Triple
T17967151
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Readville |
E449240
|
entity |
| Predicate | servedByRailLine |
P1293
|
FINISHED |
| Object | Providence/Stoughton Line (historically/operationally related) |
—
|
NE NERFINISHED |
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 (historically/operationally related) | Statement: [Readville, servedByRailLine, Providence/Stoughton Line (historically/operationally related)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Providence/Stoughton Line (historically/operationally related) Context triple: [Readville, servedByRailLine, Providence/Stoughton Line (historically/operationally related)]
-
A.
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.
-
B.
Fitchburg Line
The Fitchburg Line is a commuter rail service operated by the Massachusetts Bay Transportation Authority (MBTA) that runs between Boston and the city of Fitchburg in Massachusetts.
-
C.
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.
-
D.
Reading–Taunton line
The Reading–Taunton line is a major railway route in southern England that connects Reading in Berkshire with Taunton in Somerset, serving numerous towns across the Thames Valley and West Country.
-
E.
New Haven–Springfield Line
The New Haven–Springfield Line is a key passenger rail corridor in the northeastern United States connecting New Haven, Connecticut, with Springfield, Massachusetts, and serving both intercity and commuter rail services.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8b9f9927c8190a006110c8b996e61 |
completed | April 10, 2026, 8:51 a.m. |
| NER | Named-entity recognition | batch_69e4b13935908190b5269a84a3df2460 |
completed | April 19, 2026, 10:40 a.m. |
Created at: April 10, 2026, 10:22 a.m.