Triple
T3404416
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Braintree Branch |
E71735
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Quincy Adams station |
E39919
|
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: Quincy Adams station | Statement: [MBTA Braintree Branch, hasStation, Quincy Adams station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Quincy Adams station Context triple: [MBTA Braintree Branch, hasStation, Quincy Adams station]
-
A.
Quincy Adams station
chosen
Quincy Adams station is a rapid transit station on Boston's MBTA Red Line serving the city of Quincy, Massachusetts.
-
B.
Winchester Center station
Winchester Center station is a commuter rail station in Winchester, Massachusetts, serving MBTA's Lowell Line north of Boston.
-
C.
Noyes station
Noyes station is an elevated Chicago Transit Authority 'L' station on the Purple Line serving the Evanston area north of Chicago.
-
D.
Emerson station
Emerson station is a commuter rail stop in Emerson, New Jersey, served by NJ Transit's Pascack Valley Line.
-
E.
Belmont station
Belmont station is a major Chicago Transit Authority 'L' station on the North Side that serves as a key transfer point between multiple rapid transit lines.
- 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_69ad85aac4808190a092c9cc8911f584 |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adb8e8ea848190b4ac167f1aba8ebd |
completed | March 8, 2026, 5:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b3bb7335ac81908b8e31dc7fb3d273 |
completed | March 13, 2026, 7:23 a.m. |
Created at: March 8, 2026, 3:14 p.m.