Triple
T9271027
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lowell Line |
E222827
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object | Green Line at North Station |
E154145
|
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: Green Line at North Station | Statement: [Lowell Line, connectsWith, Green Line at North Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Green Line at North Station Context triple: [Lowell Line, connectsWith, Green Line at North Station]
-
A.
Green Line at North Station
chosen
The Green Line at North Station is a major MBTA light rail stop in Boston that serves as a key transfer point between the Green Line trolleys and regional commuter rail services.
-
B.
Orange Line at North Station
Orange Line at North Station is a major Boston subway stop on the MBTA Orange Line that serves as a key transfer point between rapid transit and several commuter rail lines, including the Newburyport/Rockport Line.
-
C.
MBTA Orange Line at North Station
MBTA Orange Line at North Station is a major Boston rapid transit stop located at the North Station transportation hub, providing subway connections to commuter rail lines and nearby sports and entertainment venues.
-
D.
MBTA Silver Line at South Station
The MBTA Silver Line at South Station is a key Boston bus rapid transit hub providing underground and surface connections between South Station and destinations including the Seaport District and Logan Airport.
-
E.
MBTA Red Line at South Station
The MBTA Red Line at South Station is a major rapid transit stop in downtown Boston that serves as a key hub for subway, commuter rail, intercity rail, and bus connections.
- 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_69ca841ffe208190aa7bcffbef2f8379 |
completed | March 30, 2026, 2:09 p.m. |
| NER | Named-entity recognition | batch_69cd07865790819099b3865a25dae58a |
completed | April 1, 2026, 11:54 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d0b1f57db881908a42ad5b042d0872 |
completed | April 4, 2026, 6:38 a.m. |
Created at: March 30, 2026, 7:33 p.m.