Triple
T14890171
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Silver Line at South Station |
E359734
|
entity |
| Predicate | servesLine |
P839
|
FINISHED |
| Object | Silver Line SL1 |
E621054
|
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: Silver Line SL1 | Statement: [MBTA Silver Line at South Station, servesLine, Silver Line SL1]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Silver Line SL1 Context triple: [MBTA Silver Line at South Station, servesLine, Silver Line SL1]
-
A.
Silver Line SL1
chosen
Silver Line SL1 is a Boston bus rapid transit route connecting Logan International Airport with South Station via the South Boston waterfront.
-
B.
Silver Line SL2
Silver Line SL2 is a Boston MBTA bus rapid transit route that connects South Station with the Seaport District and Boston Marine Industrial Park via the South Boston Transitway.
-
C.
Silver Line SL3
Silver Line SL3 is a Boston-area MBTA bus rapid transit route that operates as part of the Silver Line network, connecting key neighborhoods and transit hubs in and around the city.
-
D.
Silver Line SL4
Silver Line SL4 is a bus rapid transit route in Boston that operates as part of the MBTA Silver Line, connecting downtown with neighborhoods along Washington Street.
-
E.
Silver Line SL5
Silver Line SL5 is a bus rapid transit route in Boston that operates as part of the MBTA Silver Line, connecting downtown with neighborhoods along Washington Street.
- 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_69d827980cbc8190a0c569ae3940a1d9 |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69ded5f6cf5c8190b6b28f58fafe5d59 |
completed | April 15, 2026, 12:04 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe6b61407481908a618d14c56d2abf |
completed | May 8, 2026, 11:01 p.m. |
Created at: April 10, 2026, 2:09 a.m.