Triple
T20240483
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hastings station |
E498273
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Boston’s Back Bay station (via Framingham/Worcester Line) |
—
|
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: Boston’s Back Bay station (via Framingham/Worcester Line) | Statement: [Hastings station, connectsTo, Boston’s Back Bay station (via Framingham/Worcester Line)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston’s Back Bay station (via Framingham/Worcester Line) Context triple: [Hastings station, connectsTo, Boston’s Back Bay station (via Framingham/Worcester Line)]
-
A.
Boston’s North Station (via Fitchburg Line)
Boston’s North Station (via Fitchburg Line) is a major MBTA commuter rail terminal in Boston that serves as the downtown endpoint for the Fitchburg Line and several other northside rail routes.
-
B.
MBTA commuter rail at Back Bay
chosen
MBTA commuter rail at Back Bay is a major Boston rail station where regional commuter trains connect with subway services, including the Green Line’s E Branch.
-
C.
Fitchburg Line stations
Fitchburg Line stations are the commuter rail stops served by the MBTA’s Fitchburg Line running between Boston and communities to its northwest.
-
D.
Yawkey commuter rail station in Boston
Yawkey commuter rail station in Boston is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located near Fenway Park, serving the Framingham/Worcester Line.
-
E.
Framingham station
Framingham station is a commuter rail station in Framingham, Massachusetts, serving MBTA and Amtrak trains on the Worcester Line west of Boston.
- 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_69da6274c58c81909c646eabed6f4f30 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6716dd0b081909d4063150cdc0c02 |
completed | April 20, 2026, 6:33 p.m. |
Created at: April 11, 2026, 11:40 p.m.