Triple
T23254343
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Suffolk Downs station |
E581823
|
entity |
| Predicate | hasAdjacentStation |
P231
|
FINISHED |
| Object | Beachmont station |
—
|
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: Beachmont station | Statement: [Suffolk Downs station, hasAdjacentStation, Beachmont station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Beachmont station Context triple: [Suffolk Downs station, hasAdjacentStation, Beachmont station]
-
A.
Beachmont station
chosen
Beachmont station is an MBTA rapid transit stop on the Blue Line located in Revere, Massachusetts, serving nearby residential neighborhoods and Revere Beach.
-
B.
Ravenswood station
Ravenswood station is a commuter rail stop in Chicago, Illinois, served by Metra’s Union Pacific North Line and connecting the Ravenswood neighborhood to downtown and northern suburbs.
-
C.
Canton Junction station
Canton Junction station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail station in Canton, Massachusetts, serving as a junction point for trains on the Providence/Stoughton Line.
-
D.
Old Town station
Old Town station is a commuter rail stop in Lewisville, Texas, serving Denton County’s A-train line.
-
E.
Montgomery St. station
Montgomery St. station is a major underground Bay Area Rapid Transit (BART) station located in San Francisco’s Financial District, serving as a key hub for commuters and connections to Muni Metro.
- 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_69e246079f58819085eaa9c260906880 |
completed | April 17, 2026, 2:39 p.m. |
| NER | Named-entity recognition | batch_69f193f9d904819097315c9bf031f667 |
completed | April 29, 2026, 5:15 a.m. |
Created at: April 17, 2026, 4:11 p.m.