Triple
T34473672
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Canadian National 2-8-2 No. 3254 |
E884971
|
entity |
| Predicate | hasOperatorDuringPreservation |
P189362
|
FINISHED |
| Object | National Park Service (Steamtown) |
—
|
NE NERFINISHED |
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: National Park Service (Steamtown) | Statement: [Canadian National 2-8-2 No. 3254, hasOperatorDuringPreservation, National Park Service (Steamtown)]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasOperatorDuringPreservation Context triple: [Canadian National 2-8-2 No. 3254, hasOperatorDuringPreservation, National Park Service (Steamtown)]
-
A.
hasPreserved
Indicates that one entity has kept another entity intact, unchanged, or maintained in its original or functional state over time.
-
B.
isPreservedBy
Indicates that something remains unchanged, intact, or maintained as it is due to the action or influence of a particular agent or process.
-
C.
hasPreservationActivity
Indicates that an entity is involved in, or associated with, a specific preservation-related action or process.
-
D.
hasPreservedMachinery
Indicates that an entity retains machinery that has been kept in its original or functional condition rather than removed or replaced.
-
E.
hasPreservationControls
Indicates that an entity is subject to specific measures or mechanisms intended to preserve, protect, or maintain it over time.
- F. None of above. chosen
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_69f349c880408190ade571c471ab154a |
completed | April 30, 2026, 12:23 p.m. |
| NER | Named-entity recognition | batch_69fbbc49da8c8190902bbb05d2477cab |
completed | May 6, 2026, 10:10 p.m. |
| PD | Predicate disambiguation | batch_69fbb13f34b08190bbbb220ac1e6e666 |
completed | May 6, 2026, 9:23 p.m. |
| PDg | Predicate description generation | batch_69fbbc48b75c8190bec27dd4b7de797f |
completed | May 6, 2026, 10:10 p.m. |
Created at: May 1, 2026, 2:01 a.m.