Triple
T21367140
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Mattapan Line |
E526945
|
entity |
| Predicate | hasTransfer |
P17241
|
FINISHED |
| Object | Ashmont busway |
—
|
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: Ashmont busway | Statement: [MBTA Mattapan Line, hasTransfer, Ashmont busway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ashmont busway Context triple: [MBTA Mattapan Line, hasTransfer, Ashmont busway]
-
A.
McCormick Place Busway
McCormick Place Busway is a dedicated roadway in Chicago used primarily for buses and authorized vehicles to provide efficient access to the McCormick Place convention center area.
-
B.
South Boston Transitway
The South Boston Transitway is an underground bus rapid transit tunnel in Boston that carries MBTA Silver Line routes between South Station and the Seaport District.
-
C.
Forest Hills busway
Forest Hills busway is a dedicated bus transit facility serving the Forest Hills area, providing streamlined connections for local and regional bus routes.
-
D.
Sullivan Square MBTA busway
chosen
Sullivan Square MBTA busway is a major bus transfer facility in Boston’s Sullivan Square area that connects numerous MBTA bus routes with the adjacent Orange Line subway station.
-
E.
West Busway
West Busway is a dedicated bus rapid transit corridor serving the western suburbs of Pittsburgh, Pennsylvania.
- 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_69e0b51e80808190ba5cb05667af02a9 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69ee5bae5eb88190be6d9ff4dc03d52b |
completed | April 26, 2026, 6:38 p.m. |
Created at: April 16, 2026, 5:09 p.m.