Triple
T6287538
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Merope Nebula |
E140936
|
entity |
| Predicate | associatedWithOpenCluster |
P31100
|
FINISHED |
| Object | Messier 45 |
E120917
|
NE FINISHED |
How this triple was built (3 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: Messier 45 | Statement: [Merope Nebula, associatedWithOpenCluster, Messier 45]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Messier 45 Context triple: [Merope Nebula, associatedWithOpenCluster, Messier 45]
-
A.
Messier 45
chosen
Messier 45, commonly known as the Pleiades, is a prominent open star cluster in the constellation Taurus, easily visible to the naked eye and famous in many cultures worldwide.
-
B.
Messier 41
Messier 41 is an open star cluster located near Sirius in the constellation Canis Major, visible to the naked eye under good conditions.
-
C.
Messier 44
Messier 44, also known as the Beehive Cluster or Praesepe, is a bright open star cluster visible to the naked eye and one of the nearest such clusters to Earth.
-
D.
Messier 21
Messier 21 is a young open star cluster in the constellation Sagittarius, notable for its bright, densely packed hot stars and proximity to the Trifid Nebula.
-
E.
Messier 28
Messier 28 is a dense globular star cluster located in the constellation Sagittarius, composed of hundreds of thousands of ancient stars.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: associatedWithOpenCluster Context triple: [Merope Nebula, associatedWithOpenCluster, Messier 45]
-
A.
cataloguedAsOpenCluster
Indicates that an astronomical object has been classified in a catalog as an open star cluster.
-
B.
associatedGlobularCluster
Indicates that one entity is linked or connected to a particular globular cluster in an astronomically relevant way.
-
C.
associatedWithCluster
chosen
Indicates that an entity is linked or grouped with a particular cluster, typically sharing common characteristics or membership within that cluster.
-
D.
belongsToStarCluster
Indicates that an astronomical object is a member of, or gravitationally bound to, a specific star cluster.
-
E.
hasOpenCluster
Indicates that an entity possesses or is associated with an open star cluster.
- F. None of above.
Provenance (4 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_69c008cd17c8819082b82d3fbeb68047 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c063ff9f74819088dc603f56fc930c |
completed | March 22, 2026, 9:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c51973a364819099dc5a99858e9a7a |
completed | March 26, 2026, 11:33 a.m. |
| PD | Predicate disambiguation | batch_69c0560a0270819098ad2785b91e8f39 |
completed | March 22, 2026, 8:50 p.m. |
Created at: March 22, 2026, 4:26 p.m.