Triple
T596422
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | RALE |
E17392
|
entity |
| Predicate | identifierFor |
P3732
|
FINISHED |
| Object | Alewife station on the MBTA Red Line |
E35959
|
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 station on the MBTA Red Line | Statement: [RALE, identifierFor, Alewife station on the MBTA Red Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alewife station on the MBTA Red Line Context triple: [RALE, identifierFor, Alewife station on the MBTA Red Line]
-
A.
Alewife station
chosen
Alewife station is a major Boston-area transit hub that serves as the northern terminus of the MBTA Red Line and a key connection point for numerous bus routes.
-
B.
Aquarium station (MBTA Blue Line)
Aquarium station (MBTA Blue Line) is an underground Massachusetts Bay Transportation Authority subway station in downtown Boston serving the Blue Line near the city’s waterfront and tourist attractions.
-
C.
Central station (MBTA) on the Red Line
Central station (MBTA) on the Red Line is an underground rapid transit stop in Cambridge, Massachusetts, serving the Central Square neighborhood on the Massachusetts Bay Transportation Authority’s Red Line.
-
D.
MBTA Red Line
The MBTA Red Line is a major rapid transit line in the Boston metropolitan area that runs through key communities including Cambridge, connecting them to downtown Boston and other parts of the region.
-
E.
MBTA Green Line E branch
The MBTA Green Line E branch is a light rail line in Boston that runs from downtown through the Back Bay and Longwood Medical Area to Heath Street, serving major hospitals, universities, and residential neighborhoods.
- 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_69a49379d09c8190ac7e00b24e2810b1 |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a49bd3e5e08190be95cb2009aad42d |
completed | March 1, 2026, 8:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a518c766508190ae39b6e254a07bc3 |
completed | March 2, 2026, 4:57 a.m. |
Created at: March 1, 2026, 7:33 p.m.