Triple
T21081502
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | The Shops at Prudential Center |
E519379
|
entity |
| Predicate | accessibleBy |
P1017
|
FINISHED |
| Object | MBTA Green Line Prudential station |
—
|
NE NERFINISHED |
How this triple was built (3 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: MBTA Green Line Prudential station | Statement: [The Shops at Prudential Center, accessibleBy, MBTA Green Line Prudential station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MBTA Green Line Prudential station Context triple: [The Shops at Prudential Center, accessibleBy, MBTA Green Line Prudential station]
-
A.
MBTA State Street station
MBTA State Street station is a major underground subway station in downtown Boston serving the Orange and Blue Lines near key historic and commercial sites.
-
B.
MBTA Lechmere station
MBTA Lechmere station is a Green Line light rail station in East Cambridge, Massachusetts, serving as a key transit hub near the CambridgeSide shopping and office district.
-
C.
MBTA Silver Hill station
MBTA Silver Hill station is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line serving the Silver Hill neighborhood of Weston, Massachusetts.
-
D.
MBTA Red Line Wollaston station
MBTA Red Line Wollaston station is a rapid transit stop in Quincy, Massachusetts, serving the Red Line’s Braintree Branch and providing access to nearby residential areas and Quincy Bay.
-
E.
MBTA Government Center station
MBTA Government Center station is a major Boston subway hub on the Green and Blue Lines, serving the City Hall and downtown civic center area.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MBTA Green Line Prudential station Target entity description: MBTA Green Line Prudential station is an underground light rail stop on Boston’s Green Line E branch serving the Back Bay and Prudential Center area.
-
A.
MBTA State Street station
MBTA State Street station is a major underground subway station in downtown Boston serving the Orange and Blue Lines near key historic and commercial sites.
-
B.
MBTA Lechmere station
MBTA Lechmere station is a Green Line light rail station in East Cambridge, Massachusetts, serving as a key transit hub near the CambridgeSide shopping and office district.
-
C.
MBTA Silver Hill station
MBTA Silver Hill station is a small commuter rail stop on the Massachusetts Bay Transportation Authority’s Fitchburg Line serving the Silver Hill neighborhood of Weston, Massachusetts.
-
D.
MBTA Red Line Wollaston station
MBTA Red Line Wollaston station is a rapid transit stop in Quincy, Massachusetts, serving the Red Line’s Braintree Branch and providing access to nearby residential areas and Quincy Bay.
-
E.
MBTA Government Center station
MBTA Government Center station is a major Boston subway hub on the Green and Blue Lines, serving the City Hall and downtown civic center area.
- F. None of above. chosen
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_69e0b506e59c8190849b71ed07929215 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e702db430c81908a1547d8fbe45506 |
completed | April 21, 2026, 4:53 a.m. |
Created at: April 16, 2026, 2:49 p.m.