Triple
T18341765
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Beverly station |
E439421
|
entity |
| Predicate | hasStationCode |
P1289
|
FINISHED |
| Object | MBTA Beverly |
—
|
NE NERFINISHED |
How this triple was built (3 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: MBTA Beverly | Statement: [Beverly station, hasStationCode, MBTA Beverly]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MBTA Beverly Context triple: [Beverly station, hasStationCode, MBTA Beverly]
-
A.
MBTA Melrose Cedar Park
MBTA Melrose Cedar Park is a commuter rail station in Melrose, Massachusetts, served by the Massachusetts Bay Transportation Authority’s Haverhill Line.
-
B.
MBTA Melrose Highlands
MBTA Melrose Highlands is a commuter rail station on the Massachusetts Bay Transportation Authority’s Haverhill Line serving the Melrose Highlands neighborhood of Melrose, Massachusetts.
-
C.
MBTA Waverley
MBTA Waverley is a commuter rail station in Belmont, Massachusetts, served by the Massachusetts Bay Transportation Authority’s Fitchburg Line.
-
D.
MBTA Lansdowne
MBTA Lansdowne is a commuter rail station in Boston, Massachusetts, serving the Framingham/Worcester Line near Fenway Park.
-
E.
MBTA Ashmont Branch
The MBTA Ashmont Branch is a rapid transit line of Boston’s Red Line that runs from JFK/UMass station through Dorchester to Ashmont, serving several southern neighborhoods of the city.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MBTA Beverly Target entity description: MBTA Beverly is the station code used by the Massachusetts Bay Transportation Authority for Beverly station on its commuter rail network.
-
A.
MBTA Melrose Cedar Park
MBTA Melrose Cedar Park is a commuter rail station in Melrose, Massachusetts, served by the Massachusetts Bay Transportation Authority’s Haverhill Line.
-
B.
MBTA Melrose Highlands
MBTA Melrose Highlands is a commuter rail station on the Massachusetts Bay Transportation Authority’s Haverhill Line serving the Melrose Highlands neighborhood of Melrose, Massachusetts.
-
C.
MBTA Waverley
MBTA Waverley is a commuter rail station in Belmont, Massachusetts, served by the Massachusetts Bay Transportation Authority’s Fitchburg Line.
-
D.
MBTA Lansdowne
MBTA Lansdowne is a commuter rail station in Boston, Massachusetts, serving the Framingham/Worcester Line near Fenway Park.
-
E.
MBTA Ashmont Branch
The MBTA Ashmont Branch is a rapid transit line of Boston’s Red Line that runs from JFK/UMass station through Dorchester to Ashmont, serving several southern neighborhoods of the city.
- F. None of above. chosen
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_69d8b9175fec8190af865699b4e64d8c |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e514f0b5a881908056d48bc48124b8 |
completed | April 19, 2026, 5:46 p.m. |
Created at: April 10, 2026, 10:37 a.m.