Triple
T13121347
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hyde Park station |
E311727
|
entity |
| Predicate | hasService |
P182
|
FINISHED |
| Object | Providence/Stoughton Line commuter rail service |
E172343
|
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: Providence/Stoughton Line commuter rail service | Statement: [Hyde Park station, hasService, Providence/Stoughton Line commuter rail service]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Providence/Stoughton Line commuter rail service Context triple: [Hyde Park station, hasService, Providence/Stoughton Line commuter rail service]
-
A.
MBTA Commuter Rail Providence/Stoughton Line
The MBTA Commuter Rail Providence/Stoughton Line is a regional rail service connecting Boston with Providence and Stoughton, providing key commuter and intercity transit through southeastern Massachusetts and northern Rhode Island.
-
B.
Providence/Stoughton Line
chosen
The Providence/Stoughton Line is a Massachusetts Bay Transportation Authority commuter rail route connecting Boston with Providence, Rhode Island and Stoughton, Massachusetts.
-
C.
MBTA Framingham/Worcester Line
The MBTA Framingham/Worcester Line is a Massachusetts Bay Transportation Authority commuter rail route running between Boston and Worcester, serving numerous communities in the western suburbs.
-
D.
MBTA Commuter Rail Kingston Line
The MBTA Commuter Rail Kingston Line is a Massachusetts Bay Transportation Authority rail line providing commuter service between Boston and the South Shore, terminating in Kingston, Massachusetts.
-
E.
MBTA Fitchburg Line
The MBTA Fitchburg Line is a commuter rail route in the Greater Boston area that runs between Boston and Fitchburg, serving numerous suburban communities along the way.
- 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_69d806a9fe888190b081e2d9ea665d6c |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d98196e69081909111407ee3d9f08e |
completed | April 10, 2026, 11:02 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6f5d205408190883b67739d5efaa7 |
completed | May 3, 2026, 7:14 a.m. |
Created at: April 9, 2026, 9:06 p.m.