Triple
T3404413
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Braintree Branch |
E71735
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | North Quincy station |
E38634
|
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: North Quincy station | Statement: [MBTA Braintree Branch, hasStation, North Quincy station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North Quincy station Context triple: [MBTA Braintree Branch, hasStation, North Quincy station]
-
A.
North Quincy station
chosen
North Quincy station is a rapid transit stop on Boston's MBTA Red Line serving the North Quincy neighborhood in Quincy, Massachusetts.
-
B.
Quincy Center station
Quincy Center station is a major MBTA Red Line rapid transit and commuter rail hub located in downtown Quincy, Massachusetts.
-
C.
Newtonville station
Newtonville station is a commuter rail stop on the MBTA Framingham/Worcester Line serving the Newtonville neighborhood of Newton, Massachusetts.
-
D.
Quincy Adams station
Quincy Adams station is a rapid transit station on Boston's MBTA Red Line serving the city of Quincy, Massachusetts.
-
E.
Malden Center station
Malden Center station is a major transit hub in Malden, Massachusetts, serving both MBTA Orange Line subway and commuter rail services.
- 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_69b37e5353ec819089d2736493936c46 |
completed | March 13, 2026, 3:02 a.m. |
Created at: March 8, 2026, 3:14 p.m.