Triple
T22955131
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Broadway–South Boston station |
E570733
|
entity |
| Predicate | formerNameOf |
P65
|
FINISHED |
| Object | Broadway station (MBTA) |
—
|
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: Broadway station (MBTA) | Statement: [Broadway–South Boston station, formerNameOf, Broadway station (MBTA)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Broadway station (MBTA) Context triple: [Broadway–South Boston station, formerNameOf, Broadway station (MBTA)]
-
A.
Broadway station (MBTA)
chosen
Broadway station (MBTA) is an underground rapid transit station in South Boston serving the MBTA Red Line.
-
B.
Broadway–South Boston station
Broadway–South Boston station is a former name for what is now known as Broadway station, a rapid transit stop on the MBTA Red Line in South Boston, Massachusetts.
-
C.
Wellington Station (MBTA)
Wellington Station (MBTA) is an Orange Line rapid transit station in Medford, Massachusetts, serving as a key park-and-ride and bus transfer hub just north of downtown Boston.
-
D.
Waban MBTA station
Waban MBTA station is a light rail stop on the MBTA Green Line D branch in Newton, Massachusetts, serving the village of Waban.
-
E.
Kenmore MBTA station
Kenmore MBTA station is a major Boston subway and bus hub on the MBTA Green Line, serving the Kenmore Square area near Fenway Park and Boston University.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e245b212a88190b5259caf51606084 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f181f09de48190b55913570c965412 |
completed | April 29, 2026, 3:58 a.m. |
Created at: April 17, 2026, 3:47 p.m.