuel use.
-
C.
Earth–Moon barycenter
The Earth–Moon barycenter is the common center of mass around which both Earth and the Moon orbit in their mutual gravitational interaction.
-
D.
Lagrange points
Lagrange points are specific positions in space where the gravitational forces of two large bodies and the orbital motion of a smaller object balance so that the smaller object can remain in a stable or semi-stable location relative to the two larger bodies.
-
E.
Lissajous orbit
A Lissajous orbit is a stable, looping three-dimensional trajectory around a Lagrange point, commonly used by space observatories to maintain a relatively constant position with respect to Earth and the Sun.
- 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_69d6ab4d6c00819095a9a7c35de83cfb |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d915dc71788190bdaadf7be9d8d6ce |
completed | April 10, 2026, 3:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f62a88b3b08190aef789b1965bbe80 |
completed | May 2, 2026, 4:47 p.m. |
| NEDg | Description generation | batch_69f62c54e6b08190bdae0ec35cc1c48d |
completed | May 2, 2026, 4:54 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f62d13237881908b7c2dca173e20cf |
completed | May 2, 2026, 4:57 p.m. |
Created at: April 8, 2026, 9:50 p.m.