Triple
T9567587
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | East Boston Tunnel |
E230826
|
entity |
| Predicate | openingDateToRapidTransit |
P89843
|
FINISHED |
| Object | 1924 |
—
|
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: 1924 | Statement: [East Boston Tunnel, openingDateToRapidTransit, 1924]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: openingDateToRapidTransit Context triple: [East Boston Tunnel, openingDateToRapidTransit, 1924]
-
A.
openingDateOfTramTerminus
Indicates the date on which a tram terminus was officially opened for service.
-
B.
firstSubwayOpeningDate
Indicates the calendar date on which a subway system or line first began operating.
-
C.
metroLineInaugurated
Indicates that a metro line was officially opened and began operation on a specific date or during a specific event.
-
D.
railwaySectionOpeningDate
Indicates the date on which a specific section of a railway line was officially opened for operation.
-
E.
monorailOpeningDate
Indicates the calendar date on which a monorail system or line was first opened for public operation.
- 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_69ca847f22188190a56e4a97625bef22 |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cd996df4f08190b19bbaefb10a9789 |
completed | April 1, 2026, 10:17 p.m. |
| PD | Predicate disambiguation | batch_69ccd59b960c8190966a8870a2426bd5 |
completed | April 1, 2026, 8:21 a.m. |
| PDg | Predicate description generation | batch_69ccd93e90048190a2b0d7c5c195ba98 |
completed | April 1, 2026, 8:37 a.m. |
Created at: March 30, 2026, 8:04 p.m.