Triple
T16038925
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Massachusetts Avenue |
E389040
|
entity |
| Predicate | publicTransit |
P1288
|
FINISHED |
| Object | MBTA subway stations |
E937017
|
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: MBTA subway stations | Statement: [Massachusetts Avenue, publicTransit, MBTA subway stations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MBTA subway stations Context triple: [Massachusetts Avenue, publicTransit, MBTA subway stations]
-
A.
MBTA stations
chosen
MBTA stations are the public transit stops and hubs in the Greater Boston area that serve subway, bus, commuter rail, and ferry services operated by the Massachusetts Bay Transportation Authority.
-
B.
MBTA Commuter Rail stations
MBTA Commuter Rail stations are passenger rail stops in the Greater Boston area that provide regional train service connecting outlying communities with Boston and other destinations on the Massachusetts Bay Transportation Authority network.
-
C.
MBTA Orange Line stations
MBTA Orange Line stations are the rapid transit stops along Boston’s Orange Line, serving key neighborhoods and connecting riders to major residential, commercial, and educational areas in the Greater Boston region.
-
D.
MBTA Green Line stations
MBTA Green Line stations are the stops along Boston’s light rail Green Line, serving neighborhoods and suburbs with trolley-style rapid transit.
-
E.
MBTA commuter rail terminals
MBTA commuter rail terminals are major passenger rail hubs in the Boston area that serve as endpoints and transfer points for regional trains connecting the city with its surrounding suburbs and communities.
- 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_69d86dada3808190825d5f80d72fbe88 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e1833eb90c8190b10dca3ce0793ddf |
completed | April 17, 2026, 12:47 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffdbd5acb48190a10e40074fffd425 |
completed | May 10, 2026, 1:13 a.m. |
Created at: April 10, 2026, 4:56 a.m.