Triple
T9370187
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Crescent |
E225508
|
entity |
| Predicate | takenOverByAmtrak |
P84160
|
FINISHED |
| Object | 1979 |
—
|
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: 1979 | Statement: [Amtrak Crescent, takenOverByAmtrak, 1979]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: takenOverByAmtrak Context triple: [Amtrak Crescent, takenOverByAmtrak, 1979]
-
A.
introducedByAmtrak
Indicates that something (such as a service, policy, feature, or change) was initiated, launched, or brought into use by Amtrak.
-
B.
servedByRailroad
Indicates that a location or facility is provided with transportation or service by a railroad line or company.
-
C.
formerRailOperator
chosen
Indicates that an entity previously operated a rail service or railway system but no longer does so.
-
D.
formerRailroad
Indicates that an entity was previously a railroad but no longer functions as one.
-
E.
followsFormerRailroad
Indicates that something is aligned with or traces the route of a former railroad line.
- 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_69ca842cbddc819099d71ecec48cf9e5 |
completed | March 30, 2026, 2:09 p.m. |
| NER | Named-entity recognition | batch_69cd508274d88190a64b79ab731ac6a1 |
completed | April 1, 2026, 5:06 p.m. |
| PD | Predicate disambiguation | batch_69cc7a6abb8c81908c7a2f4ee92cc949 |
completed | April 1, 2026, 1:52 a.m. |
Created at: March 30, 2026, 7:43 p.m.