Triple
T5412516
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Copernicus (lunar crater) |
E121044
|
entity |
| Predicate | nearbyCrater |
P34244
|
FINISHED |
| Object |
Eratosthenes (lunar crater)
Eratosthenes is a prominent lunar impact crater located near the eastern edge of Mare Imbrium, notable for its well-defined terraced walls and central peak.
|
E518070
|
NE FINISHED |
How this triple was built (5 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: Eratosthenes (lunar crater) | Statement: [Copernicus (lunar crater), nearbyCrater, Eratosthenes (lunar crater)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Eratosthenes (lunar crater) Context triple: [Copernicus (lunar crater), nearbyCrater, Eratosthenes (lunar crater)]
-
A.
Levi-Civita crater
Levi-Civita crater is a large, heavily eroded impact crater on the Moon’s far side, named after Italian mathematician Tullio Levi-Civita.
-
B.
Ernst Mach crater
Ernst Mach crater is a large impact crater on the Moon’s far side named in honor of the Austrian physicist and philosopher Ernst Mach.
-
C.
Kepler (lunar crater)
Kepler (lunar crater) is a prominent, relatively young impact crater on the Moon’s near side, noted for its bright ray system and association with the astronomer Johannes Kepler.
-
D.
Baade lunar crater
Baade lunar crater is a large impact feature on the Moon’s far side named in honor of German astronomer Walter Baade.
-
E.
Chaplygin crater
Chaplygin crater is an impact crater on the Moon’s far side, notable for its heavily eroded rim and location near the large walled plain Gagarin.
- 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: Eratosthenes (lunar crater) Triple: [Copernicus (lunar crater), nearbyCrater, Eratosthenes (lunar crater)]
Generated description
Eratosthenes is a prominent lunar impact crater located near the eastern edge of Mare Imbrium, notable for its well-defined terraced walls and central peak.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Eratosthenes (lunar crater) Target entity description: Eratosthenes is a prominent lunar impact crater located near the eastern edge of Mare Imbrium, notable for its well-defined terraced walls and central peak.
-
A.
Levi-Civita crater
Levi-Civita crater is a large, heavily eroded impact crater on the Moon’s far side, named after Italian mathematician Tullio Levi-Civita.
-
B.
Ernst Mach crater
Ernst Mach crater is a large impact crater on the Moon’s far side named in honor of the Austrian physicist and philosopher Ernst Mach.
-
C.
Kepler (lunar crater)
Kepler (lunar crater) is a prominent, relatively young impact crater on the Moon’s near side, noted for its bright ray system and association with the astronomer Johannes Kepler.
-
D.
Baade lunar crater
Baade lunar crater is a large impact feature on the Moon’s far side named in honor of German astronomer Walter Baade.
-
E.
Chaplygin crater
Chaplygin crater is an impact crater on the Moon’s far side, notable for its heavily eroded rim and location near the large walled plain Gagarin.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: nearbyCrater Context triple: [Copernicus (lunar crater), nearbyCrater, Eratosthenes (lunar crater)]
-
A.
neighboringCrater
chosen
Indicates that one crater is located adjacent to or very close to another crater, such that they are considered neighbors on a surface.
-
B.
craterDensity
Indicates the measured concentration of impact craters on a surface area, reflecting how densely craters are distributed.
-
C.
craterDiameter
Indicates the measured width of a crater from one rim edge to the opposite rim edge.
-
D.
hasCrater
Indicates that one entity possesses or features a crater on its surface.
-
E.
craterName
Indicates that one entity is the designated name assigned to a specific crater.
- F. None of above.
Provenance (6 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_69bd463a41cc8190b32ff5af2b96ca93 |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd87bb3c0c81908711784bc865ff03 |
completed | March 20, 2026, 5:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf33a22e188190861459f74c3f615a |
completed | March 22, 2026, 12:11 a.m. |
| NEDg | Description generation | batch_69bf342cca148190bd8d09ef8b606602 |
completed | March 22, 2026, 12:13 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69bf34a5e3c08190bb27e20c6bbc2165 |
completed | March 22, 2026, 12:15 a.m. |
| PD | Predicate disambiguation | batch_69bd8467e6b48190b9eaa9de67072e06 |
completed | March 20, 2026, 5:31 p.m. |
Created at: March 20, 2026, 2:05 p.m.