Triple
T11347686
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA commuter rail terminals |
E268761
|
entity |
| Predicate | hasTerminal |
P182
|
FINISHED |
| Object | Readville station |
E324820
|
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: Readville station | Statement: [MBTA commuter rail terminals, hasTerminal, Readville station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Readville station Context triple: [MBTA commuter rail terminals, hasTerminal, Readville station]
-
A.
Readville station
chosen
Readville station is a Massachusetts Bay Transportation Authority commuter rail stop serving the Readville neighborhood in Boston’s Hyde Park area.
-
B.
Framingham station
Framingham station is a commuter rail station in Framingham, Massachusetts, serving MBTA and Amtrak trains on the Worcester Line west of Boston.
-
C.
Westborough station
Westborough station is a Massachusetts Bay Transportation Authority commuter rail stop in Westborough, Massachusetts, serving riders on the Framingham/Worcester Line between Worcester and Boston.
-
D.
Middleborough/Lakeville station
Middleborough/Lakeville station is a Massachusetts Bay Transportation Authority commuter rail stop in southeastern Massachusetts serving as a key terminus for riders traveling between the South Shore region and Boston.
-
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_69d6aacbe18081909e5fadb50082dd96 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7ea214bb88190bb66f7fd3ef73081 |
completed | April 9, 2026, 6:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e603bbb84c81908a29fcef32d3cf31 |
completed | April 20, 2026, 10:45 a.m. |
Created at: April 8, 2026, 9:33 p.m.