Triple
T17927766
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Fairmount Line |
E448241
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Readville |
E449240
|
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 | Statement: [MBTA Fairmount Line, terminus, Readville]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Readville Context triple: [MBTA Fairmount Line, terminus, Readville]
-
A.
Readville
chosen
Readville is a residential neighborhood in the southern part of Boston, Massachusetts, known for its commuter rail station and industrial history.
-
B.
Stoneham
Stoneham is an English-origin surname borne by various notable individuals, including figures in American sports and politics.
-
C.
Norwell
Norwell is a suburban town in Plymouth County, Massachusetts, known for its residential character, conservation land, and location along the North River.
-
D.
Dedham
Dedham is a historic village in Essex, England, famed for its picturesque countryside and association with the painter John Constable.
-
E.
Dedham
Dedham is a historic suburban town in eastern Massachusetts that serves as the county seat of Norfolk County and lies just southwest of Boston.
- 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_69d8b9f79d14819095540856928f0e25 |
completed | April 10, 2026, 8:51 a.m. |
| NER | Named-entity recognition | batch_69e4a5505af88190aa7a5cfee0baa3a4 |
completed | April 19, 2026, 9:50 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a05d32f1ee88190b0a215dc78024d62 |
completed | May 14, 2026, 1:50 p.m. |
Created at: April 10, 2026, 10:20 a.m.