Triple
T7297036
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Needham Line |
E164549
|
entity |
| Predicate | reopenedAsMBTAService |
P76067
|
FINISHED |
| Object | 1970s |
—
|
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: 1970s | Statement: [Needham Line, reopenedAsMBTAService, 1970s]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: reopenedAsMBTAService Context triple: [Needham Line, reopenedAsMBTAService, 1970s]
-
A.
reopenedAsMetroStation
Indicates that a previously closed or differently used station was later reopened specifically as a metro station.
-
B.
openedAsMetraService
Indicates that a transportation facility or line began operating specifically as part of the Metra commuter rail service.
-
C.
openedAsMBTAStation
Indicates that an entity began operation specifically as an MBTA station at a particular time.
-
D.
openedAsMetroNorthService
Indicates that a transportation facility or line began operation specifically as part of the Metro-North Railroad service.
-
E.
reopenedAsSubwayStation
Indicates that a previously closed or differently used station has been opened again specifically as a subway station.
- 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_69c6887a499881909dd23341399c59d8 |
completed | March 27, 2026, 1:39 p.m. |
| NER | Named-entity recognition | batch_69c6eb8e48d48190ada4d507f3b61bc4 |
completed | March 27, 2026, 8:41 p.m. |
| PD | Predicate disambiguation | batch_69c6e76e67d88190bd3ca6864f45845a |
completed | March 27, 2026, 8:24 p.m. |
| PDg | Predicate description generation | batch_69c6eb2d4c0c8190b4cc6fdfdb7f4827 |
completed | March 27, 2026, 8:40 p.m. |
Created at: March 27, 2026, 3 p.m.