Triple
T5646567
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | McKim Building |
E124397
|
entity |
| Predicate | publicTransitAccess |
P1288
|
FINISHED |
| Object | Copley station (MBTA Green Line) |
E53386
|
NE 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: Copley station (MBTA Green Line) | Statement: [McKim Building, publicTransitAccess, Copley station (MBTA Green Line)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Copley station (MBTA Green Line) Context triple: [McKim Building, publicTransitAccess, Copley station (MBTA Green Line)]
-
A.
Chestnut Hill station (MBTA Green Line D)
Chestnut Hill station is a light rail stop on Boston’s MBTA Green Line D branch serving the Chestnut Hill neighborhood with access to nearby residential and commercial areas.
-
B.
Porter Square MBTA Red Line station
Porter Square MBTA Red Line station is an underground rapid transit and commuter rail hub in Cambridge, Massachusetts, serving the MBTA Red Line and Fitchburg Line with access to the surrounding Porter Square commercial district.
-
C.
Massachusetts Avenue station
Massachusetts Avenue station is an underground rapid transit stop in Boston, Massachusetts, located in the South End and served by the MBTA's Orange Line.
-
D.
Park Street MBTA station
Park Street MBTA station is a major downtown Boston subway hub on the MBTA’s Green and Red Lines, located at the eastern edge of Boston Common.
-
E.
Copley station
chosen
Copley station is a major underground MBTA subway stop in Boston’s Back Bay neighborhood, serving multiple branches of the Green Line and providing access to nearby landmarks like Copley Square and the Boston Public Library.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69c00825df388190a58742fa9b1aa33d |
completed | March 22, 2026, 3:17 p.m. |
| NER | Named-entity recognition | batch_69c022abf0108190b10b3a9fe1688bf9 |
completed | March 22, 2026, 5:11 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c04d88bbf08190b32d1ad157e28fe4 |
completed | March 22, 2026, 8:14 p.m. |
Created at: March 22, 2026, 3:41 p.m.