Triple
T7530802
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | East Arlington neighborhood |
E178016
|
entity |
| Predicate | near |
P350
|
FINISHED |
| Object | Alewife MBTA station |
E155389
|
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: Alewife MBTA station | Statement: [East Arlington neighborhood, near, Alewife MBTA station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alewife MBTA station Context triple: [East Arlington neighborhood, near, Alewife MBTA station]
-
A.
Alewife MBTA station
chosen
Alewife MBTA station is a major transit hub in Cambridge, Massachusetts, serving as the northern terminus of the Red Line and a key connection point for buses, park-and-ride commuters, and regional bike paths.
-
B.
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.
-
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 Aquarium station
MBTA Aquarium station is an underground subway stop on Boston’s Blue Line located near the New England Aquarium and the downtown waterfront.
-
E.
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.
- 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_69c69f2acdbc8190b5a8320168c1d0ba |
completed | March 27, 2026, 3:15 p.m. |
| NER | Named-entity recognition | batch_69c6f8217b1c8190b3db453cee0fc4fd |
completed | March 27, 2026, 9:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8463e08ac8190abd4d19b58067233 |
completed | March 28, 2026, 9:21 p.m. |
Created at: March 27, 2026, 3:47 p.m.