Triple
T21031386
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Eratosthenes (lunar crater) |
E518070
|
entity |
| Predicate | usedAsStratigraphicMarkerFor |
P77985
|
FINISHED |
| Object | start of Eratosthenian period |
—
|
LITERAL FINISHED |
How this triple was built (2 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: start of Eratosthenian period | Statement: [Eratosthenes (lunar crater), usedAsStratigraphicMarkerFor, start of Eratosthenian period]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: usedAsStratigraphicMarkerFor Context triple: [Eratosthenes (lunar crater), usedAsStratigraphicMarkerFor, start of Eratosthenian period]
-
A.
usedAsChronostratigraphicMarkerFor
chosen
Indicates that something serves as a reference point or marker for defining or correlating geological time intervals in a chronostratigraphic framework.
-
B.
hasStratigraphicFeature
Indicates a relationship in which a geological unit, site, or context contains, exhibits, or is associated with a particular stratigraphic feature (such as a layer, horizon, or boundary) within its stratigraphic sequence.
-
C.
hasStratigraphicPosition
Indicates the relative position of one geological layer or unit within a stratigraphic sequence in relation to another.
-
D.
lithostratigraphicUsage
Indicates how a lithostratigraphic unit name is applied or used within a particular stratigraphic or geological classification context.
-
E.
hasChronostratigraphicUnit
Indicates a relationship where something is associated with, or classified by, a specific chronostratigraphic unit (a defined interval of geological time represented by rock layers).
- F. None of above.
Provenance (3 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_69e0b503275c8190afd9a163f997c709 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e6fc82b5348190b449d59e6cada9de |
completed | April 21, 2026, 4:26 a.m. |
| PD | Predicate disambiguation | batch_69e5dbf274ac81909bbf245627dc8fdc |
completed | April 20, 2026, 7:55 a.m. |
Created at: April 16, 2026, 1:55 p.m.